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专题02阅读理解之说明文1.（2020届江西省重点中学盟校高三第一次联考）Scientistssaythey'vedevelopedasystemusingmachinelearningtopredictwhenandwherelightingwillstrike.Theresea

rchwasledbyengineersfromtheSwissFederalInstituteofTechnologyinLausanne,Switzerland.Europeanresearchershaveestimatedthatbetween6,000and24,000p

eoplearekilledbylightningworldwideeachyear.Thestrikescanalsocausepoweroutages,destroyproperty,damageelectricalequipmentandstartforestf

ires.Forthesereasons,climatescientistshavelongsoughttodevelopmethodstopredictandcontrollightning.IntheUnitedStatesandotherplaces,ground-baseds

ensingdevicesareusedtoidentifystrikesastheyhappen.But,nosystemhasbeencreatedtoeffectivelypredictlightning.

Thesystemtestedintheexperimentsusedacombinationofdatafromweatherstationsandmachinelearningmethods.Theresearchersdevelopedapredictionmodelthatwast

rainedtorecognizeweatherconditionsthatwerelikelytocauselightning.Themodelwascreatedwithdatacollectedovera12-yearperiodfrom12Swissweatherstationsincit

iesandmountainareas.Thedatarelatedtofourmainsurfaceconditions:airpressure,airtemperature,relativehumidityandwindspeed.Theatmosphericdatawasplace

dintoamachinelearningalgorithm（算法）,whichcomparedittorecordsoflightningstrikes.Researcherssaythealgorithmwasthenabletolearntheconditions

underwhichlightninghappens.AmirhosseinMostajabiisaPhDstudentattheinstitutewholedthedevelopmentofthemethod.Hesaid,―currentsystemsf

orgatheringsuchdataareslowandcomplexandrequirecostlycollectionequipmentlikeradarorsatellites.‖―Ourmethodusesdatathatcanbeobtainedfromanywe

atherstation,‖Mostajabisaid.―Thiswillimprovedatacollectioninveryremoteareasnotcoveredbyradarandsatelliteorin

placeswherecommunicationsystemshavebeencut,‖beadded.Theresearchersplantokeepdevelopingthetechnologyinpartn

ershipwithaEuropeaneffortthataimstocreatealightningprotectionsystem.TheeffortiscalledtheEuropeanLaserLigh

tningRodproject.8．Whyhaveclimatescientiststriedtopredictandcontrollighting?A．Tocollectrelativedata.B．Toreducethedestructionlightninghas

beencausing.C．Tocreateascientificsystem.D．Todoresearchinrelationtomachinelearning.9．Thefourmentionedsurfaceconditionsincludeallthefollowing

EXCEPT________.A．airpollutionB．windspeedC．relativehumidityD．airtemperature10．Whatdoestheunderlinedword―it‖inparag

raph5referto?A．lighting.B．thesystembeingtested.C．theatmosphericdata.D．themachinelearningalgorithm.11．WhatcanwelearnaboutMostajabifromthepassag

e?A．Hedevelopedthemethodandthesystemhimself.B．Hethinksthecurrentsystemsaretooslowandsimple.C．Heisaprofessoratthe

SwissFederalInstituteofTechnology.D．Hebelievestheirsystemdoesmuchbetterindatacollection.2.（2020届辽宁省大连市第二十四中学高三模拟）SHORTLISTOFLONDON'SBE

STIfyouhavelimitedvisitingtimewerecommendyoufollowthislist.1)HousesofParliament.TheguidedtoursoftheHousesofParliamentareexcellent,inanylanguageyou

want,andgetyoutoplacesthatevennormalBritscan't.However,whenParliamentissitting,theyarenotrunning,butyoucanstillgetin.2)HamptonCourt.Werat

ethisasoneofthebestattractionsinEurope.AwholesuccessionofkingsandqueenshaveaddedtoHenryVIII‘soriginalpalace

.Therelieafantasticpark(byCapabilityBrown)andgardens(includingthefamousmaze),andTudorkitchensandoneofthelastremaini

ngRealTenniscourts.Lotsoffree(onceyou'vepaidtheadmission)guidedtours,someincostume,bypeoplewhoknowandlovetheplace.It'

salsosurroundedbyaseriesofparksandmakesagreatdestinationforabiketrip-trainout(30minutesfromWaterloo),bikeback(12mi

les)alongtheriver.WepreferittotheTowerofLondon-you'llprobablywanttovisitboth,itknocksthespotsoffBuckinghamPalace.3)Th

eRiver.WalkalongtheSouthBankfromTowerBridgetoLambeth.ThebestofLondonisspreadoutforyou:TheTowerofLondon&TowerBrid

ge,TheHousesofParliament,LambethPalace(residenceoftheArchbishopofCanterbury),Shakespeare'sGlobetheatre,BothTate

Galleries,StPaul'sCathedral,TheSouthBankCentre,TheTemple,TheLondonEye,WestminsterAbbey,SomersetHouse.(A

2hourwalkifyoudon'tstopforlong).OryoucantakeaboatouttoGreenwich,theThamesBarrierortheDome.4)WestminsterAbbey.Wheretheycrow

nKings.Anunreasonableadmissioncharge(shouldreallybefreeorvoluntarydonation),butamasterpieceanyway.Ifyougetboredofwaitinginthequeue,orpacked

downbythecrowds,hurryyourselfofftotheCitywherethere'smoresquarespaceofhistoricchurch,andempty.5)TheTheatre.It'dbeacrimetovisitLondona

ndnottakeinashow.Londonershavebeenpassionateabouttheatreforcenturies.Notonlyisthequalityhigh,butthepriceislow—onethird

thepriceofBroadway.1．WhichtourwillaforeignstudentstudyingthehistoryofBritishRoyalFamilymostprobablyprefer？A．thetourtoWestminsterAbbeyB．thetourtoTow

erBridgeC．thetourtoSomersetHouseD．thetourtoHamptonCourt2．Whattimedoestheunderlinedstatement―whenParliamentissitting‖in

paragraph2referto?A．whentheParliamentisnotofficiallyinsession.B．whenthemembersofParliamentaredebatingoverahot

issue.C．whentheParliamentisstayingidleforrepairs.D．whenthemembersofParliamentaretakingabreakaftersomeexercise3．WhyareLondonersfondof

theatre?A．Theyenjoythecriminaldramaplots.B．Theyenjoytheinexpensiveadmission.C．TheyenjoytheClassicalMusicandOpera.D．T

heyenjoythesceneofShakespeare‘sGlobetheatre.3.（2020届辽宁省大连市第二十四中学高三模拟）Bynowyou‘veprobablyheardaboutthe―you‘

renotspecial‖speech,whenEnglishteacherDavidMcCulloughtoldgraduatingseniorsatWellesleyHighSchool:―Donotgettheideayou'reanythingspecial,becau

seyou'renot.‖Mothersandfatherspresentattheceremony-andawholelotofotherparentsacrosstheinternet-tookissuewithhisego-puncturingw

ords.Butlostintheangerandprotestwassomethingwereallyshouldbetakingtoheart:ouryoungpeopleactuallyhavenoideawhetherthey'reparticularl

ytalentedoraccomplishedornot.Inoureagernesstoelevatetheirself-esteem,weforgottoteachthemhowtorealisticall

yassesstheirownabilities,acrucialrequirementforgettingbetteratanythingfrommathtomusictosports.Infact,it'sno

tjustprivilegedhigh-schoolstudents:wealltendtoviewourselvesasaboveaverage.Suchinflated(膨胀的)self-judgmentshavebeenfoundinstudyafterstudy

,andit'softenexactlywhenwe'releastcompetentatagiventaskthatwerateourperformancemostgenerously.Ina2006studypu

blishedinthejournalMedicalEducation,forexample,medicalstudentswhoscoredthelowestonanessaytestwerethemostcharitablei

ntheirself-evaluations,whilehigh-scoringstudentsjudgedthemselvesmuchmorestrictly.Poorstudents,theauthorsnote,"l

ackinsight"intotheirowninadequacy.Whyshouldthisbe?Anotherstudy,ledbyCornellUniversitypsychologistDavidDunning,

offersanenlighteningexplanation.Peoplewhoareincompetent,hewriteswithco-authorJustinKruger,sufferfroma―dualburden‖:th

ey'renotgoodatwhattheydo,andtheirineptness(笨拙)preventsthemfromrecognizinghowbadtheyare.InDunningandKruger'sstudy,subjec

tsscoringatthebottomoftheheapontestsoflogic,grammarandhumor"extremelyoverestimated"theirtalents.Althoughtheirtestscoresputtheminthe12thpercentile,t

heyguessedtheywereinthe62nd.Whattheseindividualslacked(inadditiontoclearlogic,propergrammarandasenseofhumor)was"metacognitiveskill"(元认

知技巧):thecapacitytomonitorhowwellthey'reperforming.Intheabsenceofthatcapacity,thesubjectsarrivedatanoverlyhopefulviewofth

eirownabilities.There'saparadox(悖论)here,theauthorsnote:―Theskillsthatdevelopcompetenceinaparticulardomainareoftentheverysameskillsnecessarytoe

valuatecompetenceinthatdomain.‖Inotherwords,togetbetteratjudginghowwellwe‘redoingatanactivity,wehavetogetbetteratt

heactivityitself.Thereareacoupleofwaysoutofthisdoublebind(两难).First,wecanlearntomakehonestcomparisonswithothers.Trainyourselftorecog

nizeexcellence,evenwhenyouyourselfdon'tpossessit,andcomparewhatyoucandoagainstwhattrulyexcellentindividualsare

abletoaccomplish.Second,seekoutfeedbackthatisfrequent,accurateandspecific.Findacriticwhowilltellyounotonlyhowpoorlyyou're

doing,butjustwhatitisthatyou'redoingwrong.AsDunningandKrugernote,successindicatestousthateverythingwentright,butfailureismorea

mbiguous:anynumberofthingscouldhavegonewrong.Usethisexternalfeedbacktofigureoutexactlywhereandwhenyouscrewedup.Ifweadoptthesestrategies-andm

ostimportantly,teachthemtoourchildren-theywon'tneedparents,oracommencement(毕业典礼)speaker,totellthemthatthey'respecial.They'l

lalreadyknowthattheyare,orhaveaplantogetthatway.8．Whatdoestheunderlinedphrase―tookissuewith‖inparagraph1mostprobablymean?A．totallyappro

vedofB．disagreedwithC．fullyunderstoodD．helddiscussionabout9．Whatistheproblemthatshouldn'tbeoverlookedintheauthor‘sopinion?A．

wedon‘tknowwhetherouryoungpeoplearetalentedornotB．youngpeoplecan'treasonablydefinethemselvesC．norequirementissetupforyou

ngpeopletogetbetterD．wealwaystendtoconsiderourselvestobeprivileged10．WhichisNOTmentionedaboutpoorstudentsaccordingtothepassage?A．Theylackthecapac

itytomonitorhowwelltheyareperforming.B．Theyusuallygivethemselveshighscoresinself-evaluations.C．Theyten

dtobeunabletoknowexactlyhowbadtheyare.D．Theyareintelligentlyinadequateintestsandexams.11．Whatdoesthe

strategiesofbecomingspecialsuggest?A．thebestwaytorecognizeexcellenceistostudypastsuccessandfailureB．throughcomparisonwithothers,

onewillknowwhereandwhenhefailsC．weneedinternalhonestywithourselvesandexternalhonestyfromothersD．neitherparentsnoraco

mmencementspeakercantellwhetheroneisspecial4.（2020届辽宁省锦州市高三一模）Jellyfishareunusualcreatures.They‘reneitherfishnorjelly.Someareamongthemostcolour

fulcreaturesintheworld,butit‘sbesttolookbutnottouchtheseinvertebrates（无脊椎动物）.Notonlyaretheyveryfragilecreat

ures,butmanygiveapainfulsting,andsomeareevendeadly.Whetheryouadmiretheminanaquariumortrytoavoidtheminthewild,youwon‘tbe

abletogetthesefascinatingjellyfishfactsoutofyourhead.Here‘sajellyfishfactthatmightcomeinhandy:Thereareseveralnamesforagroupofjellyfish.The

yincludesmack,bloom,andswarm.Choosethewordyoupreferdependingonwhetheryouthinkthejellyfishpacklookslikeagardenofbloom

ingflowersormorelikeafrighteningpackofstingers,andwhetheryou‘readmiringthematanaquariumorifyouandyourfellowsnorke

lersaresurrounded.Jellyfishhavetwomainformsintheirlifecyclethatlookquitedifferentfromeachother.ScientificAmericanexplainsthatanadultjellyf

ish,calledamedusa,hasabell-shapedbodywithtentacles（触须）flowingdownbelowit.Youngjellyfish,calledpolyps,lookmorelikes

eaanemones,withshortertentaclesthatflowupabovethemainbody.Medusasreproducebyreleasingeggs.MelanieRoberts,SeniorAq

uaristatSeaWorldOrlando,saysthatthelargestjellyfishintheworldisalion‘smanejellyfish.Thebodyofthisbeautifulorangejellycangrowuptothreefe

etindiameter.Withits12,000tentaclesthatcangrow120feetlong,Oceana.orgaddsthatthelion‘smanejellycomparesins

izetotheplanet‘slargestanimal:thebluewhale.Regardlessoftheirsize,jellyfisharemostlymadeofwater.Infact,they‘reabout95percentwater.Thesecreatures

don‘thavebrains,blood,orbones.Andmostjellyfishdon‘thaveeyes.Jellyfishalsousetheirmouthsbothforeatingandforwasteremoval.8．Whycan‘twetouchjell

yfish?A．Becausetheymaybestung.B．Becausetheymaydieeasily.C．Becausetheymayfeelpainful.D．Becausetheymayhurtpeople.9．Whatarejellyfishnamedaft

er?A．Itssize.B．Itscolor.C．Itsappearance.D．Itslifestyle.10．Whatcanwelearnfromthepassage?A．Mouthisanimportantorganforjellyfish.B．Polypscanclonethemselv

esbylayingeggs.C．Thelargestjellyfishintheworldis120feetlong.D．Medusashavetentaclesflowingupabovethebody.11．Whatcanbet

hebesttitleofthepassage?A．Severalfactsaboutjellyfish.B．Thetwomainformsofjellyfish.C．Jellyfishareneitherfis

hnorjelly.D．Jellyfishhavemanydifferentnames.5.（2020届辽宁省锦州市高三一模）Fancyyourownsatellite?ArizonaStateUniversityisworkingto

wardsmakingthisarealitywithitsSunCubeFemtoSatproject.SmallerthanastandardCubeSat,thelow-caststudent-desi

gnedspacecraftisaimedatprovidinggreateraccesstospaceforscientistsandhobbyistsalike.AssistantprofessorJekanThangaandatea

mofstudentshavebeendevelopingtheSunCubeFemtoSatforthepasttwoyears.Thesmall3×3×3cmcubeweighsinatjust35gandalonger(3×3×9cm,1

00g)modelhasalsobeendesigned,whichincludesstoragespace.EachSunCubeFemtoSathasitsowncommunication,data

collectionandpropulsion(推进)systemsandispoweredbysolarpanels.Itismadeofoff-the-shelfpartsthatareavailableinshops,andtheenergy-efficien

tsolarpanelsarecutfromscrap(碎片),whichmakesitsaveenergy,soldatadiscountbymanufacturers.―Withaspacecraftofthissize,anyuniversitycando

it,‖saysThanga.―That‘spartofourmajorgoal—spacediscoveryforeverybody.‖Theteamsaysthatwhilelaunchingyourownsatellitewouldusual

lycostbetweenUS$60,000-70,000perkilo,itwouldonlycost$1,000tosendaSunCubeFemtoSattotheInternationalSpaceStation,a

nd$3,000tosenditintolowearthorbit.Leavingtheearth‘sgravitywouldcostanestimated$27,000.TheFemtoSatwouldbepa

ckedwitha―jackinthebox‖stylesystemthatmatchesstandardCubeSatsizes(around10cubiccm),simplifyingtheprocessofgettingthetinysatelliteintoorbit.NASAhass

ent30CubeSatsintospaceoverthelastyears,withanother50awaitinglaunch.ThangaandhisstaffviewtheFemtoSatasastartingpointfor

scientistsandstudents,andevenhopethedevicecouldbeboughtonthewebsitelikeAmazononeday.Thangaimaginesdevelopingfourmainapplicationsforthedevice,includin

ghands-ontestingexperiencesforstudents,andartificialgravityexperiments.Inaddition,groupsofSunCubeFemtoSats

couldeventuallybeabletodothejoboflargerspacecraftatavastlydiscountedcost.12．WhatisthemajorgoaloftheSunCubeFemtoSatproject?A．Toactonteachinginouterspa

ce.B．Toprovideaccesstospacecraftdesign.C．Tohelpcarryoutaclassroomexperiment.D．Tohelpaverageindividualsexplores

pace.13．WhatisspecialaboutSunCubeFemtoSats?A．Theyareofthesamesize.B．Theyareenergy-efficient.C．Theyaremainlydesignedforlabuse.D．The

yaremainlyusedtocollectinformation.14．WhatdoesThangaexpectofSunCubeFemtoSats?A．They‘llbeavailableonline.B．They‘llbeprovidedf

orfree.C．They‘llmatchthesizeofCubeSats.D．They‘llbesentintospacewithCubeSats.15．Whatcanbethebesttitle

forthetext?A．FemtoSatsWillRuleSpaceB．YourOwnSatelliteIsComingC．GoingintoSpaceHasBeenAfforableD．YoucanDesig

nYourOwnSpacecraft6.（2020届辽宁省辽阳市高三一模）MostofEarth‘sfreshwatersitsunderground.Worldwide,about70percentofthegroundwaterdrawnto

thesurfacegoesforfarming.Butsurfacewaters—riversandstreams—comefromgroundwater,too.Drawingtoomuchgroundwateroverashorttimecanbehar

mful.Naturalwaterwayscanbegintoempty.Andthatcanhurtfreshwaterecosystems.Scientistsconsiderthisatippingpointwh

ensmallactionscanbeginmakingunusuallybigdifferences.Anewstudyhasfoundthat15to21percentoftappedwater(自来水)areashavereachedthissortof

tippingpoint.Mostofthosetappedriversandstreamsareindryareas.Farmersintheseareasusegroundwatertowatertheircrops

.Atpresentdrawingrates,thestudypredictsthat42to79percentofwaterareasaroundtheworldwheregroundwaterisdrawnupforuseatthesurfacewillreac

htippingpointsby2050.Ahealthygroundwateraquifer(含水层)protectsecosystemsagainstseasonalupsanddownsintheuseofwater.Thatprov

idesstabilityforareaplantsandanimals.Butiftoomuchgroundwaterisdrawnupfrombelow,surfacewaterswillbegintoflowintotheaquifer,whichcanharmwhatarelivi

nginriversandstreams.DeGraafandthestudyteamsetupacomputermodel.Itlinkedgroundwaterdrawingandwaterflowswithinrivers.Themodelcoveredfiftyyears,

from1960to2010.Thentheresearchersusedclimateforecaststohelpthemodelpredictwhatmighthappeninfutureyears.Throughout,theykept

groundwaterdrawingratessustainable.Morethanhalfofdrawnwaterareasarelikelytocrossthisecologicaltippingpointbefore2050,themodelfinds.―Weneedtobet

hinkingaboutthisnow,notin10years,‖DeGraafsays.―Ourstudyshowsuswheretotargetmoresustainableefforts.‖8．Whatdoesthe

―tippingpoint‖inparagraph1mean?A．Endpoint.B．Breakingpoint.C．Freezingpoint.D．Boilingpoint.9．Whatisthewriter‘spurp

oseofwritingthetext?A．Warnusthatthesurfacewatercanpollutethegroundwater.B．Warnusofwateringthecropbygroundwater

.C．Tellustherelationofgroundwaterandsurfacewater.D．Warnusthattheoveruseofgroundwatercandestroytheecosystem.10．Whatisthepartthegroundwaterplaysi

ntheenvironment?A．Keepingthestabilityofnaturalwater.B．Protectingecosystemsfrompollution.C．Clearingsurfacewaterstobedrinkable.D．Providingstab

ilityforthelocaleconomy.11．Howdidtheresearchersconductthestudy?A．Theypredictedtheresultbasedontheolddata.B．Theyhappene

dtoworkouttheresult.C．Theymeasuredallthegroundwaterandsurfacewater.D．Theydidquestionnairesurveysonthewaterinformation.7.（2020届辽宁

省辽阳市高三一模）Extrafingersarenotthatrare.Aboutoneortwoinevery1,000babiesarebornwithextrafingers.Iftheextrasarejustsmallnubs

(肿块),theymaybesurgicallyremovedatbirth.Butsomeextrafingerscanprovehelpful,anewstudyshows.Anextrafinger

canbeincrediblyhandy.Peoplebornwithsixfingersperhandcantietheirshoes,flexiblymanagephonesandplayacomplicatedvid

eogame—allwithasinglehand.What‘smore,theirbrainshadnotroublecontrollingthemorecomplexmovementsoftheirextrafinger

s,thenewstudyfinds.Itsresultsalsohighlighthowflexiblethehumanbraincanbe.Thatinformationcanguidepeoplewhodesignbraincontro

lledrobots.Researchersworkedwitha52-year-oldwomanandher17-year-oldson,bothofwhomwerebornwithsixfingersoneachhand.Theirextrafingersgrewbe

tweenthethumbandindexfinger.Andtheyresemblethumbsinhowtheycanmove.Theresearchersstudiedthesubjects‘handswithMRI(核磁共振成像),whichcanm

apbodystructures.Theyalsolookedatactivityinthepartsofthebrainthatcontrolthehands.Thosescansshowedadedicatedbrainsystemthatcontrols

theextrafingers.Thesixthfingershadtheirownmusclesandtendons(肌腱).Thatmeanstheydon‘tjustdependonthemusclesthatmovetheoth

erfingers,assomedoctorshadthought.Thebrainhadnotroubledirectingtheextrafingers,theresearchersshowed.Its

uggestssomeone‘smindwouldbeabletocontrolroboticfingersorlimbs.However,itmightbeharderforapersonnotbornwith

extrafingers.Livinginaworlddesignedforpeoplewithfivefingershasledthemomandsontoadaptininterestingways.Forinstance,eating

toolsaretoosimpleforthem,sotheyconstantlychangethepostureontheeatingtoolsandusetheminadifferentway.Still,noteveryonewithextrafingersmayshowimp

rovedflexibility.Insomecases,extrafingersmaybelesswelldeveloped.12．Whatdoesthenewresearchfindaboutextrafingers?

A．Theyarealwaysuseless.B．Theyareveryuncommon.C．Theyareusuallynecessary.D．Theyaresometimesbeneficial.13．Whatcanweinferaboutextrafingersfromthe

text?A．Extrafingers‘musclesandtendonsarestronger.B．Extrafingersaremoreflexiblethannormalones.C．Theextranubsremovedatbirtharea

ctuallyhelpful.D．Brain-controlledRobotscanbedesignedtohaveextrafingers.14．Whatcanweknowfromthelastparagraph?A．Th

emomandsonliveaninterestinglife.B．Somepeopleenjoythelifewithextrafingers.C．Eatingtoolsarequitesimpleforpeoplewithextrafingers.D

．Somepeoplewithextrafingersarenotmoreflexiblethanordinarypeople.15．Whatcanbethebesttitleforthetext?A．SixthFingerCanIm

proveAbilityB．SixthFingerCanProveExtraHandyC．SixthFingerShouldBeTreatedProperlyD．SixthFingerShouldDe

velopinManyWays8.（2020届宁夏石嘴山市高三二模）Boomerangchildrenwhoreturntolivewiththeirparentsafteruniversitycanbegoodforfamilie

s,leadingtocloser,moresupportiverelationshipsandincreasedcontactbetweenthegenerations,astudyhasfound.Thefindingscontradictresearchpub

lishedearlierthisyearshowingthatreturningadultchildrentriggerasignificantdeclineintheirparents‘qualityoflifeandwellbeing.The

youngadultstakingpartinthestudywere―morepositivethanmighthavebeenexpected‖aboutmovingbackhome–theshameisreducedassoman

yoftheirpeersareinthesameposition,andtheyacknowledgedthebenefitsoftheirparents‘financialandemotionalsupport.Daughterswerehappierthansons,oftenslip

pingbackeasilyintoteenagepatternsofbehaviour,thestudyfound.Parentsonthewholeweremoreuncertain,expressingconcernaboutthelikelydura

tionofthearrangementandhowtomanageit.Buttheyacknowledgedthatthingsweredifferentforgraduatestoday,wholeaveuniversitywith

hugedebtsandfewerjobopportunities.Thefamiliesfeaturedinthestudyweremiddle-classandtendedtoviewtheachievem

entofadultindependencefortheirchildrenasa―familyproject‖.Parentsacceptedthattheirchildrenrequiredsupportasuniversitystud

entsandthenasgraduatesreturninghome,astheytriedtofindjobspayingenoughtoenablethemtomoveoutandgetonthehousingladder.―

However,‖thestudysays,―day-to-daytensionsabouttheprospectsofachievingdifferentdimensionsofindependence,whichinafewextremecase

scameclosetoconflict,characterisedtheexperienceofamajorityofparentsandalittleoverhalfthegraduates‖.Areasofdisagreementincludedchores,moneyandsociall

ife.Whileparentswerekeentohelp,theyalsowanteddifferentrelationshipsfromthosetheyhadwiththeirownparents,andcontinu

ingtosupporttheiradultchildrenallowedthemtoremainclose.28．Whatisthefindingofthepreviousresearch?A．Boomerangchildrenmadetheirparentshappier

.B．Theparentswerelookingforwardtotheirchildren‘sreturn.C．Theparents‘qualityoflifebecameworsethanbefore.D．Boom

erangchildrenneverdidanyhousework.29．Theunderlinedword―trigger‖inParagraph2maybebestreplacedby_____.A．causeB．defeatC．ariseD．allow30．Whatist

heattitudeofthecollegegraduatestowardsreturninghome?A．Theyareashamedofturningtotheirparentsforhelp.B．Theyaregladthatthe

ycouldcomeback.C．Theyaredoubtfulaboutwhethertheyshouldreturn.D．Theyareproudtobeindependentfromthefamily.31．Whatc

anbeinferredasthereasonforthe―boomerangchildren‖phenomenon?A．Thechildrenwanttokeepinclosertouchwiththeirparents

.B．Theparentsarewillingtoprovidesupporttotheirchildren.C．Itisharderforthechildrentosecureasatisfyingjob.D．Thereismo

rehouseworkneededtobedonebythechildren.9.（2020届宁夏石嘴山市高三二模）Beforeyouthrowyourtrashintothenearestcan,thinkforamoment.Notallyourgarbage

canbedumpedintoonetrashcan.Itneedstobesortedoutwithdifferentthingsgoingintodifferentbins.Wasteclassification,apracticetha

thaslongbeennormalindevelopedcountrieslikeJapan,isthenewchallengeformanyChineseurbanresidents.However,thoughinitial

lyyoumightneedtorackyourbrainstofigureoutwhichtrashgoesintowhichcan,inthelongrun,theresultiswellworththeeffort.Landfills,siteswherewasteisburiedand

coveredoverwithsoil,areamajormethodofdisposingofresidentialwasteinChina.However,consideringtheenvironmentaldi

sasterassociatedwithburyingwaste,thereisapressingneedtoreducetheamountofwastethatgoesintoalandfill.Classification,sortingwasteintodifferent

categoriessuchasharmfulwaste,recyclablesandkitchenwaste,isakeysolution.Currently,46citiesacrossChina,a

recarryingoutaprogramthataimstoputinplaceaclassification-basedgarbagedisposalsystembytheendof2020.Itishopedthatthi

swillreducethequantityofwastethatendsupinlandfillsbyalargedegree.ShanghaicameintothemediafocusinearlyJulyafte

ritcarriedoutcompulsorygarbagesortingrulesthatthosewhofailtodisposeofgarbageproperlyshouldbefined.Beijingisreviewin

gitsregulationstofollowinShanghai'sfootsteps.Thenewrulesmaycauseshort-terminconveniencebuttheyaremeanttohelpresidentsfollowtheconceptofg

arbageclassificationforthecommongood.Astheprogramsshow,residentscangraduallydevelopthishabitwiththeirgrowingaware

nessandthehelpofadvancedtechnology.Infuture,thispracticeshouldbeadoptedacrossChina,inurbancitiesandruralareasalike.Wit

hpublicinvolvement,China'sgarbagesortingprogramwillcontributenotonlytothenation'ssustainable(可持续的)developmentbutalsotomakingtheplan

etabetterplacetolivein.32．Whatisthemostprobablereasonforclassifyingwaste?A．Nositeforburyingwaste.B．People'shabit.C．Econ

omiccost.D．Environmentalpollution.33．Whatisthepurposeoftheprogram?A．Topractisewasteclassification.B．Toprotectenv

ironment.C．Tosaveoilforfarming.D．Toreducethequantityofwaste.34．Whatcanbeasuitabletitleforthetext?A．AprogramadoptedacrossChina.B．Sha

nghaicarriedoutnewdisposalrules.C．Doingthebestwithwaste.D．Protectingenvironmentisnecessary.35．WhatislikelytohappeninChina

accordingtothetext?A．Chinawillbecometheleadingcountryoftheprogram.B．Theprogramwillbespreadnationwide.C．Dev

elopmentinruralareaswillmakegreatprogress.D．Peoplewillhelpdevelopmoderntechnology.10.（2020届宁夏银川一中高三第二次模拟）Vacati

onsforPeopleWhoLoveWinterActivitiesWhenthetemperaturesdrop,don'trunawayfromthecold,embraceitwithoneoftheseperfectwinterwonderlandvacations.See

anice-skatingshowatMadeleineHotelTelluride,Coloradoisfamousforskiing-theyhaveeverythingfromAlpinetoNordictoback

country.ButrightoutsidethisgorgeousMadeleineHotelisamassiveice-skatingrinkwithrentals(hockeyskatesandfigureskates)aswellaslessons,shows

andevenspecialDJnights.SipwintersweetnessattheIceWineFestivalThischillyJanuaryfestivalatNiagaraontheLakecanreachtempsof40degreesbelowze

robut,aslongasyoucanfeelyourfingersandtoes,youcansipicewine-madefromfrozenlocalgrapes-fromtheicebarinthetownsquare.Whenyou'rereadytowa

rmup,signupforavineyardtourandgofromwinerytowinerysippingandtastingsmallfoodpairings.BowloniceattheAmericanClubInthecourtyardoftheTud

or-styleAmericanClubinKohler,Wisconsin,youcantryyourhandatbowlingonoutdoorlanesmadeofice.There'salsoBavarianCurling,andpatiohe

aterstokeepyoucomfortablewhileyouchallengeyourfriends.ThecourtsstayopenthroughMarchandrequire48-hournoticeforreservations.Hitthe

hillsatLakePlacidLodgeTheAdirondacksinNewYorkareawinterwonderland,oncethehomeofthewinterOlympics,andhaseverythingfrombobsledding

totobogganing,dogsledding,skijumpingandice-skating.Attheendoftheday,checkoutoneofLakePlacidLodge'sfamoussnowbonfires,bestadmiredwithhotcocoa.

Ifmoreinformationisneeded,youcanclickhere.21．Ifyouareinterestedinskating,wherewillyouprobablygo?A．TellurideandAdirondacks.B．Tellu

rideandtheLake.C．AdirondacksandKohler.D．KohlerandtheLake.22．WhatcanyoudoattheIceWineFestival?A．Touchyourfingersandtoes.B

．Skateattheicebar.C．Tastesomewineandfood.D．Bowlonoutdooricelanes.23．Fromwhichisthetextprobablytaken?A．Alifemagazine.B．Awebsite.C．Ag

eographytextbook.D．Anadvertisementcolumn.11.（2020届宁夏银川一中高三第二次模拟）AteamofengineersatHarvardUniversityhasbeeninspiredbyNaturetocrea

tethefirstroboticfly.Themechanicalflyhasbecomeaplatformforaseriesofnewhigh-techintegratedsystems.Designedtodowhatafl

ydoesnaturally,thetinymachineisthesizeofafathousefly.Itsminiwingsallowittostayintheairandperformcontrolledflighttask

s.―It‘sextremelyimportantforustothinkaboutthisasawholesystemandnotjustthesumofabunchofindividualcomponents,‖saidRobertWood,theHarvarde

ngineeringprofessorwhohasbeenworkingontheroboticflyprojectforoveradecade.Afewyearsago,histeamgotthego-aheadtostart

piecingtogetherthecomponents.―Theaddeddifficultywithaprojectlikethisisthatactuallynoneofthosecomponentsareoffthes

helfandsowehavetodevelopthemallonourown,‖hesaid.Theyengineeredaseriesofsystemstostartanddrivetheroboticfly.―Theseeming

lysimplesystemwhichjustmovesthewingshasanumberofinterdependenciesontheindividualcomponents,eachofwhichindividuallyhastop

erformwell,butthenhastobematchedwelltoeverythingit‘sconnectedto,‖saidWood.Theflightdevicewasbuiltintoasetofpower,computat

ion,sensingandcontrolsystems.Woodsaysthesuccessoftheprojectprovesthattheflyingrobotwiththesetinycomponentscanbebuiltandman

ufactured.Whilethisfirstroboticflyerislinkedtoasmall,off-boardpowersource,thegoaliseventuallytoequipitwithabuilt-i

npowersource,sothatitmightsomedayperformdata-gatheringworkatrescuesites,infarmers‘fieldsoronthebattlefield.―Basically,itsho

uldbeabletotakeoff,landandflyaround,‖hesaid.Woodsaysthedesignoffersanewwaytostudyflightmechanicsandcontrolatinsect-scale.Yet,t

hepower,sensingandcomputationtechnologiesonboardcouldhavemuchbroaderapplications.―Youcanstartthinkingaboutusingthemtoa

nsweropenscientificquestions,youknow,tostudybiologyinwaysthatwouldbedifficultwiththeanimals,butusing

theserobotsinstead,‖hesaid.―Sotherearealotoftechnologiesandopeninterestingscientificquestionsthatarereallywhatdrivesusonadaytodaybasis.‖32．Whichofthe

followingstatementswasthedifficultyengineersmetwhilemakingtheroboticfly?A．Theydidnothavesufficientfund.B．Noready-madecomponentswer

eavailable.C．Therewasnomodelintheirmind.D．Itwashardforthemtoassemblethecomponents.33．Whatcanbeinferredfromparagraphs3and4?A．Thero

boticflyhasbeenputintowideapplication.B．Theroboticflyconsistsofaflightdeviceandacontrolsystem.C．Informationfrommanysourcescanbeco

llectedbytheroboticfly.D．Theroboticflycanjustflyinlimitedareasatpresent.34．Whichofthefollowingcanbelearnedfromthepassage?A．Wood‘sdesigncanreplaceani

malsinsomeexperiments.B．Animalsarenotallowedinbiologicalexperiments.C．Theroboticflyerisdesignedtolearn

aboutinsects.D．Thereusedtobefewwaystostudyhowinsectsfly.35．Whichofthefollowingmightbethebesttitleofthepassa

ge?A．TheDevelopmentofRoboticFlyB．RoboticFlyPromotesEngineeringScienceC．Harvard‘sEffortsinMakingRoboticFlyD．RoboticFlyImitatesRealLifeInsect12.（

2020届山西省吕梁市高三一模）Aslevelsofcarbondioxide-CO2-intheatmospherehavebeenrisinginrecentdecades,Earthhasbeenwarming.That‘sbeca

useasagreenhousegas,CO2trapsheatinEarth‘satmosphere.Thatwarmingisonesymptomofclimatechange.Andithasthepotential

toaffectfoodinmanyways.DatanowshowthatrisinglevelsofCO2alsocanaffecthownutritiousacropwillbe.SomeofthosedatawerereportedlastyearinAnnualReview

ofPublicHealth.Indeed,itnotedthatseveralstudieshavecometothisconclusion.SamuelMyersisanenvironmentalhealt

hscientistatHarvardUniversityinCambridge,Mass.Hewaspartofateamthathasstudiedthepotentialeffectsofclimatechangeonnutrition.Inone2014study,hisgr

ouplookedatsixmajorfoodcrops:wheat,rice,fieldpeas,soybeans,maize(corn)andsorghum.Theyexposedplantstodi

fferentamountsofCO2.Somegotlevelsofbetween363and386partspermillion(ppm),whichweretypicalatthattime.(CO2levelshavesincerisen.)Otherplantswereex

posedtomoreofthatgreenhousegasastheygrew—546to586ppm.Suchlevelsareexpectedtodevelopwithinthenext50yearsorso.Afterha

rvestingtheplants,theresearchersmeasuredtheirlevelsofvitamins,mineralsandothernutrients.AndplantsgrownwithmoreCO2werelessnutritious.Mostpeop

ledependoncerealcrops,suchaswheatandrice,tomeettheirdietaryneedsforbothzincandiron.Ifcroplevelsofsuchnutrientsfall,peoplemayfaceanevengreaterris

koffallingill.Scientistsdon‘tyetknowwhyCO2impactslevelsofthesenutrients.Butthenewfindingssuggestscientistsmaywanttotrybreedingnewvarietiesofcropstha

tarelessaffectedbyCO2.Thatwaypeoplewillstillgetthemostbenefitsfromtheirgreensandgrains.8．Whatcanbethebesttitleofthepassage?A．Theri

singCO2levels.B．Climatechangeaffectingnutritionofcrops.C．Effectsofagreenhousegasontheenvironment.D．Newvarietiesofcrops.9．Howdidresearcherscometot

heconclusion?A．Byexperimentingandmeasuring.B．Byreferringtobooks.C．Byimagination.D．Byturningtofarmersforhelp.10．WhichofthefollowingisNOTtrueacc

ordingtothetext?A．Scientistsdon‘tyetknowwhyCO2impactslevelsofthesenutrients.B．CO2levelsareexpectedtoriseto5

46to586ppmwithinthenext50yearsorso.C．TheEarthhasbeenwarmingbecauseCO2trapsheatintheatmosphere.D．Glob

alwarmingaffectsfoodonlyinoneway.11．What‘stheauthor‘sattitudetowardscropsinthefuture?A．Indifferent.B．Doubtful.C．Negative.D．

Positive.13.（2020届山西省吕梁市高三一模）We‘veallbeentoldtodresswarmlyorwe‘llcatchcold.Butsciencesaysthecommoncoldiscausedbythevirus,nott

heweather.Actually,accordingtoresearchersatYaleUniversity,therejustmightbesomethingtothisoldwives‘tale.Fordecades,

researchershaveknownthatthevirusreplicates(复制)morereadilyincoolerenvironments,suchasthenose,ratherthanatthewarmercoreb

odytemperature.Thereasonforthis,explainsEllenFoxman,anassistantprofessoratYaleUniversitySchoolofMedicine,longremainedamystery.Scient

istsdidn‘tknowwhetherthevirusitselfworkedbetteratcoldertemperatures,ortheimmunesystemworkedworse.―Noonecouldfindanything,

‖shesays.ThenFoxmanandhercolleaguesstudiedwhat‘scalledthebornimmunesystem,whichispresentineverycell,andhowitrespondstovarioustemperatureswhent

hevirusispresent.Inthelab,theyexaminedairwaycellsfrommiceandfoundthattheimmunesystemproducedfewerchemicalsubstancescalledinterferonsatlowertemp

eratures,allowingthecoldvirustoflourish.Inastudypublishedthisyear,theyfoundsupportingresultsinhumancells:At

thewarmercorebodytemperature,bornimmunesystemsthatblockviralgrowtharemoreactive,andcanstopandkillviruses.Nowtheteamistryingtobetterunderstandthedefen

sesthebodyusestopreventthevirus.Whilewearingascarfaroundyournosetowarmitupmighthelppreventacold,Foxmanrecommendswashingyour

handssoyoudon‘tpassthevirustoyoureyes,nose,ormouthinthefirstplace.―Ifthevirusisn‘tinyournose,itcan‘tcauseinfection,‖shesays.12．Whatdoestheunderlined

sentenceinthefirstparagraphmean?A．Listentotheelders.B．Thetalemakessense.C．Thetaleisinteresting.D．Theresearchisuseless.

13．WhatdidtheFoxmanteamfind?A．Thevirusincreasedinwarmerenvironments.B．Themicewasmoreactiveinwarmerconditions.C．Theimmunesystemproducedm

oreantivirusinwarmair.D．Achemicalintheimmunesystemcanstopandkillvirus.14．WhatdoestheFoxmanteamsuggesttopreventthecold?A．Wearingas

carf.B．Dressingwarmly.C．Washingthehands.D．Staywarminwinter.15．Whatisthetextmainlyabout?A．Coldweathercausescold.B．Tipsonprotectingimmunesy

stem.C．Coldimpactthebody‘simmunesystem.D．Manyvirusescancausethecommoncold.14.（2020届山西省吕梁市高三一模）NewYear‘siswhenmanypeople

feelmotivatedtomakeasavingsorfinancialplan.Forthosewhowanttoincreasethechanceofsuccess,16．SetgoalsinJanuary(oronyourbirthday).Academ

icresearchshowsbothNewYear‘sDayandbirthdaysaregoodtimestostartchange.Becausebothmarkanewstart,theyhelpus―wipetheslateclean,‖saidK

atherineMilkman.―Weexplainthatitwas‗theoldme‘whofailed,butthisyearwillbedifferent‖.17．Setspecific,realisticgoals.Peopleoftense

tthemselvesupforfailurebychoosinggoalsthataretoovagueorextreme—forexample,to―savemore‖.Ifagoalrequiresyoutoremovethingsyouenjo

y,youmayfeeldepressedandlosetheabilitytosticktoit.18．Forexample,―Iwillincreasemysavingsratefrom5%to15%inthenextfivey

ears.‖19．Thenextstepistobreakyourgoaldownintosmallerstepsandsolveoneatatime.―Nobodytriestorunamarathononthefirstday,‖saidMr.Egan.―Youneedaplantogett

here.‖Usethebehavioralstrategiesthatworkforyou.Individualsneedtoautomatetheirsavings.20．―Therewillbese

tbacks.Theyarepartofthejourney,‖saidMr.Egan.―Giveyourselfcreditforsuccessevenifthereissomedifficulty.‖A．Runamarathon.B．Makeadetailedplan.C．Thisboosts

self-confidence,akeytosuccess.D．thefollowingaresomestrategiestoconsider.E.Theyalsoneedtolearntobepatientwiththemselves.F.T

hisinvolvessavingseparatelyfordifferentgoals.G.Thekeyistomakeyourgoalsasspecificandrealisticaspossible.

15.（2020届陕西省咸阳市高考一模）Porridgedoesn'thaveaverytastyname,doesit?Itdoesn'thaveaverytastyreputation,either.I'mheretotryandconvinceyouthatporridgeisn‘tbor

ingandtasteless,thatitcanbeadelicious,convenientandveryhealthywaytostarttheday.Ifyou‘venevereatenit(althoug

hyouprobablyhave),porridgeisatypeoffoodservedforbreakfast.Itisusuallyatypeofgrain,likericeoroat(燕麦),mix

edwitheithermilkorwater,andoftenheatedup.Itisoftenthickerthanliquid,butnotsolidandisveryeasytodigest,soit'sabetteroptionforpeoplewhoareill,anditpro

videslong-lastingenergyfortheday.Porridgepreparation--theamountofingredients(配料)andcookingtime—dependsonwhatyoucho

osetouseasyourporridgebase.IfI'mcookingformyself,Iputaverybighandfulof‗rolled‘oatsinasaucepan,addalittlebitofwaterandabout200mlofmilk,andletthe

mixtureboil.Istirtheporridgeconstantly,andittakesaboutfivetotenminutestocook.Onceit'scooked,thefunpartisaddingtheflavors.Porridgealonedoesn

'thaveaverystrongflavour.Althoughsomepeoplethinkthismakesporridgeboring,Ithinkthisiswhatmakesporridg

eexciting!Itislikeablankpieceofpaper—youcanaddalmostanythingyouwanttotheporridgebase.Greens,nutsanddriedfruitsareveryhealth

yoptionstoaddandcangiveyouenergyfortheday.Butifyoudon'tlikethese,oryou'reallergic,thenhoneyandchocolatearealsoverytastyoptions.(Justdon‘tadd

tomuch!)Oneofthebestthingsaboutporridge?Youcanmakeitalmostanywhereintheworld.Eitheroatsorriceorbothare―staplefoods(主食)‖formanypeopleacross

theworld.Youcanusuallybuybigbagsofeither,thenaddlocalingredientstomakeyourporridgeinteresting—whateverischeapandconvenienttofind,whereve

ryouare.IamcurrentlyinMexico,andIlovetoheatmyoatsupwithmilk,thenmixinpeanutsandpumpkinseedsandcacaonibs,andIputalayerofsugaroverthetoptomakemyporr

idgesweeter.Porridge?Hopefullyitsoundsalottastiernow!8．Accordingtotheauthor,whatisthebestthingaboutporridge?A．Itprovideslong-lasting

energyfortheday.B．Itischeapandconvenienttomake.C．It'sabetteroptionforpeople.D．Itisneverboringandtasteless.9．Whatisthepurposeofthetext?A．Togive

briefintroductiontovariousporridge.B．Toshowhowtoprepareporridgeforthepatient.C．Towarnusnottohaveporridgeforbreakfast.D．Tointroducetheb

enefitsofporridge.10．WhichofthefollowingstatementsisTRUE?A．Porridgeisoftenthicker,liquidandsolid.B．Porridgealonehasaverystrongflavor.C．Porridgeis

tomanypeople'sliking.D．Porridgeisonlyservedforbreakfast.11．What'stheauthor'sfavouriteflavor?A．Porridge

withSugar.B．Porridgewithoats.C．Porridgewithfruit.D．Porridgewithmilk.16.（2020届陕西商洛中学高三三模）Whenshewasstudyingtobecomeascientist,MeganStraus

srodeinasmallairplanetostudygiraffes.WhileapilotflewovertheSerengetiinTanzania,Africa,theresearcherslookeddo

wncarefullyandcountedgiraffes."Iamalwaysamazedhoweasilywecanspotwarthogsandothersmallanimals,yetwesometimeshavetroubleseeinggiraffes.Giraffes

areslenderinshape,andtheymaynotthrowagoodshadow,"saysDr.Strauss,whohassincebecomeawildlifescientist.TheSerengetiisaboutthesizeofVermont,astateinth

enortheasternUS,sothescientistscouldnotstudytheentirearea.Instead,theysurveyedthreeareaswheregiraffeswerestudiedinthe197

0s.Astheyexpected,theysawfarfeweroftheseanimals.Tofindoutiflionshadbeenkillingmoregiraffesinrecentyears,theteamlookedatthesurvivalofyo

unggiraffes.Lionskillmoreyounggiraffesthanadults,buttheteamfoundnodecreaseinyounggiraffes'survivalaf

tertheyareborn,comparedwiththe1970s.Theteamthenlookedatwhethertoomanygiraffeswerebeingkilledbyparasites(寄生虫).Theresearcherscountedpar

asiteeggsingiraffedroppings,andtheyfoundtoofewtoharmthegiraffepopulation.Theylookedintowhetherpoachers(盗猎者)were

killingtoomanygiraffes.Twooftheareastheystudiedarewheregiraffemeatissometimessoldinlocalmarkets.Poacherscatchmoreadultmalesthanothergiraffes.Re

searchersspottedtoofewmalescomparedwithfemalesinthosetwoareas,asignofpoaching.Whenthefoodsupplyisshort,theenvironmentsupportsfewergiraffesandthefem

aleshavefeweryounggiraffes.AlotofnewtreeshavegrownintheSerengeti,butmanyareatypethatgiraffesdonotliketoeat.Theresearchersfoundfew

eryounggiraffestodaythaninthe1970scomparedwiththenumberofadultfemales,asignthatfoodwasinshortsupply.Dr.Straussisworkingonanenvir

onmentaleducationprogramforTanzaniaincludingbooksforstudents.ThesematerialswilleducateTanzaniansandhelpthemtohelpgir

affes.Asknowledgegrowsandchangesaremade,theyhopethegiraffepopulationwillincrease.4．WhatdidDr.StraussfindwhilestudyinggiraffesintheSerengeti?A．I

twastoocostlytostudygiraffes.B．Itwashardtospotgiraffesfromtheair.C．Thenumberofgiraffeshadincreasedslowly.D．Giraffeslivedins

mallerareasthaninthe1970s.5．Howdidtheteamstudythelion-girafferelationship?A．Byanalyzinggiraffedroppings.B．Bycomparingyounggiraff

eswithadults.C．Bycomparingmalegiraffesandfemales.D．Bysurveyingthesurvivalofyounggiraffes.6．WhatisDr.Straussdoin

gtohelpgiraffes?A．SheisfoundinganationalparkinTanzania.B．SheiscountinggiraffesintheentireSerengeti.C．Sheisedu

catingstudentstowriteaboutgiraffes.D．Sheisraisingenvironmentalawarenessinlocalpeople.17.（2020届陕西商洛中学高三三模）Woodh

asmanygreatcharacteristicsthatmakeittheperfectbuildingmaterial.Itischeap，durable(耐用的)，easilyavailable，an

dmostimportantly，environmentallysustainable.Theonethingitisnot，istransparent(透明的).NowthankstoateamofscientistsatStockholm'sKTHRoyalInstituteofTe

chnology，thematerialmayevenbeabletoaddthatfeaturetoitsalreadyimpressivelist.LeadresearcherDr.LarsBerglundsaidhewasins

piredtocreatethetransparentwoodafterlearninghowJapaneseresearchershaddevelopedasee-throughpaperforuseinflexibledisplayscr

eensforelectronicdevices.Theteambeganbypullingoutthewood'slignin(木质素).Thelignin-freewoodwasthendippedinto

apolymer(聚合物)andbakedatatemperatureof158Fforfourhours.Theresultwasahybridproductthatwasnotonlystrongerandlighterthantheorigin

alwoodbutalso，almosttransparent.Theresearcherswereabletoadjusttheleveloftransparencybyvaryingtheamountofthepolymerinjectedandal

sobychangingthethicknessofthewood.Whilescientistshavepreviouslycreatedasee-throughwoodforsmall-scaleapplicat

ionslikecomputerchips,hetransparentwoodisthefirstonebeingconsideredforlargescaleapplications.Theresearchers,whorevealedtheirfindingsinBiomacrom

oleculesonApril11,pictureusingthetransparentwoodinbuildingstoallowformorenaturallight,ortocreatewindowsthatletinthedesiredamountoflightwithoutsa

crificingprivacy.Woodthatallowslighttopassthroughcouldleadtoabrighterfutureforhomesandbuildings.Berglundalsothinks

thewoodcouldplayasignificantroleinthedesignofsolarpanels.Thesemi-transparentmaterialwouldbeabletokeeplightlongerandgiveitmoretimetointeractwiththeco

nductor,thusresultinginbettersolarefficiency.Additionally,substitutingthecurrentlyusedglasswiththisnewproductwouldhelpsolarenergymanufacturersimprove

theircarbonfootprintandlowerthecost.Theyarenowexperimentingwithwaystoscaleupthemanufacturingprocesssothatthetranspar

entmaterialiscost-effectivetomakeandeasytouse.7．Whatdoestheunderlinedpart"thatfeature"inParagraph1referto?A．

Cheapness.B．Durability.C．Sustainability.D．Transparency.8．Whichofthefollowingisnottheprocessinwhichthetransparentwoodismade?A．Dipthewoodintoapoly

mer.B．Reducetheamountofthepolymer.C．Makethewoodlignin-free.D．Bakethewoodforsometime.9．Whichofthefollowingistrueaccordingtothetext?A．Berglund

gottheideaoftransparentwoodwhilemakingpaper.B．Varyingtheamountofthepolymerchangesthewood'shardness.C．Thecostofmakingth

etransparentwoodstillneedstobecutdown.D．Thetransparentwoodwouldbeusedonlyforhomesandbuildings.10．Whatisthelastparagraphmai

nlyabout？A．Thebrightfutureofthetransparentwood.B．Thewood'sroleinthedesignofsolarpanels.C．Thedisadvantagesofthecurrentlyusedglass.D．Solaren

ergymanufacturers'carbonfootprint.18.（2020届四川省德阳市高三二诊）Hearinglossisunavoidable,butlisteningtoloudmusicwheny

ou‘reyoungercanmakeitworse.Toreduceyourriskofhearinglossvialoudmusic,learnwhyandhowitcancausehearingloss,andjusthowloudistooloud.Hearinglossoc

cursinfourways:conductivehearingloss,sensorineuralhearingloss,mixedhearinglossandauditoryneuropathyspectrum

disorder.Noise-induced(噪音诱发的)hearinglossisatypeofsensorineuralhearingloss.Sensorineuralhearinglossoccurswhenyourinnerearbecomesdamaged.Inthec

aseofnoiseinducedhearingloss,mostofthedamageaffectsthecellsoftinysensoryhairsinyourinnerear.Whenthosecellsgetdamagedordie,theele

ctricalsignalthatyourauditorynervesendstoyourbrainchanges.Noise-inducedhearinglosscanbeacuteorsevere,anditcanbetemporaryor

permanent.Youmightbefamiliarwithacutetemporarynoise-inducedhearingloss,evenifyoudidn‘trealizewhatwashappeningatthetime.Acute

temporarynoise-inducedhearinglosscanoccurfromattendingaloudconcertorsportingevent,goingtoagunrangewith

outearmuffsorbeingnearanexplosion.Itcanmakenoisessound―stuffy‖orfaraway,especiallywhentalkingonthephoneorinacrowdedroom.Repeatedexposuretoth

oseloudsituationscaneventuallyleadtopermanenthearingloss.Noiselevelsfromearbudsandheadphonescangetasloudas139decibels,accordingtothejourn

alNoise&Health,fargreaterthantherecommendedrangeofeverydaysoundexposure,whichis60to85decibels.Andtheaveragelevelofnoisefro

mheadphones,withthevolumeturnedallthewayup,is94to110decibels.Forcontext,60decibelsisaboutthevolumeofanaverageconversation,and130decibelsisabouttheno

iselevelofarockconcert.85decibelsisconsideredthemaxi-mumvolumeatwhichyoucanlistentosoundforeighthourswithoutdamagingyourhe

aring.Soifyouweretolistentomusicfromyourheadphonesforeighthoursaday,listeningatavolumelouderthan85decibelscancausepermanentdamagetoyoure

ars.Unfortunately,therelationshipbetweendecibelsandtimeisn‘tlinear.Foreverythreedecibels,safeexposuretimegetscutinhalf,accordingtotheCDC．At88decibe

ls,youcanonlysafelylistenforfourhours;at91decibels,justtwohours.32．Whatdoestheunderlinedword‖it‖inParagraphOnereferto?A．Hearingl

oss.B．Listeningtoloudmusic.C．Risk.D．Loudmusic.33．Inwhichofthefollowingsituationsisacutetemporarynoise-inducedhearinglossmorelikelytooccur?A．At

tendingarockconcert.B．Participatinginaheateddebate.C．Goingtoagunrangewithearmuffs.D．Watchinganexplosionatadistance.34．Intermsofsafeexposur

e,howlongcanyoulistenat97decibels?A．Aquarter.B．Halfanhour.C．Onehour.D．Oneandahalfhours.35．Whichofthefollowingcanbethebes

ttitleofthispassage?A．LoudMusicDamagesHearingB．HowtoPreventHearingLossC．HowLoudIsTooLoudD．MusicandHearing19

.（2020届四川省高三第一次统一监测）TheGuidetoFilmFestivalsCannesFilmFestivalCannes,FranceinMayTopprize:Palmed‘OrHistory:ThefirstCannesFilmFestivaltookplaceinSept

ember1939,butitdidn‘thappenagainuntilafterWorldWarII.ThePalmed‘Orprizewasintroducedin1955.Thefestivalbecameestablishedduringthe1960sandisnowkn

ownastheworld‘smostimportantfilmfestival.Didyouknow?About20featurefilmscompeteeachyearforthePalmed‘Or.Pr

eviouswinnersincludeMichaelMooreandQuentinTarantino.UnliketheOscars,thetopprizeisfrequentlysharedbetweentwofilm

s.FamousfilmsthathavewonthePalmed‘OrincludeApocalypseNow,TaxiDriver,LaDolceVitaandTheThirdMan.Thefestivalattractsmorethan40,000peopleever

yyear.VeniceFilmFestivalVenice,ItalyinAugust/SeptemberTopprize:GoldenLionHistory:TheVeniceFilmFestiv

alistheoldestfilmfestivalstillinexistence.Thefilmfestivalwasin1932anditattractedover25,000people.Thefestivaldidnotappearagainuntil1934,whentherewasac

ompetitionbetween19countries.ThefestivalwasheldthreetimesduringWorldWarIIandhasbeenheldalmosteveryyearsinceth

en.Didyouknow?Filmsatthe61stVeniceFilmFestivalin2004werenominatedfor16awardsattheOscars—thehighesteverforthefestival.ThesefilmsincludedVeraDra

ke,SharkTale,CollateralandFindingNeverland.TheLondonFilmFestivalLondon,UKinOctober/NovemberTopprize:Non-competitiveHisto

ry:TheLondonFilmFestivalstartedin1956whenagroupoffilmcriticsledbythefamousDilysPowell,thefilmcriticforTheSundayTimes,gottogetherove

rdinner.TheydiscussedthefestivalsatCannesandVenice,andtheyagreedthatLondonneededone,too.Theywantedtogivepeoplethe

opportunitytoseefilmsfromaroundtheworldthatwerenotbeingshowninthecinemas.Thefirstfestivalshowed20filmsattheNationalFilmTheat

reontheSouthBank.Didyouknow?ThefestivalisoneofEurope‘slargestpublicfilmevents,screeningabout280filmsfrom60countries.Althoughitisnon-compe

titive,theBritishFilmInstituteawardstheSutherlandTrophytothemostoriginalandimaginativefirstfeaturefilm

screenedatthefestival.1．Wecanknowfromthetextthat________.A．theThirdManhaswontheGoldenLionB．thePalmed‘Or

canbeawardedtotwofilmsC．theCannesFilmFestivalstartedafterWorldWarIID．thePalmed‘Orprizewasintroducedduring

WorldWarII2．TheVeniceFilmFestival__________.A．didn‘tattractmanypeopleatfirstB．hasbeenheldeveryyearsince1934C．isregardedasth

emostimportantfilmfestivalD．hasbeenrunninglongerthananyotherfilmfestival3．WhatwasthepurposeoftheLond

onFilmFestivalatthebeginning?A．Tomakesomefilmspublic.B．Tobringfilmcriticstogether.C．Tocompetewithotherfilmfestivals.D．Tocho

osethebestoriginalfeaturefilms.20.（2020届四川省高三第一次统一监测）Isthereanyoneyouadmire?Nomatterwhatstageoflifeyou

‘reat,it‘sgoodtohavesomeonewhoinspiresyoutobethebestversionofyourself.Now,thankstosomespecialnationalawards,wewillhaveawiderrange

ofpossiblerolemodels.Tocelebratethe70thanniversaryofthefoundingofthePeople'sRepublicofChina(PRC),PresidentXiJinpingsi

gnedapresidentialruleonSept.17toaward42individualstheMedaloftheRepublic,theFriendshipMedalandvarioushonorarytitles,Ch

inaDailyreported.Thepeoplewhoreceivedmedalscomefromarangeofbackgrounds9includingscientists,lawmakers,educators,ar

tists,modelworkersandsixforeignnationals.Theyhaveallmadeoutstandingcontributionstothenation'sconstructionanddevelopm

ent.The89-year-oldShenJilanisoneoftheeightpeoplewhowereawardedtheMedaloftheRepublic.Asalifelongfarmer,sheistheonlydeputy(代表)inChinatoserveatall13Nati

onalPeople‘sCongressessince1954.ShewitnessedthedevelopmentofthePeople‘sCongresssystem.Shehasbeenengagedinmakin

gandimprovingnationallawsmostofherlife.Itwasshewhoproposedtheclauseon―equalpayforequalwork‖betweenmenandwomen,whichwaswrittenintothefirstCons

titutionofPRCin1954.China‘sdevelopmentcan‘tcontinuewithoutlawmakers,norcanitmoveforwardwithoutscientists.YePeijian,whoreceived,thehonorarytitl

e―thepeople‘sscientist‖,hasbeendevotedtoChina‘slunarprogramfortwodecades.Knownas―theFatherofChang‘eProbes‖,histeamofaerospaceengineersputlu

narlandersonthemoon.OnJan,3ofthisyear,theChang‘e4probetoucheddownonthemoon‘sfarside,markingtheprogram‘slatestachievement.―Thespaceprogramisabout40ye

arslatewiththeUS,butwehaveusedChinesetechnologyinourprogramme.‖hetoldGBTimeswhenaskedaboutthelunarexplorationprogram.Al

soreceivingawardsaresixforeignfriendswhohavelenttheirhandstoassistwithChina‘sprosperity(繁荣).RaulCastroRuz,formerCubanpreside

nt,wasgivenaFriendshipMedal.Thishonorrecognizes―therevolutionaryworkofhislifeandhiscontributiontostrengtheningrelations

betweenCubaandChina‖,saidMiguelDiaz-CanelBermudez,presidentoftheCouncilofStateandCouncilofMinistersofCuba,onsocia

lmedia.Thankstotheheroiceffortsmadebythesegreatfigures,wecanliveinaprosperousandpeacefulcountry.Hopefully,theserolemodelscanlightthewayforanew

generationandinspirefuturepeopletocontributetonationbuilding.8．What‘sthewriter‘spurposetowritethearticle?A．Tosayt

hankstonationalmodels.B．Totellreaderswhatmakesarolemodel.C．Todescribetheawardsrecentlygivenbythegovernment.D．Tointroducesomeofthepe

oplewhowonnationalawards.9．WhatcanwelearnaboutShenJilanfromthepassage?A．Shehastakenanactivepartinmakingnationall

aws.B．SheistheonlywomanawardedtheMedaloftheRepublic.C．ShefirstbecameadeputytotheNationalPeople'sCongress.D．Shehelpedtoimproveworkingequipmentforwom

enin1954.10．WhatwasYePeijianawardedanhonorarytitlefor?A．ForhisdesignoftheChang‘e4probe.B．Forputtinglunarlandersonthemoon.

C．ForhisyearsofworkinChina‘slunarprogram.D．ForleadinghisteamtoexcelpasttheUSspaceprogram.11．WhatcanweknowaboutRaulCastroR

uzfromthetext?A．HehasintroducedChineseculturetoCuba.B．HehasmaderevolutionarychangesinCuba.C．HehashelpedimproveChina-Cubarelations.D．H

ewastheonlyforeignerawardedtheFriendshipMedal.21.（2020届四川省高三第一次统一监测）Inrecentyears,peoplehavebeenfocusingonthequalityoffoodthatchildrenarefed

inschools.FormerFirstLadyMichelleObamaworkedhardtomakeschoolluncheshealthier,resultinginnewmenusthatfeaturedlessfatandsalt,morefru

its,vegetables,andleanerproteins.Buthigh-qualitynutrientscountforlittlewhenthereisnotimetoeatthemandlackoflunchtimeisaseriousprobleminschools

acrosstheUnitedStates.AmyEttingerreports,―Thereisnonationalstandardonhowmuchtimekidsgettoeatthatmeal.‖Andw

ithschoolsbeingoccupiedwithtestscores,teachersareusingeveryavailableminuteforlessontime,whichoftenleaveskidswit

houtenougheatingtime.Thisisaproblembecausethelengthoftheschoollunchperiodisakeyfactorinhowmuchnutritionchildrenactually

get.Aresearchhasfoundthathavinglessthan20minutesforlunchresultsinchildrenconsumingmuchlessoftheirlunchesthanthosewithmorethan20minutes.T

hisisreallyterrible.Formanylow-incomekids,thatcafeterialunchcanrepresenthalftheirdailyenergyintake.There‘salsoanotherterrible

messagethatit‘sacceptabletowolfdownfoodasfastaspossiblebeforerushingofftoyournextclass.Cafeteriatimeshouldbeachancetointeractw

ithfriends,tolearnimportantsocialskills,toobserveandsharevarietiesoffood.Itshouldbearespiteintheday,ac

hancetorelaxmentallyandphysicallybeforeheadingintotheafternoon.AsEttingerexplains,someparentsarehopingtheNationalPar

entTeacherAssociationwilladdressthisissueatitsnextmeetingandtakeanofficialstance.This,inturn,wouldhelpparents

pushtheirkids‘schoolsforbetterlunchtimestandards.Meanwhile,ifyouhaveakidinthissituation,youcanhelpbypackingahealthy

lunchtosparethemthecafeterialineup.Makethefoodseasytounwrapandeat,providenon-messysnacksthatcanbeeateninclass,putsignificanteffortintoservingahear

tybreakfast,andsitdownasafamilyfordinnerwheneverpossible.12．WhatishappeningtochildreninAmericanschools?A．Theylackluncheatingt

ime.B．Theygetbadlyalongwitheachother.C．Theyconsumemoremeatthanbefore.D．Theyareoccupiedwithmanyoutdooractivities.13．Howarelow-incomekidsinfluen

cedbytheproblematschool?A．Theycan‘ttakeinenoughnutrients.B．Theycan‘tsharedifferentkindsoffood.C．Theycan‘tlearnsome

importantsocialskills.D．Theycan‘tholdapositiveattitudetowardslife.14．Whatdoestheunderlinedword―respite‖inPar

agraph4mean?A．Test.B．Challenge.C．Belief.D．Break.15．Howcanparentshelpsolvetheprobleminthetext?A．Byguidingt

heirkidshowtoeatlunches.B．Bypreparingabetterlunchfortheirkids.C．Bystoppingtheirkidsgoingtothecafeteria.D．Byforcingtheschoo

lstomakeadjustments.22.（2020届四川省绵阳南山中学高考三诊）NewYorkisanoverwhelmingcitytovisitwithchildren.Wentfollowsiscarefully

collectedadvicefromNewYorkersonhowtocoverthecityright.TenementMuseumTheTenementMuseumontheLowerEastSideoffersafantasticglimpseintourbanf

amilylife.GuidedtoursrevealthedailyroutinesofgenerationsofIrish,JewishandItalianimmigrantswhomadetheirmarkth

enquicklymovedupandout.Pickupacopyof―All-of-a-KindFamily‖oravintagetoyinthemuseumshop,oneofthecity‘sbest.MoMaMuseumMoMaMuseum

doesanexcellentjobmakingmodernandcontemporaryartaccessibletochildrenasyoungas4.Onweekendmornings,guidedtoursaredividedin

toage-appropriategroupsinwhichchildrencanobserveanumberofworksanddraw;latertheygainfreeadmittancetotheentiremuseum.Thecafeteriaisbothgrown-upandchild

-friendly,andthere‘sanartlaboratorywithhands-onactivitiesandevenanaudioguideforyoungpeople.IntrepidSea,AirandSpaceMuse

umThemostsignificantinthemuseumistheSpaceShuttlePavilion,whichisscheduledtoreopeninJuly,showcasingtheEnterprise,N

ASA‘sfirstspaceshuttle,whicharrivedlastyear.TheU.S.SIntrepid,aWorldWarII-eraaircraftcarrier,isworthwhileinitself.Wh

ilethecomplexsuffereddamageduringHurricaneSandy,mostofitsfacilitiesareonceagainshipshape.Familiesmaywanttoconsi

derOperationSlumber,whichallowsforovernightvisitswithspecialactivitiesforchildren6andolder.Children‘sMuseumoftheArtsAlltheartwo

rkhereismadebychildren,andvisitorscanmaketheirown(bonus:youdon‘thavetocleanup).Anareaforyoungerchildrenincludessand,Play-Dohandguidedmusi

cactivities.ChildrengoberserkfortheBallPond,aclosed-inareaofoversizeballs.Isitexperientialart?Aninstallation?Childrenneednotbotherwithsuchi

mponderables.1．Whichofthefollowingmuseumsofferfreeadmission?A．TenementMuseum.B．MoMaMuseum.C．IntrepidSea,Ai

randSpaceMuseum.D．Children‘sMuseumofArts.2．HowisChildren‘sMuseumoftheArtsdifferentfromtheotherthreemuseums?

A．Itprovidesactivitiesforchildrenofdifferentages.B．Itexhibitsalotofartwork.C．Itsartworkisallcreatedbychildren.D．ItusedtobedamagedintheHurric

anSandy.3．Whatdothefourmuseumshaveincommon?A．Theyareallchildren-friendly.B．Theyallshowvisitorscontemporaryartwork.C

．Theycanoffervisitorsactivitiestotakepartin.D．Theyareallsuitableforchildrenover4yearsold.23.（2020届四川省绵

阳南山中学高考三诊）Ipassedmydrivingtestatthefourthattempt.YoumightthinkthatmeansI‘mnotassafeassomeonewhopassedforthefirsttime.But

wouldyoufeelsaferwithnodriveratall?Maybenot,andit‘sforthisreasonthatautomotivefirmshaveincludeddriver-assistfunctionsintheirprototype(原型)dr

iverlesscars.Thisallowsthehumandrivertotakeoverifthereisaproblem.Googleisonemanufacturerthathasprototypedriverless

cars.Thesehavebeenequippedwithsteeringwheelsandconventionalcontrolstoallownormaldriving.Butthisisjustastage—thevisionistohavefullyautomatedcarsvery

soon.ThedirectorofGoogle‘sself-driveproject,ChrisUrmson,hopeshis11-year-oldsonwillneverhavetotakeadrivingtest.Toachievethat,thecars

needtobeontheroadsinfiveyears.Hesaysdriverlesscarswillgreatlyreduceaccidentsandtrafficjams.AccordingtoChris,―about1.2millionpeopleareki

lledontheroadsaroundtheworldeachyear.Thatnumberisequivalenttoajetfallingoutoftheskyeveryday.‖Hethinksgradualchangestoexistingcard

esignsarenotenoughtodealwiththeproblem.―Ifwearereallygoingtomakechangestoourcitiesandgetridofparkinglots,weneedself-drivecars,‖hesays.Goo

gle‘sprototypeshavecoveredoveramillionkilometersontheroad.Theyhavealsohadtodealwithunexpectedsituations,suchasachilddrivingatoycarinther

oad,andawomaninanelectricwheelchairchasingaduck.Ineachcase,theyreactedsafely.Somearenotconvinced.SevenBeikerofStanfordUniversi

tythinksdriverlesscarswillstillneedhumaninputinextremecircumstances.Healsoworriesthatpeoplemayforgethowtooperatetheirvehiclesiftheyd

onotdoitregularly.―IguessIshouldn‘tthrowawaymydriver‘slicensejustyet,‖hesays.4．Whatcanbeknownaboutdriverlesscars?A．Theyarefitted

withnewly-developedsteeringwheels.B．Theyincludefunctionsmanagedbyhumandrivers.C．Theyneedtraditionalcontrolstoavoidtrafficjams.D．Theywi

llbepurchasedonthemarketinfiveyears.5．WhatcanwelearnfromwhatChrissaid?A．Chrisbelievesthatthereisapossibilityo

fajetcrashingperday.B．About1.2millionpeoplearekilledaroundtheworldeachyear.C．Changingcurrentcardesignsalonecannotpreventalltrafficdeaths.D

．Driverlesscarscannotdealwithextremecircumstanceswithouthumanhelp.6．What‘stheattitudeofSevenBeikertowardsdriverlesscars?A

．Approving.B．Cautious.C．Neutral.D．Hopeful.7．Whatdoesthepassagemainlytalkabout?A．Whyweneeddriverlesscarsinthenearfuture.B．Ho

wtocontroladriverlesscarwithoutadriver‘slicense.C．Differencesbetweendriverlesscarsandconventionalones.D．Ab

riefintroductionofdriverlesscarsandsomeopinionsonthem.24.（2020届四川省绵阳南山中学高考三诊）Ifyouhaveeverhadacat,orhavewatchedoneofthe

manyfunnycatvideosonline,you‘llknowthatcatshaveamindoftheirown.Alotofthethingstheydoarehardtounderstand---they

liketoclimbuptallfurniture,fitthemselvesinsmallspacesandattacksmallobjectsfornoreasonatall.Nowscientistshavemanagedtofigureo

utwhatexactlyisgoingoninthebrainsofourlittlefriends.AccordingtoTonyBuffington,aprofessoratOhioStateUniversityintheUS,cats‘strangebehaviorlargel

ycomesfromtheirwayoflifebackinthewild.―Catstodaystillhavemanyofthesameinstincts(本能)thatallowedthemtoliveinthewildformill

ionsofyears.‖hesaidinaTEDTalk.―Tothem,ourhomesaretheirjungles.‖Inthewild,catsarehunters.Theirbodiesandgreatbalancingabiliti

esallowthemtoclimbtohighspotstobetterlookattheenvironment.Eventhoughtheydon‘thavetohuntanymoreinhumanhouses,theystillkeeptheoldhabitofvie

wingthelivingroomfrom,forexample,thetopoftherefrigerator.Cats‘huntinginstinctisalsowhatmakesthemattacksmallthingslikekeysandUS

Bdrives.Inthewild,theyhuntwhatevertheycanget,andmostoftheanimalstheykillaresmall.However,catscanalsobeprey.Thisex

plainswhytheyliketostayinsmallspaceslikedrawersorwashingmachines---theyarehiding,ortheythinktheyarehiding,frommoredangerousanima

ls.Thisisalsowhycatspreferacleanbox:asmellyonecouldeasilyshowenemieswheretheyare.Knowinghowcats‘mindsworkisnotonlyusefulforb

etterunderstandingthem.Itmayalsohelpcats‘ownerstobettermeetcats‘needs.Forexample,ownerscouldtrytomakeclimbingeasierforcatsbymovi

ngtheirfurniturearound.Theycouldalsouse―foodpuzzles‖tomakeeatingfeelmorelikehuntinginsteadofjustgivingfoodtothecats

.8．AccordingtoTonyBuffington,________.A．cats‘strangebehaviorishardforpeopletounderstandB．catsaremoreusedtolivi

nginthewildthaninhumans‘homesC．catsbehavestrangelymainlybecauseofsomeinstinctsinthewildD．cats‘instinctsareashelpfultothemtodayastheyweremillion

sofyearago9．WhichofthefollowingstatementsisTRUEaccordingtothetext?A．Catsliketoclimbuphighbecausetheywa

nttohidefromdangerousanimals.B．CatsattackkeysandUSBdrivesbecausetheyhaveahabitofhuntingsmallanimals.C．Catse

njoystayinginsmallspacesbecausetheyusuallyliveinsmallcavesinthewild.D．Cats‘preferenceforacleanboxprobablyhassomethingtodowiththeirhun

tinginstincts.10．Theunderlinedword―prey‖inParagraph5probablymeans_________.A．ananimalthatistoolazyB．ananima

lthatlikeshidinggamesC．ananimalthatkeepsitselfcleanD．ananimalthatishunted11．Thisarticleismainlywrittento_________.A．exp

lorethereasonsbehindcats‘strangebehaviorB．describecats‘pastwildexperiencetoreadersC．tellcatownershowtomakelifeeasierforcatsD．compareca

ts‘behaviorinhumanhomeswiththatinthewild25.（2020届四川省绵阳南山中学高考三诊）TeenagerswhochecksocialmediaforseveralhoursadayareattheriskofdevelopingADHD

(多动症),astudyhasconcluded.Theresearchteam,fromtheUniversityofSouthernCalifornia,tracked2,600teenagersaged15and16.Theyaskedthemhowman

ytimestheycheckedtheirphonesandotherdigitaldevicesforvariousreasons,andthenmonitoredthemforsymptomsofADHD．Aftertwoyears,t

hosewhohadcheckedtheirphonesthemostoftenweretwiceaslikelyasthosewhocheckedtheleastoftentoshowsignsofADHD．W

ritingintheJAMAmedicaljournal,thescientistssaid,―Modernmediadevicesimmediatelyinformuserswhennewtextmessages,socialmediapostings,o

rvideogameplayinvitationsarrive.Exposuretosuchinformationmaydrawattentionawayfromimportanttasks.Frequentdistra

ctioncouldinterruptthedevelopmentofconstantattentionandorganizationskills.‖Theybelieveconstantaccesstoinstantentertainmentalsohasanimpact.Rese

archerProfessorAdamLeventhalsaidallpreviousresearchhadfocusedonthelinkbetweenADHDandtelevisions.―What‘snewisthatpreviousstudiesonthistopicwe

redonemanyyearsago,whensocialmedia,mobilephones,tabletsandmobileappsdidn‘texist.Wecansaywithconfidenc

ethatteenswhoareexposedtohigherlevelsofdigitalmediaaresignificantlymorelikelytodevelopADHDsymptomsinthefuture,‖hesaid.Leventhalbel

ievesthefindingshelpfillagapinunderstandinghownewmobilemediadevicesandseeminglylimitlesscontentposeamentalh

ealthriskforchildren.Andthefindingsserveasawarning.Britishscientistswelcomedthefindings.ButProfessorAndyPrzyby

lskioftheOxfordInternetInstitutesaid,―Thestudyreliesonsurveyresponsesprovidedbythestudentsinquestion.Itisnotclearifteachersorparentswouldratethechil

drensimilarlyoriftheself-reportedmeasureofdigitalscreenuseisrelatedwitheitheractualbehaviororhigherqualitysurveyitems.‖12．

Howdidtheresearchersconductthestudy?A．Bymonitoring2,600teenagerswithADHD．B．Bytrackingtheparticipantsfortwoyears.C．Byan

alyzingdatafrompreviousresearchesonline.D．Bycontrollingdifferentteens‘timespentonsocialmedia.13．WhatdoesLeventhal

thinkoftheexposuretohigherlevelsofdigitalmedia?A．ItwillcausediverseADHDsymptoms.B．ItwillcreatehigherAD

HDrisks.C．Itwillweakenteenagers‘confidence.D．Itwillhaveamajorinfluenceonorganizationskills.14．WhatdoesProfessorAndyPrzybylskithinkofthest

udy?A．Itprovidesabetterunderstandingofthemedia.B．Itshouldhavefocusedonparents‘responses.C．Itsfindingsarenotre

liableenough.D．It‘sabreakthroughinthisfield.15．Whatcanbeasuitabletitleforthetext?A．TheuseofdigitalmediaisontheriseB．Teensareincreasinglyexp

osedtoADHDC．HeavyuseofsocialmediamayincreaseADHDrisksD．Teens‘exposuretomodernmediacallsmoreattention26.（2020届四川省绵阳市高三第三次诊断性考试）Thesl

oganfortheCulturalHeritageandSustainableDevelopmentFundis"InLoveWithChina"-andthisspecialmessagehasbcenshowninitsownlogo.Thelogousesthec

haractersfor"wind"and"phoenix"(风凰）inancientoraclebonescript(甲骨文）onacircularChinesefan.MadamKangJiaqi,theexecutivedire

ctorofCHSDF,INLOVEWITHCHINAexplainsthemanylayersofmeaningbehindthelogo:―Thelogoadoptsthewritingstyleo

foraclebonescript-datingbackover3,000years-carvedontoeitherturtleshelloroxbones.＂TheChinesecharacterfor*wind'andth

echaracterfor"phoenix'arealmostthesame,withjustonestrokedifference.InChina'sancientpast,thecharacterfor＂pho

enix'waswidelyconsideredtobringpeaceandhappinessandrepresentsgoodfortune.Thecharacter"wind'hasalonghistoryandisalsoknownasanamerepresentingc

ultureandspiritualpower."＂Boththecharacters"wind'and'phoenix'sharethesamecomponentintheircharacters,whichisalsousedintheslogan'InLoveWithChi

na'.Thisextraordinarycombinationrepresentshowexpertsleadfashion,whichintumleadsculture-andthatcultureisthebasisofcreativity

.Therefore,itrepresentstheimportanceoftraditionalChinesecultureinglobalcreativity.＂TakingtheChineseoraclebonecharacterof"wind'and'phoen

ix'asourlogorepresentsthebeginningofChinesecivilization,whichsuggeststhatitcanpassonChineseculturethroughthecooperationbetwee

ntheCHSDFandthecooperativeplatformofglobaldesigners,"explainsJiaqi.LogoartistSamChungsimilarlyexplainsherdesi

gnprocess,"Thedecisionoftheoraclebonescriptof'wind'comesfromtherootofthecharacteritself.Originatedfromthecharactershapeof'phoenix,''wind's'

oraclebonescriptstillpresentswonder,despiteitsmorecircularshape.Thethreetassels(流苏）attheendofthemoon-shapedfanfurtherg

iveafeelingoflightnesswhilehintingatbothEasternandWesternflavors."8．Whatdoweknowaboutthelogo?A．It'scarvedonturtlesh

ells.B．It'sdrawnoncircularChinesefans.C．It'sdesignedinanewwritingstyle.D．It'sacombinationoftwosimilarcharacters.9．Whyare'w

ind'and'phoenix'chosen?A．Theyareeasilywritten.B．Theysymbolizegoodfortune.C．TheyrepresentChineseculturaland

spiritualpower.D．TheypromoteglobalcreativitybasedonChineseculture.10．Whatcanbeinferredfromthelastparagraph?A．SamChungis

theactualdesignerofthelogo.B．Theideaforthelogocomesfromabroad.C．Thedirectorhaslittlesayinthedecision.D．Ta

sselsaresymbolofwesternculture.11．What'sthepassagemainlyabout?A．Chineseinfluenceontheworld.B．ThemakingofthelogoforCHSDF.

C．Chinesecultureandcivilization.D．Chinesecharacters'wind'and'phoenix'.27.（2020届四川省遂宁市高三第二次诊断性考试）Inthelastfewyear

s,companieslikeoBikehavebegunfloodingstreetsinplaceslikeJapanandAustraliawithbikes.BusinessmanMikeThanTunWinrealizedthesebikescoulddo

muchgoodforschoolchildreninMyanmar,ofwhomsomewalkanhourormoreeverydaytoschool.ThenhecreatedLessWalkwhichb

uysupthebikesfromothercountries.LessWalkmodifies（改装）bikestomakethemmoreusefulforstudents.Therentalbikesusedtorequirea

smartphoneapptounlockthem.LessWalkchangedthisforalockwithakey.Theyalsoaddedasecondseatinthebackofthebikes,allo

wingtwochildrentoridetoschoolononebike.Recentlythey‘rereplacingthebike‘sregulartireswithasolidtirethat

can‘tgoflat.Withallthechanges,eachbikepackedattractivelycostsLessWalkabout$35.―Despitethecost,thebenefitsitcandeveloparewellworthtrying,

‖ThantoldTechCrunch.TheprojectboughtthousandsofrentalbikesfromfailedcompaniesandshippedthemtoMyanmar.Theprocesswasn‘taseasyasi

tsounds—therewaslotsofpaperworkconcernedinmovingthebikesfromonecountrytoanother.ButgivingoutthebikestakesalittlelongergiventhatLessWalkwa

ntstomakesurethatthebikesgo,forfree,tothestudentswhoneedthemthemostandMyanmarhasapopulationofover50millionpeopleandmorethanninemillionstudents.Thepr

ojectisworkingwithMyanmar‘sgovernmentandschoolsystemstofocusonpoorstudentswalkinglongdistancesadaytoschool.Thanhopestob

ringinasmanyas100,000bikesandexpandtheprogramtoothercountrieslikeLaosandCambodia.Thanisalsohopefulthathecaninspire―globalfriends‖tofollowhimtoputthe

abandonedbikestowork,insteadofcreatingyetmoreurbanwaste.4．HowmanymodificationsdoesLessWalkdotothebikes?A．2.B．3.C．4.D．5.5．W

hydoesittakelongertodonatetherecycledbikes?A．Shippingthebikesissodifficult.B．There‘retoomanypoorstudents.C．Thebikesneedpackingca

refully.D．Targetedbikedonationisneeded.6．WhichcanbestdescribeThanTunWinastheleaderoftheproject?A．Ambitious.B．Encouraged.C．Well-exp

erienced.D．Nature-loving.7．Whatcanbeasuitabletitleforthetext?A．RemovalofUrbanRubbishB．RecycleofDonatedBik

esC．BenefitsbeyondtheCostD．Students‘NewVehicles28.（2020届四川省遂宁市高三第二次诊断性考试）There‘sawell-knownstoryintheworldofliterarytranslatorsaboutthetransl

atorwhowasthrilledtoseehisworkappearatgreatlengthinanarticleinapopularmagazine.Hehadtranslatedmanynovelsbyalittle-knownScandinavi

annovelist,whohebelievedhadbeenignoredandnotreceivedtheattentionorpraisethenovelistdeserved.Hehaddevotedmuch

timetotryingtogetthisnovelistsomerecognition.Thearticleagreedwithhisassessmentofthenovelist‘sworksme

ntioninglongpassagesfromhistranslations.Butsomethingwasmissing.Thetranslatorsearchedinvainforamentionofhisname.Itdidn‘tappearanywhere.Thetranslato

r‘sjoyatthecoverage（报道）oftheauthorhelikedwasconsiderablyruinedbythis.Hefeltthathehimselfshouldhavehadsomerecognitioninthearticle.Itwasasifth

etranslatordidnotexist,andalltheeffortshehadmadehadneverhappened.Mostpeoplewouldagreethatitwaswrongofthemagazinenottomen

tionthetranslator.However,itisalsotruethatmostreadersthemselvesoperateinexactlythesameway,andforthemitisalsoasifthetranslatordidn‘texist.W

henpeoplereadatranslationofanovel,theywanttofeeltheyarereadingwhatthenovelist,andnotsomeoneelse,wrote.Theyd

on‘twanttoberemindedthattheyarenotreading,andwouldnotbeabletoread,theoriginalnovelcreatedbythenovelist,notwishingtoknowwhothetranslator

wasorpayanyattentiontowhattheyhavedone.Inthisglobalage,moreandmoreworksoffictionarebeingtranslatedintomoreandmorela

nguages.Readersarenowabletoexperienceandunderstandotherculturesmorethaneverthroughthereadingoftranslated

novels.Sotheworksofmoreandmorenovelistscanreachpeopleinotherpartsoftheworld.Thisappliesnotonlytonewnovelsbutalsotofreshtranslationsofold

classics.8．WhatcanweknowaboutthetranslatorinParagraph1?A．Hisopinionwassharedbythemagazine.B．Thenovelist‘sworkswerehisfa

vourite.C．Heoftensentarticlestothemagazine.D．Thenovelistgotfamouswithhishelp.9．Howdidthetranslatorfeelwhenhelookedcloselyatthearticleinthem

agazine?A．Regretful.B．Proud.C．Upset.D．Skeptical.10．Whatisthethirdparagraphmainlyabout?A．Thecontributionsofnoveltranslators.B．Thegenera

lattitudetowardstranslators.C．Thereaders‘differenttastesinliterature.D．Theimportanceofreadingoriginalworks.11．Whatdoestheauthorstressw

hentalkingabouttheglobalage?A．Theshortageofablenoveltranslators.B．Thenumberofreadersoforiginalworks.

C．Thevalueofnovelsindifferentcountries.D．Thevarietyoffictionavailabletoreaders.