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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'vedevelopedasystemusingmachinelearningtopredictwhenandwherelightingwillst

rike.TheresearchwasledbyengineersfromtheSwissFederalInstituteofTechnologyinLausanne,Switzerland.Europeanresearchershaveestimatedthatbetwe

en6,000and24,000peoplearekilledbylightningworldwideeachyear.Thestrikescanalsocausepoweroutages,destroyproperty,damageelectricalequipmentandstartfores

tfires.Forthesereasons,climatescientistshavelongsoughttodevelopmethodstopredictandcontrollightning.IntheUnitedStatesandotherplaces,ground-basedsens

ingdevicesareusedtoidentifystrikesastheyhappen.But,nosystemhasbeencreatedtoeffectivelypredictlightning.Thesystemtested

intheexperimentsusedacombinationofdatafromweatherstationsandmachinelearningmethods.Theresearchersdevelop

edapredictionmodelthatwastrainedtorecognizeweatherconditionsthatwerelikelytocauselightning.Themodelwa

screatedwithdatacollectedovera12-yearperiodfrom12Swissweatherstationsincitiesandmountainareas.Thedatarelatedtofourma

insurfaceconditions:airpressure,airtemperature,relativehumidityandwindspeed.Theatmosphericdatawasplacedintoamachinelearninga

lgorithm（算法）,whichcomparedittorecordsoflightningstrikes.Researcherssaythealgorithmwasthenabletolearnthecondition

sunderwhichlightninghappens.AmirhosseinMostajabiisaPhDstudentattheinstitutewholedthedevelopmentofthemethod.Hesaid,―currents

ystemsforgatheringsuchdataareslowandcomplexandrequirecostlycollectionequipmentlikeradarorsatellites.‖―Ourmethodusesdatathatcanbeobta

inedfromanyweatherstation,‖Mostajabisaid.―Thiswillimprovedatacollectioninveryremoteareasnotcoveredbyradarandsatellit

eorinplaceswherecommunicationsystemshavebeencut,‖beadded.Theresearchersplantokeepdevelopingthetechnologyinpartnershipwith

aEuropeaneffortthataimstocreatealightningprotectionsystem.TheeffortiscalledtheEuropeanLaserLightningRodproject.8．Whyhave

climatescientiststriedtopredictandcontrollighting?A．Tocollectrelativedata.B．Toreducethedestructionlightninghasbeencausing.C．Tocreateascientifi

csystem.D．Todoresearchinrelationtomachinelearning.9．ThefourmentionedsurfaceconditionsincludeallthefollowingEXCEPT________.A．airpollutionB．windsp

eedC．relativehumidityD．airtemperature10．Whatdoestheunderlinedword―it‖inparagraph5referto?A．lighting.B．thesys

tembeingtested.C．theatmosphericdata.D．themachinelearningalgorithm.11．WhatcanwelearnaboutMostajabifromthepassage?A．Hedevelopedtheme

thodandthesystemhimself.B．Hethinksthecurrentsystemsaretooslowandsimple.C．HeisaprofessorattheSwissFeder

alInstituteofTechnology.D．Hebelievestheirsystemdoesmuchbetterindatacollection.2.（2020届辽宁省大连市第二十四中学高三模拟）SHORTLI

STOFLONDON'SBESTIfyouhavelimitedvisitingtimewerecommendyoufollowthislist.1)HousesofParliament.TheguidedtoursoftheHousesofParliamentareexcell

ent,inanylanguageyouwant,andgetyoutoplacesthatevennormalBritscan't.However,whenParliamentissitting,theyarenotrunning,butyoucanstil

lgetin.2)HamptonCourt.WeratethisasoneofthebestattractionsinEurope.Awholesuccessionofkingsandqueensha

veaddedtoHenryVIII‘soriginalpalace.Therelieafantasticpark(byCapabilityBrown)andgardens(includingthefamousmaze),andTud

orkitchensandoneofthelastremainingRealTenniscourts.Lotsoffree(onceyou'vepaidtheadmission)guidedtours,someincostume,bypeoplewhoknowandl

ovetheplace.It'salsosurroundedbyaseriesofparksandmakesagreatdestinationforabiketrip-trainout(30minutesfromWaterl

oo),bikeback(12miles)alongtheriver.WepreferittotheTowerofLondon-you'llprobablywanttovisitboth,itknocksthespot

soffBuckinghamPalace.3)TheRiver.WalkalongtheSouthBankfromTowerBridgetoLambeth.ThebestofLondonisspreadoutfor

you:TheTowerofLondon&TowerBridge,TheHousesofParliament,LambethPalace(residenceoftheArchbishopofCanterbury),Shakespeare

'sGlobetheatre,BothTateGalleries,StPaul'sCathedral,TheSouthBankCentre,TheTemple,TheLondonEye,WestminsterAbbey,SomersetHouse.

(A2hourwalkifyoudon'tstopforlong).OryoucantakeaboatouttoGreenwich,theThamesBarrierortheDome.4)WestminsterAbbey.WheretheycrownK

ings.Anunreasonableadmissioncharge(shouldreallybefreeorvoluntarydonation),butamasterpieceanyway.Ifyougetboredofwaitinginthequeue,orpackeddownbythec

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

ndnottakeinashow.Londonershavebeenpassionateabouttheatreforcenturies.Notonlyisthequalityhigh,butthepriceislow—onethird

thepriceofBroadway.1．WhichtourwillaforeignstudentstudyingthehistoryofBritishRoyalFamilymostprobablyprefer？A．thetourtoWestminster

AbbeyB．thetourtoTowerBridgeC．thetourtoSomersetHouseD．thetourtoHamptonCourt2．Whattimedoestheunderlinedstatement―whenParliamentissitting‖inp

aragraph2referto?A．whentheParliamentisnotofficiallyinsession.B．whenthemembersofParliamentaredebatingoverahotissue.C．whentheParlia

mentisstayingidleforrepairs.D．whenthemembersofParliamentaretakingabreakaftersomeexercise3．WhyareLondonersfondoftheatre?A．Theyenjoythecrim

inaldramaplots.B．Theyenjoytheinexpensiveadmission.C．TheyenjoytheClassicalMusicandOpera.D．TheyenjoythesceneofShakesp

eare‘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,becauseyou'renot.‖Mothersan

dfatherspresentattheceremony-andawholelotofotherparentsacrosstheinternet-tookissuewithhisego-puncturingwords.Bu

tlostintheangerandprotestwassomethingwereallyshouldbetakingtoheart:ouryoungpeopleactuallyhavenoideawhetherthey'reparticularlytal

entedoraccomplishedornot.Inoureagernesstoelevatetheirself-esteem,weforgottoteachthemhowtorealisticallyassesstheirow

nabilities,acrucialrequirementforgettingbetteratanythingfrommathtomusictosports.Infact,it'snotjustprivilege

dhigh-schoolstudents:wealltendtoviewourselvesasaboveaverage.Suchinflated(膨胀的)self-judgmentshavebeenfoundinstudyafterstudy,andit'softenexactl

ywhenwe'releastcompetentatagiventaskthatwerateourperformancemostgenerously.Ina2006studypublishedinthejournalMedicalEducat

ion,forexample,medicalstudentswhoscoredthelowestonanessaytestwerethemostcharitableintheirself-evaluations,whilehigh-scorings

tudentsjudgedthemselvesmuchmorestrictly.Poorstudents,theauthorsnote,"lackinsight"intotheirowninadequacy.Whyshoul

dthisbe?Anotherstudy,ledbyCornellUniversitypsychologistDavidDunning,offersanenlighteningexplanation.Peoplewhoareincompetent,hewriteswi

thco-authorJustinKruger,sufferfroma―dualburden‖:they'renotgoodatwhattheydo,andtheirineptness(笨拙)preventsthemfromreco

gnizinghowbadtheyare.InDunningandKruger'sstudy,subjectsscoringatthebottomoftheheapontestsoflogic,grammarandhumor"extreme

lyoverestimated"theirtalents.Althoughtheirtestscoresputtheminthe12thpercentile,theyguessedtheywerein

the62nd.Whattheseindividualslacked(inadditiontoclearlogic,propergrammarandasenseofhumor)was"metacognitiveskill"(元认知技巧):thecapacitytomoni

torhowwellthey'reperforming.Intheabsenceofthatcapacity,thesubjectsarrivedatanoverlyhopefulviewoftheirownabilities.There'saparadox(悖论

)here,theauthorsnote:―Theskillsthatdevelopcompetenceinaparticulardomainareoftentheverysameskillsnecessarytoevaluatecompetencein

thatdomain.‖Inotherwords,togetbetteratjudginghowwellwe‘redoingatanactivity,wehavetogetbetterattheact

ivityitself.Thereareacoupleofwaysoutofthisdoublebind(两难).First,wecanlearntomakehonestcomparisonswithothers.Trainyourselftorecognizeexcellence,evenwhe

nyouyourselfdon'tpossessit,andcomparewhatyoucandoagainstwhattrulyexcellentindividualsareabletoaccomplish.Second,seekoutfe

edbackthatisfrequent,accurateandspecific.Findacriticwhowilltellyounotonlyhowpoorlyyou'redoing,butjustwhatitisth

atyou'redoingwrong.AsDunningandKrugernote,successindicatestousthateverythingwentright,butfailureismoreambiguous:anynumberof

thingscouldhavegonewrong.Usethisexternalfeedbacktofigureoutexactlywhereandwhenyouscrewedup.Ifweadoptthe

sestrategies-andmostimportantly,teachthemtoourchildren-theywon'tneedparents,oracommencement(毕业典礼)speaker,totellthemthatthey'respecial.

They'llalreadyknowthattheyare,orhaveaplantogetthatway.8．Whatdoestheunderlinedphrase―tookissuewith‖inparagrap

h1mostprobablymean?A．totallyapprovedofB．disagreedwithC．fullyunderstoodD．helddiscussionabout9．Whatistheproblemthats

houldn'tbeoverlookedintheauthor‘sopinion?A．wedon‘tknowwhetherouryoungpeoplearetalentedornotB．youngpeople

can'treasonablydefinethemselvesC．norequirementissetupforyoungpeopletogetbetterD．wealwaystendtoconsiderourselvestobeprivileged10．WhichisNOTmentioned

aboutpoorstudentsaccordingtothepassage?A．Theylackthecapacitytomonitorhowwelltheyareperforming.B．Theyusuallygivethemselveshighscoresinself

-evaluations.C．Theytendtobeunabletoknowexactlyhowbadtheyare.D．Theyareintelligentlyinadequateintestsandexams.11．Whatdoes

thestrategiesofbecomingspecialsuggest?A．thebestwaytorecognizeexcellenceistostudypastsuccessandfailureB．throughcompa

risonwithothers,onewillknowwhereandwhenhefailsC．weneedinternalhonestywithourselvesandexternalhonestyfromothersD．neitherparentsn

oracommencementspeakercantellwhetheroneisspecial4.（2020届辽宁省锦州市高三一模）Jellyfishareunusualcreatures.They‘reneithe

rfishnorjelly.Someareamongthemostcolourfulcreaturesintheworld,butit‘sbesttolookbutnottouchtheseinvert

ebrates（无脊椎动物）.Notonlyaretheyveryfragilecreatures,butmanygiveapainfulsting,andsomeareevendeadly.Whetheryouadmiretheminanaquariumortrytoavoidt

heminthewild,youwon‘tbeabletogetthesefascinatingjellyfishfactsoutofyourhead.Here‘sajellyfishfactthatmightcomeinhandy:There

areseveralnamesforagroupofjellyfish.Theyincludesmack,bloom,andswarm.Choosethewordyoupreferdependingonwhetheryouthinkthejellyfishpackloo

kslikeagardenofbloomingflowersormorelikeafrighteningpackofstingers,andwhetheryou‘readmiringthematanaquariumorifyouandyourfello

wsnorkelersaresurrounded.Jellyfishhavetwomainformsintheirlifecyclethatlookquitedifferentfromeachother.Scientific

Americanexplainsthatanadultjellyfish,calledamedusa,hasabell-shapedbodywithtentacles（触须）flowingdownbelowit.Youngje

llyfish,calledpolyps,lookmorelikeseaanemones,withshortertentaclesthatflowupabovethemainbody.Medusasreproducebyreleasingeggs.Me

lanieRoberts,SeniorAquaristatSeaWorldOrlando,saysthatthelargestjellyfishintheworldisalion‘smanejellyfish.Thebodyofthisbeautifulorangejellycangrowupt

othreefeetindiameter.Withits12,000tentaclesthatcangrow120feetlong,Oceana.orgaddsthatthelion‘smanejellycomparesinsizetothep

lanet‘slargestanimal:thebluewhale.Regardlessoftheirsize,jellyfisharemostlymadeofwater.Infact,they‘reabout95percentwater.Thesecreatur

esdon‘thavebrains,blood,orbones.Andmostjellyfishdon‘thaveeyes.Jellyfishalsousetheirmouthsbothforeatingandf

orwasteremoval.8．Whycan‘twetouchjellyfish?A．Becausetheymaybestung.B．Becausetheymaydieeasily.C．Becausetheymayfeelpainful.D．Becausetheymayhurtpeop

le.9．Whatarejellyfishnamedafter?A．Itssize.B．Itscolor.C．Itsappearance.D．Itslifestyle.10．Whatcanwelearnfromthepassage?A

．Mouthisanimportantorganforjellyfish.B．Polypscanclonethemselvesbylayingeggs.C．Thelargestjellyfishintheworldi

s120feetlong.D．Medusashavetentaclesflowingupabovethebody.11．Whatcanbethebesttitleofthepassage?A．Severalfactsa

boutjellyfish.B．Thetwomainformsofjellyfish.C．Jellyfishareneitherfishnorjelly.D．Jellyfishhavemanydiffere

ntnames.5.（2020届辽宁省锦州市高三一模）Fancyyourownsatellite?ArizonaStateUniversityisworkingtowardsmakingthisarealitywithitsSunCubeFemtoSatproject.Smallerthanast

andardCubeSat,thelow-caststudent-designedspacecraftisaimedatprovidinggreateraccesstospaceforscientistsandhobbyistsalike.Assistantp

rofessorJekanThangaandateamofstudentshavebeendevelopingtheSunCubeFemtoSatforthepasttwoyears.Thesmall3×3×3cmcubeweighsinatjust35gandalonger(

3×3×9cm,100g)modelhasalsobeendesigned,whichincludesstoragespace.EachSunCubeFemtoSathasitsowncommunication,datacollectionandpropulsion

(推进)systemsandispoweredbysolarpanels.Itismadeofoff-the-shelfpartsthatareavailableinshops,andtheenergy-eff

icientsolarpanelsarecutfromscrap(碎片),whichmakesitsaveenergy,soldatadiscountbymanufacturers.―Withaspacec

raftofthissize,anyuniversitycandoit,‖saysThanga.―That‘spartofourmajorgoal—spacediscoveryforeverybody.‖Theteamsaysthatwhilelaunchingyou

rownsatellitewouldusuallycostbetweenUS$60,000-70,000perkilo,itwouldonlycost$1,000tosendaSunCubeFemtoSatto

theInternationalSpaceStation,and$3,000tosenditintolowearthorbit.Leavingtheearth‘sgravitywouldcostanestimated$27,000.TheFemtoSatwouldbepackedwitha―

jackinthebox‖stylesystemthatmatchesstandardCubeSatsizes(around10cubiccm),simplifyingtheprocessofgettingthetiny

satelliteintoorbit.NASAhassent30CubeSatsintospaceoverthelastyears,withanother50awaitinglaunch.ThangaandhisstaffviewtheFemtoSatasastartingpoin

tforscientistsandstudents,andevenhopethedevicecouldbeboughtonthewebsitelikeAmazononeday.Thangaimaginesdevelopingfourmainapplicatio

nsforthedevice,includinghands-ontestingexperiencesforstudents,andartificialgravityexperiments.Inaddi

tion,groupsofSunCubeFemtoSatscouldeventuallybeabletodothejoboflargerspacecraftatavastlydiscountedcost.12．Whatisth

emajorgoaloftheSunCubeFemtoSatproject?A．Toactonteachinginouterspace.B．Toprovideaccesstospacecraftdesign.C．Tohelpcarryoutaclassroomexperiment.D．Tohel

paverageindividualsexplorespace.13．WhatisspecialaboutSunCubeFemtoSats?A．Theyareofthesamesize.B．Theyareenergy-e

fficient.C．Theyaremainlydesignedforlabuse.D．Theyaremainlyusedtocollectinformation.14．WhatdoesThangaexpectofSunCubeFemtoSats?A．

They‘llbeavailableonline.B．They‘llbeprovidedforfree.C．They‘llmatchthesizeofCubeSats.D．They‘llbesentintospacewithCubeSats.15．Whatcanbeth

ebesttitleforthetext?A．FemtoSatsWillRuleSpaceB．YourOwnSatelliteIsComingC．GoingintoSpaceHasBeenAfforableD．YoucanDesig

nYourOwnSpacecraft6.（2020届辽宁省辽阳市高三一模）MostofEarth‘sfreshwatersitsunderground.Worldwide,about70percentofthegroundwaterdrawntothesurfacegoesforfarmin

g.Butsurfacewaters—riversandstreams—comefromgroundwater,too.Drawingtoomuchgroundwateroverashorttimecanbeharmful.Natu

ralwaterwayscanbegintoempty.Andthatcanhurtfreshwaterecosystems.Scientistsconsiderthisatippingpointwhensmallactionscanbeginmakingunus

uallybigdifferences.Anewstudyhasfoundthat15to21percentoftappedwater(自来水)areashavereachedthissortoftippingpoint.Mostofthosetappedriversandstrea

msareindryareas.Farmersintheseareasusegroundwatertowatertheircrops.Atpresentdrawingrates,thestudypredictsthat42to79percentofwaterareasaroundtheworldw

heregroundwaterisdrawnupforuseatthesurfacewillreachtippingpointsby2050.Ahealthygroundwateraquifer(含水层)protectsecosystemsagainst

seasonalupsanddownsintheuseofwater.Thatprovidesstabilityforareaplantsandanimals.Butiftoomuchgroundwaterisdrawnupfrombelow,surfacewaterswillbegi

ntoflowintotheaquifer,whichcanharmwhatarelivinginriversandstreams.DeGraafandthestudyteamsetupacomputermodel.Itlinkedgroundw

aterdrawingandwaterflowswithinrivers.Themodelcoveredfiftyyears,from1960to2010.Thentheresearchersusedclimateforecaststohelpthemodelpre

dictwhatmighthappeninfutureyears.Throughout,theykeptgroundwaterdrawingratessustainable.Morethanhalfofdrawn

waterareasarelikelytocrossthisecologicaltippingpointbefore2050,themodelfinds.―Weneedtobethinkingaboutthi

snow,notin10years,‖DeGraafsays.―Ourstudyshowsuswheretotargetmoresustainableefforts.‖8．Whatdoesthe―tippingpoint‖inparagraph1mean?A．

Endpoint.B．Breakingpoint.C．Freezingpoint.D．Boilingpoint.9．Whatisthewriter‘spurposeofwritingthetext?A．Warnust

hatthesurfacewatercanpollutethegroundwater.B．Warnusofwateringthecropbygroundwater.C．Tellustherelationofgroundwaterandsurfacewater.D．War

nusthattheoveruseofgroundwatercandestroytheecosystem.10．Whatisthepartthegroundwaterplaysintheenvironment?A．Keepingthestabilityofnaturalwater.

B．Protectingecosystemsfrompollution.C．Clearingsurfacewaterstobedrinkable.D．Providingstabilityforthelocaleconomy.11．Howdidtheresearchersconductthest

udy?A．Theypredictedtheresultbasedontheolddata.B．Theyhappenedtoworkouttheresult.C．Theymeasuredallthegroundwaterandsurfacewater.D．Theydidquestion

nairesurveysonthewaterinformation.7.（2020届辽宁省辽阳市高三一模）Extrafingersarenotthatrare.Aboutoneortwoinevery1,000babiesarebornwithextrafingers.Ifthe

extrasarejustsmallnubs(肿块),theymaybesurgicallyremovedatbirth.Butsomeextrafingerscanprovehelpful,anewstudyshows.Anextrafingercanbeincrediblyhandy.P

eoplebornwithsixfingersperhandcantietheirshoes,flexiblymanagephonesandplayacomplicatedvideogame—allwithasingle

hand.What‘smore,theirbrainshadnotroublecontrollingthemorecomplexmovementsoftheirextrafingers,thenewstudyfinds.Itsresultsalsohighlighthowflexiblethe

humanbraincanbe.Thatinformationcanguidepeoplewhodesignbraincontrolledrobots.Researchersworkedwitha52-year-oldwomanandher17

-year-oldson,bothofwhomwerebornwithsixfingersoneachhand.Theirextrafingersgrewbetweenthethumbandindexfinger.Andtheyresemblethumbsinhowthe

ycanmove.Theresearchersstudiedthesubjects‘handswithMRI(核磁共振成像),whichcanmapbodystructures.Theyalsolookedatactivityinthepartsofthebraintha

tcontrolthehands.Thosescansshowedadedicatedbrainsystemthatcontrolstheextrafingers.Thesixthfingershad

theirownmusclesandtendons(肌腱).Thatmeanstheydon‘tjustdependonthemusclesthatmovetheotherfingers,assomedoct

orshadthought.Thebrainhadnotroubledirectingtheextrafingers,theresearchersshowed.Itsuggestssomeone‘smindwouldbeabletoc

ontrolroboticfingersorlimbs.However,itmightbeharderforapersonnotbornwithextrafingers.Livinginaworlddesignedforpeoplewithfivefingershasled

themomandsontoadaptininterestingways.Forinstance,eatingtoolsaretoosimpleforthem,sotheyconstantlychangethepostureontheeatingtoolsandusetheminadif

ferentway.Still,noteveryonewithextrafingersmayshowimprovedflexibility.Insomecases,extrafingersmaybelesswe

lldeveloped.12．Whatdoesthenewresearchfindaboutextrafingers?A．Theyarealwaysuseless.B．Theyareveryuncomm

on.C．Theyareusuallynecessary.D．Theyaresometimesbeneficial.13．Whatcanweinferaboutextrafingersfromthetext?A．Extrafingers‘musclesandtendonsarestronger.

B．Extrafingersaremoreflexiblethannormalones.C．Theextranubsremovedatbirthareactuallyhelpful.D．Brain-controlledRobotscanbedes

ignedtohaveextrafingers.14．Whatcanweknowfromthelastparagraph?A．Themomandsonliveaninterestinglife.B．Somepeopleenjoythelifewithextrafinge

rs.C．Eatingtoolsarequitesimpleforpeoplewithextrafingers.D．Somepeoplewithextrafingersarenotmoreflexiblethanordinarypeople.15．Whatcanbeth

ebesttitleforthetext?A．SixthFingerCanImproveAbilityB．SixthFingerCanProveExtraHandyC．SixthFingerShouldBeTreatedProperlyD．SixthFingerShoul

dDevelopinManyWays8.（2020届宁夏石嘴山市高三二模）Boomerangchildrenwhoreturntolivewiththeirparentsafteruniversitycanbegoodforfamilies,

leadingtocloser,moresupportiverelationshipsandincreasedcontactbetweenthegenerations,astudyhasfound.Thefindingscontradictresearchpublished

earlierthisyearshowingthatreturningadultchildrentriggerasignificantdeclineintheirparents‘qualityoflifeandwellbeing.Theyoungadultstak

ingpartinthestudywere―morepositivethanmighthavebeenexpected‖aboutmovingbackhome–theshameisreducedassomanyoftheirpeersa

reinthesameposition,andtheyacknowledgedthebenefitsoftheirparents‘financialandemotionalsupport.Daughterswerehappie

rthansons,oftenslippingbackeasilyintoteenagepatternsofbehaviour,thestudyfound.Parentsonthewholeweremoreuncertain,

expressingconcernaboutthelikelydurationofthearrangementandhowtomanageit.Buttheyacknowledgedthatthingsweredifferentforgraduates

today,wholeaveuniversitywithhugedebtsandfewerjobopportunities.Thefamiliesfeaturedinthestudyweremiddle-classandtendedtov

iewtheachievementofadultindependencefortheirchildrenasa―familyproject‖.Parentsacceptedthattheirchildrenrequiredsupportasuniversitystudentsandthe

nasgraduatesreturninghome,astheytriedtofindjobspayingenoughtoenablethemtomoveoutandgetonthehousingladde

r.―However,‖thestudysays,―day-to-daytensionsabouttheprospectsofachievingdifferentdimensionsofindependence,w

hichinafewextremecasescameclosetoconflict,characterisedtheexperienceofamajorityofparentsandalittleoverhalfthegraduates‖.A

reasofdisagreementincludedchores,moneyandsociallife.Whileparentswerekeentohelp,theyalsowanteddifferentrelationshipsfromthosetheyhadwiththeirow

nparents,andcontinuingtosupporttheiradultchildrenallowedthemtoremainclose.28．Whatisthefindingofthepreviousresearch?A．Boomerangchildrenmadetheirpare

ntshappier.B．Theparentswerelookingforwardtotheirchildren‘sreturn.C．Theparents‘qualityoflifebecameworseth

anbefore.D．Boomerangchildrenneverdidanyhousework.29．Theunderlinedword―trigger‖inParagraph2maybebestreplacedby_____.A．causeB．defeatC．ariseD．allow

30．Whatistheattitudeofthecollegegraduatestowardsreturninghome?A．Theyareashamedofturningtotheirparentsforhelp.B．Theyaregladth

attheycouldcomeback.C．Theyaredoubtfulaboutwhethertheyshouldreturn.D．Theyareproudtobeindependentfromthefamily.31．Whatcanbeinferredasthereasonfor

the―boomerangchildren‖phenomenon?A．Thechildrenwanttokeepinclosertouchwiththeirparents.B．Theparentsarewill

ingtoprovidesupporttotheirchildren.C．Itisharderforthechildrentosecureasatisfyingjob.D．Thereismorehouseworkneededtobedon

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

canbedumpedintoonetrashcan.Itneedstobesortedoutwithdifferentthingsgoingintodifferentbins.Wasteclassific

ation,apracticethathaslongbeennormalindevelopedcountrieslikeJapan,isthenewchallengeformanyChineseurbanresiden

ts.However,thoughinitiallyyoumightneedtorackyourbrainstofigureoutwhichtrashgoesintowhichcan,inthelongrun,theresultis

wellworththeeffort.Landfills,siteswherewasteisburiedandcoveredoverwithsoil,areamajormethodofdisposingofresidentialwastei

nChina.However,consideringtheenvironmentaldisasterassociatedwithburyingwaste,thereisapressingneedtoreducetheamountofwastethatg

oesintoalandfill.Classification,sortingwasteintodifferentcategoriessuchasharmfulwaste,recyclablesandkitchenwaste,isakeysolution.Currentl

y,46citiesacrossChina,arecarryingoutaprogramthataimstoputinplaceaclassification-basedgarbagedisposalsystembytheendof2020.I

tishopedthatthiswillreducethequantityofwastethatendsupinlandfillsbyalargedegree.Shanghaicameintothemedia

focusinearlyJulyafteritcarriedoutcompulsorygarbagesortingrulesthatthosewhofailtodisposeofgarbageproperlyshouldbefined.Beijingisrevie

wingitsregulationstofollowinShanghai'sfootsteps.Thenewrulesmaycauseshort-terminconveniencebuttheyaremeanttohelpresidentsfollowtheconcept

ofgarbageclassificationforthecommongood.Astheprogramsshow,residentscangraduallydevelopthishabitwiththeirgrowinga

warenessandthehelpofadvancedtechnology.Infuture,thispracticeshouldbeadoptedacrossChina,inurbancitiesandruralareasalike.Withpublicinvolvement,China's

garbagesortingprogramwillcontributenotonlytothenation'ssustainable(可持续的)developmentbutalsotomakingtheplanetabetterplacetolivein.32．Whatisthemost

probablereasonforclassifyingwaste?A．Nositeforburyingwaste.B．People'shabit.C．Economiccost.D．Environme

ntalpollution.33．Whatisthepurposeoftheprogram?A．Topractisewasteclassification.B．Toprotectenvironment.C．Tosaveoilf

orfarming.D．Toreducethequantityofwaste.34．Whatcanbeasuitabletitleforthetext?A．AprogramadoptedacrossChina.B．Shanghaicarriedoutnewdi

sposalrules.C．Doingthebestwithwaste.D．Protectingenvironmentisnecessary.35．WhatislikelytohappeninChinaaccordingtothetext?A．Chinawillbecometheleading

countryoftheprogram.B．Theprogramwillbespreadnationwide.C．Developmentinruralareaswillmakegreatprogress.D．Peoplewi

llhelpdevelopmoderntechnology.10.（2020届宁夏银川一中高三第二次模拟）VacationsforPeopleWhoLoveWinterActivitiesWhenthetemperaturesdrop,don'trunawayfromthecold,em

braceitwithoneoftheseperfectwinterwonderlandvacations.Seeanice-skatingshowatMadeleineHotelTelluride,Coloradoisfamousforskiing-t

heyhaveeverythingfromAlpinetoNordictobackcountry.ButrightoutsidethisgorgeousMadeleineHotelisamassiveice-skatingrinkwithrent

als(hockeyskatesandfigureskates)aswellaslessons,showsandevenspecialDJnights.SipwintersweetnessattheIceWineFestivalThischillyJ

anuaryfestivalatNiagaraontheLakecanreachtempsof40degreesbelowzerobut,aslongasyoucanfeelyourfingersandtoes,youcansipicewine-madefromfrozenlocalgrapes-

fromtheicebarinthetownsquare.Whenyou'rereadytowarmup,signupforavineyardtourandgofromwinerytowinerysippingandtastingsmallfo

odpairings.BowloniceattheAmericanClubInthecourtyardoftheTudor-styleAmericanClubinKohler,Wisconsin,youcantry

yourhandatbowlingonoutdoorlanesmadeofice.There'salsoBavarianCurling,andpatioheaterstokeepyoucomfortablewhileyouchallengeyourfriends

.ThecourtsstayopenthroughMarchandrequire48-hournoticeforreservations.HitthehillsatLakePlacidLodgeTheAdirondacksinNewYorkareawin

terwonderland,oncethehomeofthewinterOlympics,andhaseverythingfrombobsleddingtotobogganing,dogsledding,skijumpingandice-skat

ing.Attheendoftheday,checkoutoneofLakePlacidLodge'sfamoussnowbonfires,bestadmiredwithhotcocoa.Ifmoreinf

ormationisneeded,youcanclickhere.21．Ifyouareinterestedinskating,wherewillyouprobablygo?A．TellurideandAdirondacks.B．TellurideandtheLake.C．Adironda

cksandKohler.D．KohlerandtheLake.22．WhatcanyoudoattheIceWineFestival?A．Touchyourfingersandtoes.B．Skateattheicebar.C．Tastesomewineandfood.D．

Bowlonoutdooricelanes.23．Fromwhichisthetextprobablytaken?A．Alifemagazine.B．Awebsite.C．Ageographytextbook.D．Anadvertisementcolumn.11.（2020届宁夏

银川一中高三第二次模拟）AteamofengineersatHarvardUniversityhasbeeninspiredbyNaturetocreatethefirstroboticfly.Themechanicalflyhasbecomeaplatformforaserie

sofnewhigh-techintegratedsystems.Designedtodowhataflydoesnaturally,thetinymachineisthesizeofafathousefly.

Itsminiwingsallowittostayintheairandperformcontrolledflighttasks.―It‘sextremelyimportantforustothinkaboutthisasawholesystemandnotjustthesumofabuncho

findividualcomponents,‖saidRobertWood,theHarvardengineeringprofessorwhohasbeenworkingontheroboticflyprojectforoveradecade.Afewyearsago,histeamgot

thego-aheadtostartpiecingtogetherthecomponents.―Theaddeddifficultywithaprojectlikethisisthatactuallynoneo

fthosecomponentsareofftheshelfandsowehavetodevelopthemallonourown,‖hesaid.Theyengineeredaseriesofsystemstosta

rtanddrivetheroboticfly.―Theseeminglysimplesystemwhichjustmovesthewingshasanumberofinterdependenciesontheindivi

dualcomponents,eachofwhichindividuallyhastoperformwell,butthenhastobematchedwelltoeverythingit‘sconnectedto,‖

saidWood.Theflightdevicewasbuiltintoasetofpower,computation,sensingandcontrolsystems.Woodsaysthesuccessoftheprojectprovesthattheflyingrobotwi

ththesetinycomponentscanbebuiltandmanufactured.Whilethisfirstroboticflyerislinkedtoasmall,off-boardpowersource,thegoalisevent

uallytoequipitwithabuilt-inpowersource,sothatitmightsomedayperformdata-gatheringworkatrescuesites,infarmers‘fieldsor

onthebattlefield.―Basically,itshouldbeabletotakeoff,landandflyaround,‖hesaid.Woodsaysthedesignoffersanewwaytostudyflightmechanicsandco

ntrolatinsect-scale.Yet,thepower,sensingandcomputationtechnologiesonboardcouldhavemuchbroaderapplications.―Youcanstartthinki

ngaboutusingthemtoansweropenscientificquestions,youknow,tostudybiologyinwaysthatwouldbedifficultwiththeanimals,butusingtheser

obotsinstead,‖hesaid.―Sotherearealotoftechnologiesandopeninterestingscientificquestionsthatarereallywhatdrivesusonadaytodaybas

is.‖32．Whichofthefollowingstatementswasthedifficultyengineersmetwhilemakingtheroboticfly?A．Theydidnot

havesufficientfund.B．Noready-madecomponentswereavailable.C．Therewasnomodelintheirmind.D．Itwashardforthemtoassemblethecomponents.33．Wh

atcanbeinferredfromparagraphs3and4?A．Theroboticflyhasbeenputintowideapplication.B．Theroboticflyconsistsofaflightdeviceandacontrolsy

stem.C．Informationfrommanysourcescanbecollectedbytheroboticfly.D．Theroboticflycanjustflyinlimitedareasatpresent.

34．Whichofthefollowingcanbelearnedfromthepassage?A．Wood‘sdesigncanreplaceanimalsinsomeexperiments.B．Animalsarenotallow

edinbiologicalexperiments.C．Theroboticflyerisdesignedtolearnaboutinsects.D．Thereusedtobefewwaystostudyhowinsectsfly.3

5．Whichofthefollowingmightbethebesttitleofthepassage?A．TheDevelopmentofRoboticFlyB．RoboticFlyPromotesEngineeringScienceC．Harvard‘sEffortsinMaking

RoboticFlyD．RoboticFlyImitatesRealLifeInsect12.（2020届山西省吕梁市高三一模）Aslevelsofcarbondioxide-CO2-intheatmosphe

rehavebeenrisinginrecentdecades,Earthhasbeenwarming.That‘sbecauseasagreenhousegas,CO2trapsheatinEarth‘satmosphere.Thatwarmingisonesymptomofclimate

change.Andithasthepotentialtoaffectfoodinmanyways.DatanowshowthatrisinglevelsofCO2alsocanaffecthownutritiousacr

opwillbe.SomeofthosedatawerereportedlastyearinAnnualReviewofPublicHealth.Indeed,itnotedthatseveralstudieshavecometothisconclusion.SamuelMyersis

anenvironmentalhealthscientistatHarvardUniversityinCambridge,Mass.Hewaspartofateamthathasstudiedthepotentialeffectsofclimatec

hangeonnutrition.Inone2014study,hisgrouplookedatsixmajorfoodcrops:wheat,rice,fieldpeas,soybeans,maize(corn)andsorghum.Theyexposedplantstodifferent

amountsofCO2.Somegotlevelsofbetween363and386partspermillion(ppm),whichweretypicalatthattime.(CO2levelshavesincerisen.)Otherplantswereexpose

dtomoreofthatgreenhousegasastheygrew—546to586ppm.Suchlevelsareexpectedtodevelopwithinthenext50yearsor

so.Afterharvestingtheplants,theresearchersmeasuredtheirlevelsofvitamins,mineralsandothernutrients.Andplantsgrown

withmoreCO2werelessnutritious.Mostpeopledependoncerealcrops,suchaswheatandrice,tomeettheirdietaryneedsforbothzincandiron.Ifcroplevelsofsu

chnutrientsfall,peoplemayfaceanevengreaterriskoffallingill.Scientistsdon‘tyetknowwhyCO2impactslevelsofthesenutrients.Butthenewfindingssuggestscie

ntistsmaywanttotrybreedingnewvarietiesofcropsthatarelessaffectedbyCO2.Thatwaypeoplewillstillgetthemostbenefitsfromtheirgreensandgra

ins.8．Whatcanbethebesttitleofthepassage?A．TherisingCO2levels.B．Climatechangeaffectingnutritionofcrops.C．Effectsofagreenh

ousegasontheenvironment.D．Newvarietiesofcrops.9．Howdidresearcherscometotheconclusion?A．Byexperimentingandmeasuring.B．Byreferringt

obooks.C．Byimagination.D．Byturningtofarmersforhelp.10．WhichofthefollowingisNOTtrueaccordingtothetext?A．Scientistsdon‘tyetknowwhyCO2impactslevel

softhesenutrients.B．CO2levelsareexpectedtoriseto546to586ppmwithinthenext50yearsorso.C．TheEarthhasbeenwarmingbecauseCO2trapsheatintheatmosph

ere.D．Globalwarmingaffectsfoodonlyinoneway.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.Butsciencesaysthecommo

ncoldiscausedbythevirus,nottheweather.Actually,accordingtoresearchersatYaleUniversity,therejustmightbesomethingtothisoldwives‘tale.Fo

rdecades,researchershaveknownthatthevirusreplicates(复制)morereadilyincoolerenvironments,suchasthenose,ratherthanatthew

armercorebodytemperature.Thereasonforthis,explainsEllenFoxman,anassistantprofessoratYaleUniversitySchoolofMedicine,longremainedamystery.Scienti

stsdidn‘tknowwhetherthevirusitselfworkedbetteratcoldertemperatures,ortheimmunesystemworkedworse.―Noonecouldfindanyth

ing,‖shesays.ThenFoxmanandhercolleaguesstudiedwhat‘scalledthebornimmunesystem,whichispresentineverycell,andhowit

respondstovarioustemperatureswhenthevirusispresent.Inthelab,theyexaminedairwaycellsfrommiceandfoundthattheimmunesystemproducedfewerche

micalsubstancescalledinterferonsatlowertemperatures,allowingthecoldvirustoflourish.Inastudypublishedthisyear,theyfoundsupportin

gresultsinhumancells:Atthewarmercorebodytemperature,bornimmunesystemsthatblockviralgrowtharemoreactive,andcanstopandkillviru

ses.Nowtheteamistryingtobetterunderstandthedefensesthebodyusestopreventthevirus.Whilewearingascarfaroundyournoseto

warmitupmighthelppreventacold,Foxmanrecommendswashingyourhandssoyoudon‘tpassthevirustoyoureyes,nose,ormouthinthefirstplace.―Ifthevir

usisn‘tinyournose,itcan‘tcauseinfection,‖shesays.12．Whatdoestheunderlinedsentenceinthefirstparagraphmean?A．Listentotheelders.B．Thetalemakessense.C．T

hetaleisinteresting.D．Theresearchisuseless.13．WhatdidtheFoxmanteamfind?A．Thevirusincreasedinwarmerenvironments.B．Themi

cewasmoreactiveinwarmerconditions.C．Theimmunesystemproducedmoreantivirusinwarmair.D．Achemicalintheimmunesystemcanstopandkillvirus.14．Whatdoes

theFoxmanteamsuggesttopreventthecold?A．Wearingascarf.B．Dressingwarmly.C．Washingthehands.D．Staywarminwinter.15．What

isthetextmainlyabout?A．Coldweathercausescold.B．Tipsonprotectingimmunesystem.C．Coldimpactthebody‘simmunesystem.D．Manyvirusescancausethecommoncold.14.（

2020届山西省吕梁市高三一模）NewYear‘siswhenmanypeoplefeelmotivatedtomakeasavingsorfinancialplan.Forthosewhowanttoincreasethechanceofsuccess,16．SetgoalsinJan

uary(oronyourbirthday).AcademicresearchshowsbothNewYear‘sDayandbirthdaysaregoodtimestostartchange.Becausebothmarkanewstart,theyhelpus―wipetheslatecl

ean,‖saidKatherineMilkman.―Weexplainthatitwas‗theoldme‘whofailed,butthisyearwillbedifferent‖.17．Setspecific,realisticgoals.Peopl

eoftensetthemselvesupforfailurebychoosinggoalsthataretoovagueorextreme—forexample,to―savemore‖.Ifagoalrequiresyout

oremovethingsyouenjoy,youmayfeeldepressedandlosetheabilitytosticktoit.18．Forexample,―Iwillincreasemysavingsratefrom5%to15%inthenextfi

veyears.‖19．Thenextstepistobreakyourgoaldownintosmallerstepsandsolveoneatatime.―Nobodytriestorunamarathononthefi

rstday,‖saidMr.Egan.―Youneedaplantogetthere.‖Usethebehavioralstrategiesthatworkforyou.Individualsneedtoautomatetheirsavings.20．―Therewillbesetb

acks.Theyarepartofthejourney,‖saidMr.Egan.―Giveyourselfcreditforsuccessevenifthereissomedifficulty.‖A．Runamarathon.B．Makeadetailedplan.C．Thisb

oostsself-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'mheretotryandconvinceyouthatpor

ridgeisn‘tboringandtasteless,thatitcanbeadelicious,convenientandveryhealthywaytostarttheday.Ifyou‘venevereatenit(althoughyouprobablyha

ve),porridgeisatypeoffoodservedforbreakfast.Itisusuallyatypeofgrain,likericeoroat(燕麦),mixedwitheithermilkorwater,an

doftenheatedup.Itisoftenthickerthanliquid,butnotsolidandisveryeasytodigest,soit'sabetteroptionforpeoplewhoareill,andi

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

osetouseasyourporridgebase.IfI'mcookingformyself,Iputaverybighandfulof‗rolled‘oatsinasaucepan,addalittlebitofwaterandabout2

00mlofmilk,andletthemixtureboil.Istirtheporridgeconstantly,andittakesaboutfivetotenminutestocook.Onceit'

scooked,thefunpartisaddingtheflavors.Porridgealonedoesn'thaveaverystrongflavour.Althoughsomepeoplethinkthismakesporridgeboring,Ithink

thisiswhatmakesporridgeexciting!Itislikeablankpieceofpaper—youcanaddalmostanythingyouwanttotheporridgebase.G

reens,nutsanddriedfruitsareveryhealthyoptionstoaddandcangiveyouenergyfortheday.Butifyoudon'tlikethes

e,oryou'reallergic,thenhoneyandchocolatearealsoverytastyoptions.(Justdon‘taddtomuch!)Oneofthebestthingsab

outporridge?Youcanmakeitalmostanywhereintheworld.Eitheroatsorriceorbothare―staplefoods(主食)‖formanypeopleacrosstheworld.Youca

nusuallybuybigbagsofeither,thenaddlocalingredientstomakeyourporridgeinteresting—whateverischeapandconvenienttofind,where

veryouare.IamcurrentlyinMexico,andIlovetoheatmyoatsupwithmilk,thenmixinpeanutsandpumpkinseedsandcacaonibs,

andIputalayerofsugaroverthetoptomakemyporridgesweeter.Porridge?Hopefullyitsoundsalottastiernow!8．Accordingtotheauthor,whatisthebestthingaboutpo

rridge?A．Itprovideslong-lastingenergyfortheday.B．Itischeapandconvenienttomake.C．It'sabetteroptionfor

people.D．Itisneverboringandtasteless.9．Whatisthepurposeofthetext?A．Togivebriefintroductiontovariousporridge.B．Toshowhowtopr

epareporridgeforthepatient.C．Towarnusnottohaveporridgeforbreakfast.D．Tointroducethebenefitsofporridge.10．Whichofthefollowing

statementsisTRUE?A．Porridgeisoftenthicker,liquidandsolid.B．Porridgealonehasaverystrongflavor.C．Porridgeistomanypeople'sliking.D．Porridgeisonlyservedf

orbreakfast.11．What'stheauthor'sfavouriteflavor?A．PorridgewithSugar.B．Porridgewithoats.C．Porridgewithfruit.D．Porridgewithm

ilk.16.（2020届陕西商洛中学高三三模）Whenshewasstudyingtobecomeascientist,MeganStraussrodeinasmallairplanetostudygiraffes.Whileapi

lotflewovertheSerengetiinTanzania,Africa,theresearcherslookeddowncarefullyandcountedgiraffes."Iamalwaysamazedhow

easilywecanspotwarthogsandothersmallanimals,yetwesometimeshavetroubleseeinggiraffes.Giraffesareslende

rinshape,andtheymaynotthrowagoodshadow,"saysDr.Strauss,whohassincebecomeawildlifescientist.TheSerengetiisaboutthe

sizeofVermont,astateinthenortheasternUS,sothescientistscouldnotstudytheentirearea.Instead,theysurveyedthreeareaswheregiraffeswerestudiedinthe19

70s.Astheyexpected,theysawfarfeweroftheseanimals.Tofindoutiflionshadbeenkillingmoregiraffesinrecentyears,theteaml

ookedatthesurvivalofyounggiraffes.Lionskillmoreyounggiraffesthanadults,buttheteamfoundnodecreaseinyounggiraffes'

survivalaftertheyareborn,comparedwiththe1970s.Theteamthenlookedatwhethertoomanygiraffeswerebeingkilledbyparasit

es(寄生虫).Theresearcherscountedparasiteeggsingiraffedroppings,andtheyfoundtoofewtoharmthegiraffepopulation.The

ylookedintowhetherpoachers(盗猎者)werekillingtoomanygiraffes.Twooftheareastheystudiedarewheregiraffemeatissometimessoldinlocalmarkets.Poa

cherscatchmoreadultmalesthanothergiraffes.Researchersspottedtoofewmalescomparedwithfemalesinthosetwoareas,asignofpoaching.W

henthefoodsupplyisshort,theenvironmentsupportsfewergiraffesandthefemaleshavefeweryounggiraffes.AlotofnewtreeshavegrownintheSerengeti,

butmanyareatypethatgiraffesdonotliketoeat.Theresearchersfoundfeweryounggiraffestodaythaninthe1970scomparedwiththenumberofadultfemales,asign

thatfoodwasinshortsupply.Dr.StraussisworkingonanenvironmentaleducationprogramforTanzaniaincludingbooksforstudents.Thesemat

erialswilleducateTanzaniansandhelpthemtohelpgiraffes.Asknowledgegrowsandchangesaremade,theyhopethegiraffepopulationwillincrease.4．WhatdidD

r.StraussfindwhilestudyinggiraffesintheSerengeti?A．Itwastoocostlytostudygiraffes.B．Itwashardtospotgiraffesfromtheair.C．Thenu

mberofgiraffeshadincreasedslowly.D．Giraffeslivedinsmallerareasthaninthe1970s.5．Howdidtheteamstudythelion-girafferelationship?

A．Byanalyzinggiraffedroppings.B．Bycomparingyounggiraffeswithadults.C．Bycomparingmalegiraffesandfemales.D．Bysurveyi

ngthesurvivalofyounggiraffes.6．WhatisDr.Straussdoingtohelpgiraffes?A．SheisfoundinganationalparkinTanzania.B．SheiscountinggiraffesintheentireSereng

eti.C．Sheiseducatingstudentstowriteaboutgiraffes.D．Sheisraisingenvironmentalawarenessinlocalpeople.17.（2020届陕西商洛中学高三三模）Woodhasmanygr

eatcharacteristicsthatmakeittheperfectbuildingmaterial.Itischeap，durable(耐用的)，easilyavailable，andmost

importantly，environmentallysustainable.Theonethingitisnot，istransparent(透明的).NowthankstoateamofscientistsatStockholm'sKTHRoyal

InstituteofTechnology，thematerialmayevenbeabletoaddthatfeaturetoitsalreadyimpressivelist.LeadresearcherDr.LarsBerglundsaidhewas

inspiredtocreatethetransparentwoodafterlearninghowJapaneseresearchershaddevelopedasee-throughpaperforuseinflexibledisplayscreensforelectronicdevice

s.Theteambeganbypullingoutthewood'slignin(木质素).Thelignin-freewoodwasthendippedintoapolymer(聚合物)andbakedatatemperatureof158Fforfourhours.Theresultwa

sahybridproductthatwasnotonlystrongerandlighterthantheoriginalwoodbutalso，almosttransparent.Theresearcherswereabletoadjusttheleveloftransparencyby

varyingtheamountofthepolymerinjectedandalsobychangingthethicknessofthewood.Whilescientistshavepreviouslycreatedasee-throughwoodf

orsmall-scaleapplicationslikecomputerchips,hetransparentwoodisthefirstonebeingconsideredforlargescaleap

plications.Theresearchers,whorevealedtheirfindingsinBiomacromoleculesonApril11,pictureusingthetransparentwoodinbuildingstoallowform

orenaturallight,ortocreatewindowsthatletinthedesiredamountoflightwithoutsacrificingprivacy.Woodthatallowslighttopassthroughcouldleadt

oabrighterfutureforhomesandbuildings.Berglundalsothinksthewoodcouldplayasignificantroleinthedesignofsolarpanels.Thesemi-transparentmaterialwould

beabletokeeplightlongerandgiveitmoretimetointeractwiththeconductor,thusresultinginbettersolarefficiency.Add

itionally,substitutingthecurrentlyusedglasswiththisnewproductwouldhelpsolarenergymanufacturersimprovetheircarbonfootprintandlow

erthecost.Theyarenowexperimentingwithwaystoscaleupthemanufacturingprocesssothatthetransparentmaterialiscost-effectivetomakeandeasy

touse.7．Whatdoestheunderlinedpart"thatfeature"inParagraph1referto?A．Cheapness.B．Durability.C．Sustainab

ility.D．Transparency.8．Whichofthefollowingisnottheprocessinwhichthetransparentwoodismade?A．Dipthewoodintoapolymer.B．Reducetheamountofthepolymer.C．

Makethewoodlignin-free.D．Bakethewoodforsometime.9．Whichofthefollowingistrueaccordingtothetext?A．Berglundgottheideaoftranspa

rentwoodwhilemakingpaper.B．Varyingtheamountofthepolymerchangesthewood'shardness.C．Thecostofmakingthetransparentwoodstillneedstobecutdown.D．Thet

ransparentwoodwouldbeusedonlyforhomesandbuildings.10．Whatisthelastparagraphmainlyabout？A．Thebrightfutureofthetransparentwood.B．Thewood

'sroleinthedesignofsolarpanels.C．Thedisadvantagesofthecurrentlyusedglass.D．Solarenergymanufacturers'carbonfootprint.18.（2020届四川

省德阳市高三二诊）Hearinglossisunavoidable,butlisteningtoloudmusicwhenyou‘reyoungercanmakeitworse.Toreduceyourriskofhearinglossvi

aloudmusic,learnwhyandhowitcancausehearingloss,andjusthowloudistooloud.Hearinglossoccursinfourways:conductivehearingloss

,sensorineuralhearingloss,mixedhearinglossandauditoryneuropathyspectrumdisorder.Noise-induced(噪音诱发的)hearinglossisatypeofsensorineuralhearing

loss.Sensorineuralhearinglossoccurswhenyourinnerearbecomesdamaged.Inthecaseofnoiseinducedhearingloss,mostofthedamageaffectsthecellso

ftinysensoryhairsinyourinnerear.Whenthosecellsgetdamagedordie,theelectricalsignalthatyourauditorynervesendstoyourbrainchanges

.Noise-inducedhearinglosscanbeacuteorsevere,anditcanbetemporaryorpermanent.Youmightbefamiliarwithacutetemporarynoise-inducedhearinglo

ss,evenifyoudidn‘trealizewhatwashappeningatthetime.Acutetemporarynoise-inducedhearinglosscanoccurfromattendingaloudconcertorsportingevent,goin

gtoagunrangewithoutearmuffsorbeingnearanexplosion.Itcanmakenoisessound―stuffy‖orfaraway,especiallywhentalkingonthephoneorinacrow

dedroom.Repeatedexposuretothoseloudsituationscaneventuallyleadtopermanenthearingloss.Noiselevelsfromearbudsandheadphonescangetasloudas139decib

els,accordingtothejournalNoise&Health,fargreaterthantherecommendedrangeofeverydaysoundexposure,whichis60to85d

ecibels.Andtheaveragelevelofnoisefromheadphones,withthevolumeturnedallthewayup,is94to110decibels.Forcontext,60decibe

lsisaboutthevolumeofanaverageconversation,and130decibelsisaboutthenoiselevelofarockconcert.85decibelsisconsideredthemaxi-mumvolumeatwh

ichyoucanlistentosoundforeighthourswithoutdamagingyourhearing.Soifyouweretolistentomusicfromyourheadphonesforeighthoursaday,listen

ingatavolumelouderthan85decibelscancausepermanentdamagetoyourears.Unfortunately,therelationshipbetweendecibelsandtimeisn‘tlinear.Foreverythreedec

ibels,safeexposuretimegetscutinhalf,accordingtotheCDC．At88decibels,youcanonlysafelylistenforfourhours;at91decibels,justtwohours.32．Whatdoestheund

erlinedword‖it‖inParagraphOnereferto?A．Hearingloss.B．Listeningtoloudmusic.C．Risk.D．Loudmusic.33．Inwhichofthefollowingsituationsisacutetemporarynoise-

inducedhearinglossmorelikelytooccur?A．Attendingarockconcert.B．Participatinginaheateddebate.C．Goingtoagunrangewithearmuffs

.D．Watchinganexplosionatadistance.34．Intermsofsafeexposure,howlongcanyoulistenat97decibels?A．Aquarter.B．Halfanhour.C．On

ehour.D．Oneandahalfhours.35．Whichofthefollowingcanbethebesttitleofthispassage?A．LoudMusicDamagesHearing

B．HowtoPreventHearingLossC．HowLoudIsTooLoudD．MusicandHearing19.（2020届四川省高三第一次统一监测）TheGuidetoFilmFestivalsCannesFilmFestivalCannes,FranceinMayToppr

ize:Palmed‘OrHistory:ThefirstCannesFilmFestivaltookplaceinSeptember1939,butitdidn‘thappenagainuntilafterWo

rldWarII.ThePalmed‘Orprizewasintroducedin1955.Thefestivalbecameestablishedduringthe1960sandisnowknownastheworld‘smostimportantfi

lmfestival.Didyouknow?About20featurefilmscompeteeachyearforthePalmed‘Or.PreviouswinnersincludeMichaelMooreandQuen

tinTarantino.UnliketheOscars,thetopprizeisfrequentlysharedbetweentwofilms.FamousfilmsthathavewonthePalmed‘OrincludeApocalypseNow,TaxiDriver,LaD

olceVitaandTheThirdMan.Thefestivalattractsmorethan40,000peopleeveryyear.VeniceFilmFestivalVenice,ItalyinAugust/SeptemberTopp

rize:GoldenLionHistory:TheVeniceFilmFestivalistheoldestfilmfestivalstillinexistence.Thefilmfestivalwasin1932anditattracted

over25,000people.Thefestivaldidnotappearagainuntil1934,whentherewasacompetitionbetween19countries.Thefestivalwa

sheldthreetimesduringWorldWarIIandhasbeenheldalmosteveryyearsincethen.Didyouknow?Filmsatthe61stVeniceFilmFestivalin

2004werenominatedfor16awardsattheOscars—thehighesteverforthefestival.ThesefilmsincludedVeraDrake,SharkTale,CollateralandFindingN

everland.TheLondonFilmFestivalLondon,UKinOctober/NovemberTopprize:Non-competitiveHistory:TheLondonFilmFestivalstartedin

1956whenagroupoffilmcriticsledbythefamousDilysPowell,thefilmcriticforTheSundayTimes,gottogetheroverdinner.TheydiscussedthefestivalsatCannesandVenic

e,andtheyagreedthatLondonneededone,too.Theywantedtogivepeopletheopportunitytoseefilmsfromaroundthewo

rldthatwerenotbeingshowninthecinemas.Thefirstfestivalshowed20filmsattheNationalFilmTheatreontheSouthBank.Didyouknow?The

festivalisoneofEurope‘slargestpublicfilmevents,screeningabout280filmsfrom60countries.Althoughitisnon-competitive,theBritish

FilmInstituteawardstheSutherlandTrophytothemostoriginalandimaginativefirstfeaturefilmscreenedatthefes

tival.1．Wecanknowfromthetextthat________.A．theThirdManhaswontheGoldenLionB．thePalmed‘OrcanbeawardedtotwofilmsC．theCa

nnesFilmFestivalstartedafterWorldWarIID．thePalmed‘OrprizewasintroducedduringWorldWarII2．TheVeniceFilmFestival__________.A．di

dn‘tattractmanypeopleatfirstB．hasbeenheldeveryyearsince1934C．isregardedasthemostimportantfilmfestivalD．hasbe

enrunninglongerthananyotherfilmfestival3．WhatwasthepurposeoftheLondonFilmFestivalatthebeginning?A．Tomakesomefilmspublic.B．Tobringfilmcriticst

ogether.C．Tocompetewithotherfilmfestivals.D．Tochoosethebestoriginalfeaturefilms.20.（2020届四川省高三第一次统一监测）Isthereanyoneyouadmire?Nomatterwhatstageoflif

eyou‘reat,it‘sgoodtohavesomeonewhoinspiresyoutobethebestversionofyourself.Now,thankstosomespecialnationalawards,we

willhaveawiderrangeofpossiblerolemodels.Tocelebratethe70thanniversaryofthefoundingofthePeople'sRepublicofChina

(PRC),PresidentXiJinpingsignedapresidentialruleonSept.17toaward42individualstheMedaloftheRepublic,theFri

endshipMedalandvarioushonorarytitles,ChinaDailyreported.Thepeoplewhoreceivedmedalscomefromarangeofbackg

rounds9includingscientists,lawmakers,educators,artists,modelworkersandsixforeignnationals.Theyhaveallmadeoutstandingcontributionstothenation'sc

onstructionanddevelopment.The89-year-oldShenJilanisoneoftheeightpeoplewhowereawardedtheMedaloftheRepublic.Asalifelongfarmer,sheistheonlydeputy(代表)

inChinatoserveatall13NationalPeople‘sCongressessince1954.ShewitnessedthedevelopmentofthePeople‘sCongresssystem.Shehasbeenengagedinmakin

gandimprovingnationallawsmostofherlife.Itwasshewhoproposedtheclauseon―equalpayforequalwork‖betweenmenandwomen,whichwaswrittenintothe

firstConstitutionofPRCin1954.China‘sdevelopmentcan‘tcontinuewithoutlawmakers,norcanitmoveforwardwithoutscientists.YePeijian,whorec

eived,thehonorarytitle―thepeople‘sscientist‖,hasbeendevotedtoChina‘slunarprogramfortwodecades.Knownas―theFatherofChang‘eProbe

s‖,histeamofaerospaceengineersputlunarlandersonthemoon.OnJan,3ofthisyear,theChang‘e4probetoucheddownonthemoon‘sfarside,markingth

eprogram‘slatestachievement.―Thespaceprogramisabout40yearslatewiththeUS,butwehaveusedChinesetechnologyinourprogramme.‖heto

ldGBTimeswhenaskedaboutthelunarexplorationprogram.Alsoreceivingawardsaresixforeignfriendswhohavelenttheirhandstoassistwit

hChina‘sprosperity(繁荣).RaulCastroRuz,formerCubanpresident,wasgivenaFriendshipMedal.Thishonorrecognizes―therevoluti

onaryworkofhislifeandhiscontributiontostrengtheningrelationsbetweenCubaandChina‖,saidMiguelDiaz-CanelBermudez,presidentoftheCouncilofStateandCounc

ilofMinistersofCuba,onsocialmedia.Thankstotheheroiceffortsmadebythesegreatfigures,wecanliveinaprosperousandpeacefulcountry.Hopefully,theserolem

odelscanlightthewayforanewgenerationandinspirefuturepeopletocontributetonationbuilding.8．What‘sthewriter‘spurposetowritethearticle?A．Tosay

thankstonationalmodels.B．Totellreaderswhatmakesarolemodel.C．Todescribetheawardsrecentlygivenbythegovernment.D．Tointro

ducesomeofthepeoplewhowonnationalawards.9．WhatcanwelearnaboutShenJilanfromthepassage?A．Shehastakenanactivepartin

makingnationallaws.B．SheistheonlywomanawardedtheMedaloftheRepublic.C．ShefirstbecameadeputytotheNationalPeople'sCongress.D．Shehelpedtoimprove

workingequipmentforwomenin1954.10．WhatwasYePeijianawardedanhonorarytitlefor?A．ForhisdesignoftheChang‘e4probe.B．Forputtinglunarlandersonthe

moon.C．ForhisyearsofworkinChina‘slunarprogram.D．ForleadinghisteamtoexcelpasttheUSspaceprogram.11．WhatcanweknowaboutRaulCastroRuz

fromthetext?A．HehasintroducedChineseculturetoCuba.B．HehasmaderevolutionarychangesinCuba.C．HehashelpedimproveChina-

Cubarelations.D．HewastheonlyforeignerawardedtheFriendshipMedal.21.（2020届四川省高三第一次统一监测）Inrecentyears,peopleha

vebeenfocusingonthequalityoffoodthatchildrenarefedinschools.FormerFirstLadyMichelleObamaworkedhardtomakeschoolluncheshealthier,res

ultinginnewmenusthatfeaturedlessfatandsalt,morefruits,vegetables,andleanerproteins.Buthigh-qualitynutrientscountforlittlewhenthereisnot

imetoeatthemandlackoflunchtimeisaseriousprobleminschoolsacrosstheUnitedStates.AmyEttingerreports,―The

reisnonationalstandardonhowmuchtimekidsgettoeatthatmeal.‖Andwithschoolsbeingoccupiedwithtestscores,teachersareusingeveryava

ilableminuteforlessontime,whichoftenleaveskidswithoutenougheatingtime.Thisisaproblembecausethelengthoftheschoollunchperiodis

akeyfactorinhowmuchnutritionchildrenactuallyget.Aresearchhasfoundthathavinglessthan20minutesforlunchresultsinchildrenconsu

mingmuchlessoftheirlunchesthanthosewithmorethan20minutes.Thisisreallyterrible.Formanylow-incomekids,thatcafeterialunchcanrepres

enthalftheirdailyenergyintake.There‘salsoanotherterriblemessagethatit‘sacceptabletowolfdownfoodasfastaspossib

lebeforerushingofftoyournextclass.Cafeteriatimeshouldbeachancetointeractwithfriends,tolearnimportantsocials

kills,toobserveandsharevarietiesoffood.Itshouldbearespiteintheday,achancetorelaxmentallyandphysicallybeforeheadingintotheafternoon.AsEtti

ngerexplains,someparentsarehopingtheNationalParentTeacherAssociationwilladdressthisissueatitsnextmeetingandtakeanofficialstance.This,i

nturn,wouldhelpparentspushtheirkids‘schoolsforbetterlunchtimestandards.Meanwhile,ifyouhaveakidinthissituation,yo

ucanhelpbypackingahealthylunchtosparethemthecafeterialineup.Makethefoodseasytounwrapandeat,providenon-messysnacksthatcanbeeateninclass,puts

ignificanteffortintoservingaheartybreakfast,andsitdownasafamilyfordinnerwheneverpossible.12．Whatishappeningtochil

dreninAmericanschools?A．Theylackluncheatingtime.B．Theygetbadlyalongwitheachother.C．Theyconsumemoremeatthanbefore.D．Theyareoccupiedwithmany

outdooractivities.13．Howarelow-incomekidsinfluencedbytheproblematschool?A．Theycan‘ttakeinenoughnutrients

.B．Theycan‘tsharedifferentkindsoffood.C．Theycan‘tlearnsomeimportantsocialskills.D．Theycan‘tholdapositiveattitud

etowardslife.14．Whatdoestheunderlinedword―respite‖inParagraph4mean?A．Test.B．Challenge.C．Belief.D．Break.15．Howcanparentshelpsolvethep

robleminthetext?A．Byguidingtheirkidshowtoeatlunches.B．Bypreparingabetterlunchfortheirkids.C．Bystoppingtheirkidsgoingtothecafeter

ia.D．Byforcingtheschoolstomakeadjustments.22.（2020届四川省绵阳南山中学高考三诊）NewYorkisanoverwhelmingcitytovisitwithchildren.Wentfollowsiscarefullyco

llectedadvicefromNewYorkersonhowtocoverthecityright.TenementMuseumTheTenementMuseumontheLowerEastSideoffersafantastic

glimpseintourbanfamilylife.GuidedtoursrevealthedailyroutinesofgenerationsofIrish,JewishandItalianimmigrantswhomadetheirmarkthenquicklymove

dupandout.Pickupacopyof―All-of-a-KindFamily‖oravintagetoyinthemuseumshop,oneofthecity‘sbest.MoMaMuseumMoMaMuseumdoesa

nexcellentjobmakingmodernandcontemporaryartaccessibletochildrenasyoungas4.Onweekendmornings,guidedtour

saredividedintoage-appropriategroupsinwhichchildrencanobserveanumberofworksanddraw;latertheygainfreeadmittancetotheentiremuseum.Thecafe

teriaisbothgrown-upandchild-friendly,andthere‘sanartlaboratorywithhands-onactivitiesandevenanaudioguideforyoungpeople.IntrepidSea,AirandSpaceM

useumThemostsignificantinthemuseumistheSpaceShuttlePavilion,whichisscheduledtoreopeninJuly,showcasingtheEnterprise,NASA‘sfirstspaceshuttle,whi

charrivedlastyear.TheU.S.SIntrepid,aWorldWarII-eraaircraftcarrier,isworthwhileinitself.Whilethecomplexs

uffereddamageduringHurricaneSandy,mostofitsfacilitiesareonceagainshipshape.FamiliesmaywanttoconsiderOperationSlumber,whichal

lowsforovernightvisitswithspecialactivitiesforchildren6andolder.Children‘sMuseumoftheArtsAlltheartworkhereismadebychildren,andvi

sitorscanmaketheirown(bonus:youdon‘thavetocleanup).Anareaforyoungerchildrenincludessand,Play-Dohandguidedmusicactivities.Childrengobers

erkfortheBallPond,aclosed-inareaofoversizeballs.Isitexperientialart?Aninstallation?Childrenneednotbotherwithsuchimponderables.1．Wh

ichofthefollowingmuseumsofferfreeadmission?A．TenementMuseum.B．MoMaMuseum.C．IntrepidSea,AirandSpaceMuseum.D．Children‘sMuseumofArts.2．HowisChildren‘s

MuseumoftheArtsdifferentfromtheotherthreemuseums?A．Itprovidesactivitiesforchildrenofdifferentages.B．Itexhibitsaloto

fartwork.C．Itsartworkisallcreatedbychildren.D．ItusedtobedamagedintheHurricanSandy.3．Whatdothefourmuseumshaveincommon?A．T

heyareallchildren-friendly.B．Theyallshowvisitorscontemporaryartwork.C．Theycanoffervisitorsactivitiestotakepartin.D．Theya

reallsuitableforchildrenover4yearsold.23.（2020届四川省绵阳南山中学高考三诊）Ipassedmydrivingtestatthefourthattempt.YoumightthinkthatmeansI‘mnotassafeas

someonewhopassedforthefirsttime.Butwouldyoufeelsaferwithnodriveratall?Maybenot,andit‘sforthisreasonthatautomotivefirmsha

veincludeddriver-assistfunctionsintheirprototype(原型)driverlesscars.Thisallowsthehumandrivertotakeoverifthereisaproblem.Googleisonemanufa

cturerthathasprototypedriverlesscars.Thesehavebeenequippedwithsteeringwheelsandconventionalcontrolstoallownormaldriving.B

utthisisjustastage—thevisionistohavefullyautomatedcarsverysoon.ThedirectorofGoogle‘sself-driveproject,ChrisUrmson,hopeshis11-year-oldsonwillneverh

avetotakeadrivingtest.Toachievethat,thecarsneedtobeontheroadsinfiveyears.Hesaysdriverlesscarswillgreatlyreduceaccidentsandtrafficjams.AccordingtoC

hris,―about1.2millionpeoplearekilledontheroadsaroundtheworldeachyear.Thatnumberisequivalenttoajetfallingoutoftheskyeveryday.‖Hethinksgrad

ualchangestoexistingcardesignsarenotenoughtodealwiththeproblem.―Ifwearereallygoingtomakechangestoourci

tiesandgetridofparkinglots,weneedself-drivecars,‖hesays.Google‘sprototypeshavecoveredoveramillionkilometersontheroad.Theyhav

ealsohadtodealwithunexpectedsituations,suchasachilddrivingatoycarintheroad,andawomaninanelectricwheelchairchasingaduck.Ineachcase,they

reactedsafely.Somearenotconvinced.SevenBeikerofStanfordUniversitythinksdriverlesscarswillstillneedhumaninputinextreme

circumstances.Healsoworriesthatpeoplemayforgethowtooperatetheirvehiclesiftheydonotdoitregularly.―IguessIshouldn‘tthro

wawaymydriver‘slicensejustyet,‖hesays.4．Whatcanbeknownaboutdriverlesscars?A．Theyarefittedwithnewly-developedsteeringw

heels.B．Theyincludefunctionsmanagedbyhumandrivers.C．Theyneedtraditionalcontrolstoavoidtrafficjams.D．Theywillbepurchas

edonthemarketinfiveyears.5．WhatcanwelearnfromwhatChrissaid?A．Chrisbelievesthatthereisapossibilityofajetcrashingperday.B．About1.2millionpeoplearekill

edaroundtheworldeachyear.C．Changingcurrentcardesignsalonecannotpreventalltrafficdeaths.D．Driverlesscarscannotdealwithextremecircumstanceswithouthu

manhelp.6．What‘stheattitudeofSevenBeikertowardsdriverlesscars?A．Approving.B．Cautious.C．Neutral.D．Hopeful.7．Whatdoesthep

assagemainlytalkabout?A．Whyweneeddriverlesscarsinthenearfuture.B．Howtocontroladriverlesscarwithoutadriver‘slicense.C．Differ

encesbetweendriverlesscarsandconventionalones.D．Abriefintroductionofdriverlesscarsandsomeopinionsonthem.24

.（2020届四川省绵阳南山中学高考三诊）Ifyouhaveeverhadacat,orhavewatchedoneofthemanyfunnycatvideosonline,you‘llknowthatcatshaveamindoftheirown.Alotofthethings

theydoarehardtounderstand---theyliketoclimbuptallfurniture,fitthemselvesinsmallspacesandattacksmallobjectsfornoreasonatall.Nowscientistshave

managedtofigureoutwhatexactlyisgoingoninthebrainsofourlittlefriends.AccordingtoTonyBuffington,aprofessoratOhioStateUniversi

tyintheUS,cats‘strangebehaviorlargelycomesfromtheirwayoflifebackinthewild.―Catstodaystillhavemanyofthesameinstinc

ts(本能)thatallowedthemtoliveinthewildformillionsofyears.‖hesaidinaTEDTalk.―Tothem,ourhomesaretheirjungles.‖Inthewild,catsarehunters.Theirbo

diesandgreatbalancingabilitiesallowthemtoclimbtohighspotstobetterlookattheenvironment.Eventhoughtheydon‘thavet

ohuntanymoreinhumanhouses,theystillkeeptheoldhabitofviewingthelivingroomfrom,forexample,thetopoftherefr

igerator.Cats‘huntinginstinctisalsowhatmakesthemattacksmallthingslikekeysandUSBdrives.Inthewild,theyhuntwhatevertheycanget,andmostoftheani

malstheykillaresmall.However,catscanalsobeprey.Thisexplainswhytheyliketostayinsmallspaceslikedrawersorwashingmach

ines---theyarehiding,ortheythinktheyarehiding,frommoredangerousanimals.Thisisalsowhycatspreferacleanbox:asmellyonecould

easilyshowenemieswheretheyare.Knowinghowcats‘mindsworkisnotonlyusefulforbetterunderstandingthem.Itmayalsohelpcats‘ownerstobettermee

tcats‘needs.Forexample,ownerscouldtrytomakeclimbingeasierforcatsbymovingtheirfurniturearound.Theycou

ldalsouse―foodpuzzles‖tomakeeatingfeelmorelikehuntinginsteadofjustgivingfoodtothecats.8．AccordingtoTonyBuffington,________.A

．cats‘strangebehaviorishardforpeopletounderstandB．catsaremoreusedtolivinginthewildthaninhumans‘homesC．catsbehavestrangelymainlybecauseofsomeinsti

nctsinthewildD．cats‘instinctsareashelpfultothemtodayastheyweremillionsofyearago9．Whichofthefollowingstatement

sisTRUEaccordingtothetext?A．Catsliketoclimbuphighbecausetheywanttohidefromdangerousanimals.B．CatsattackkeysandUSBdrivesbe

causetheyhaveahabitofhuntingsmallanimals.C．Catsenjoystayinginsmallspacesbecausetheyusuallyliveinsmallcavesinthewild.D．Cats‘preferenceforaclea

nboxprobablyhassomethingtodowiththeirhuntinginstincts.10．Theunderlinedword―prey‖inParagraph5probablym

eans_________.A．ananimalthatistoolazyB．ananimalthatlikeshidinggamesC．ananimalthatkeepsitselfcleanD．ananima

lthatishunted11．Thisarticleismainlywrittento_________.A．explorethereasonsbehindcats‘strangebehaviorB．describecats‘pastw

ildexperiencetoreadersC．tellcatownershowtomakelifeeasierforcatsD．comparecats‘behaviorinhumanhomeswiththatinthewild25.（2020届四川省绵阳

南山中学高考三诊）TeenagerswhochecksocialmediaforseveralhoursadayareattheriskofdevelopingADHD(多动症),astudyhasconcluded.Theresearchteam,fromthe

UniversityofSouthernCalifornia,tracked2,600teenagersaged15and16.Theyaskedthemhowmanytimestheycheckedtheirphonesandothe

rdigitaldevicesforvariousreasons,andthenmonitoredthemforsymptomsofADHD．Aftertwoyears,thosewhohadcheckedtheirphonesthemosto

ftenweretwiceaslikelyasthosewhocheckedtheleastoftentoshowsignsofADHD．WritingintheJAMAmedicaljournal,thescientistss

aid,―Modernmediadevicesimmediatelyinformuserswhennewtextmessages,socialmediapostings,orvideogameplayinvitationsar

rive.Exposuretosuchinformationmaydrawattentionawayfromimportanttasks.Frequentdistractioncouldinterruptthedevelo

pmentofconstantattentionandorganizationskills.‖Theybelieveconstantaccesstoinstantentertainmentalsohasanimpact.Resea

rcherProfessorAdamLeventhalsaidallpreviousresearchhadfocusedonthelinkbetweenADHDandtelevisions.―What‘snewisthatp

reviousstudiesonthistopicweredonemanyyearsago,whensocialmedia,mobilephones,tabletsandmobileappsdidn‘texist.Wecansaywithconfidencethatteensw

hoareexposedtohigherlevelsofdigitalmediaaresignificantlymorelikelytodevelopADHDsymptomsinthefuture,‖hesaid.Leventhalbelievesthefindingshelpfillagapin

understandinghownewmobilemediadevicesandseeminglylimitlesscontentposeamentalhealthriskforchildren.Andthefindingsserveasawarning.Britishscientist

swelcomedthefindings.ButProfessorAndyPrzybylskioftheOxfordInternetInstitutesaid,―Thestudyreliesonsurveyresponsesprovidedby

thestudentsinquestion.Itisnotclearifteachersorparentswouldratethechildrensimilarlyoriftheself-reportedmeasureofdigitalscreenuseisrelated

witheitheractualbehaviororhigherqualitysurveyitems.‖12．Howdidtheresearchersconductthestudy?A．Bymonitoring2,600teenagerswithADHD．B．B

ytrackingtheparticipantsfortwoyears.C．Byanalyzingdatafrompreviousresearchesonline.D．Bycontrollingdifferentteens‘timespentonsocial

media.13．WhatdoesLeventhalthinkoftheexposuretohigherlevelsofdigitalmedia?A．ItwillcausediverseADHDsymptoms.B．ItwillcreatehigherADHDrisks.C．Itwillweak

enteenagers‘confidence.D．Itwillhaveamajorinfluenceonorganizationskills.14．WhatdoesProfessorAndyPrzybylskithinkofthestudy?A．

Itprovidesabetterunderstandingofthemedia.B．Itshouldhavefocusedonparents‘responses.C．Itsfindingsarenotreliableenough.D．It‘sabreakthroughinthisfiel

d.15．Whatcanbeasuitabletitleforthetext?A．TheuseofdigitalmediaisontheriseB．Teensareincreasinglyexpose

dtoADHDC．HeavyuseofsocialmediamayincreaseADHDrisksD．Teens‘exposuretomodernmediacallsmoreattention26.（2020届四川省绵阳市高

三第三次诊断性考试）ThesloganfortheCulturalHeritageandSustainableDevelopmentFundis"InLoveWithChina"-andthisspec

ialmessagehasbcenshowninitsownlogo.Thelogousesthecharactersfor"wind"and"phoenix"(风凰）inancientoraclebonescript(甲骨文）onacircul

arChinesefan.MadamKangJiaqi,theexecutivedirectorofCHSDF,INLOVEWITHCHINAexplainsthemanylayersofmeaningbehindthelogo:―Thelogoadoptsthewritingstyleofora

clebonescript-datingbackover3,000years-carvedontoeitherturtleshelloroxbones.＂TheChinesecharacterfor*wind'a

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

enix'waswidelyconsideredtobringpeaceandhappinessandrepresentsgoodfortune.Thecharacter"wind'hasalonghistoryandisalsoknownasanamerepre

sentingcultureandspiritualpower."＂Boththecharacters"wind'and'phoenix'sharethesamecomponentintheircharacters,whichisalsouse

dintheslogan'InLoveWithChina'.Thisextraordinarycombinationrepresentshowexpertsleadfashion,whichintumleadsculture-andthatcultureisth

ebasisofcreativity.Therefore,itrepresentstheimportanceoftraditionalChinesecultureinglobalcreativity.＂TakingtheChineseoraclebonecharacterof"wi

nd'and'phoenix'asourlogorepresentsthebeginningofChinesecivilization,whichsuggeststhatitcanpassonChinesecult

urethroughthecooperationbetweentheCHSDFandthecooperativeplatformofglobaldesigners,"explainsJiaqi.LogoartistSamChungsimilarly

explainsherdesignprocess,"Thedecisionoftheoraclebonescriptof'wind'comesfromtherootofthecharacteritself.Originatedfromthecharactershape

of'phoenix,''wind's'oraclebonescriptstillpresentswonder,despiteitsmorecircularshape.Thethreetassels(流苏）attheendofthemoon-shapedfanfurtherg

iveafeelingoflightnesswhilehintingatbothEasternandWesternflavors."8．Whatdoweknowaboutthelogo?A．It'scarvedonturtleshells.B．It'sdra

wnoncircularChinesefans.C．It'sdesignedinanewwritingstyle.D．It'sacombinationoftwosimilarcharacters.9．Whyare'wind'and'phoenix'chosen?

A．Theyareeasilywritten.B．Theysymbolizegoodfortune.C．TheyrepresentChineseculturalandspiritualpower.D．Theypromoteglobal

creativitybasedonChineseculture.10．Whatcanbeinferredfromthelastparagraph?A．SamChungistheactualdesignerofthelogo.B．Theideaforthelogocomesfromabro

ad.C．Thedirectorhaslittlesayinthedecision.D．Tasselsaresymbolofwesternculture.11．What'sthepassagemainlyabout?A．Chineseinfluence

ontheworld.B．ThemakingofthelogoforCHSDF.C．Chinesecultureandcivilization.D．Chinesecharacters'wind'and'phoeni

x'.27.（2020届四川省遂宁市高三第二次诊断性考试）Inthelastfewyears,companieslikeoBikehavebegunfloodingstreetsinplaceslikeJapanandAustraliawithbikes.BusinessmanMi

keThanTunWinrealizedthesebikescoulddomuchgoodforschoolchildreninMyanmar,ofwhomsomewalkanhourormoreeverydaytoschool.Thenhecr

eatedLessWalkwhichbuysupthebikesfromothercountries.LessWalkmodifies（改装）bikestomakethemmoreusefulforstudents.Therentalbikes

usedtorequireasmartphoneapptounlockthem.LessWalkchangedthisforalockwithakey.Theyalsoaddedasecondseatintheba

ckofthebikes,allowingtwochildrentoridetoschoolononebike.Recentlythey‘rereplacingthebike‘sregulartireswithasolidtirethatca

n‘tgoflat.Withallthechanges,eachbikepackedattractivelycostsLessWalkabout$35.―Despitethecost,thebenefitsitcandeveloparewellworthtrying,‖Th

antoldTechCrunch.TheprojectboughtthousandsofrentalbikesfromfailedcompaniesandshippedthemtoMyanmar.Theprocesswasn‘taseas

yasitsounds—therewaslotsofpaperworkconcernedinmovingthebikesfromonecountrytoanother.Butgivingoutthebikestakesalittlelonge

rgiventhatLessWalkwantstomakesurethatthebikesgo,forfree,tothestudentswhoneedthemthemostandMyanmarhasapopulationofover50millionpeopleandmorethan

ninemillionstudents.TheprojectisworkingwithMyanmar‘sgovernmentandschoolsystemstofocusonpoorstudentswalkinglongdistancesadaytosc

hool.Thanhopestobringinasmanyas100,000bikesandexpandtheprogramtoothercountrieslikeLaosandCambodia.Thanisalsohopefu

lthathecaninspire―globalfriends‖tofollowhimtoputtheabandonedbikestowork,insteadofcreatingyetmoreurbanwaste.4

．HowmanymodificationsdoesLessWalkdotothebikes?A．2.B．3.C．4.D．5.5．Whydoesittakelongertodonatetherecycledbikes?A．Shippingthebike

sissodifficult.B．There‘retoomanypoorstudents.C．Thebikesneedpackingcarefully.D．Targetedbikedonationisneeded.6．Whichcanbestd

escribeThanTunWinastheleaderoftheproject?A．Ambitious.B．Encouraged.C．Well-experienced.D．Nature-loving.7．Whatca

nbeasuitabletitleforthetext?A．RemovalofUrbanRubbishB．RecycleofDonatedBikesC．BenefitsbeyondtheCostD．Students‘NewVehic

les28.（2020届四川省遂宁市高三第二次诊断性考试）There‘sawell-knownstoryintheworldofliterarytranslatorsaboutthetranslatorwhowasthrille

dtoseehisworkappearatgreatlengthinanarticleinapopularmagazine.Hehadtranslatedmanynovelsbyalittle-knownScandinaviannovelist,whohebelieve

dhadbeenignoredandnotreceivedtheattentionorpraisethenovelistdeserved.Hehaddevotedmuchtimetotryingtogetthisnovelistsomerecognition.Th

earticleagreedwithhisassessmentofthenovelist‘sworksmentioninglongpassagesfromhistranslations.Butsomethingwasmissing.Thetranslatorsearchedinvainforam

entionofhisname.Itdidn‘tappearanywhere.Thetranslator‘sjoyatthecoverage（报道）oftheauthorhelikedwasconsiderablyruinedbythis.Hefeltthathehimselfs

houldhavehadsomerecognitioninthearticle.Itwasasifthetranslatordidnotexist,andalltheeffortshehadmadehadneverhappened.Mostpeoplew

ouldagreethatitwaswrongofthemagazinenottomentionthetranslator.However,itisalsotruethatmostreadersthemselvesoperateinexactlythe

sameway,andforthemitisalsoasifthetranslatordidn‘texist.Whenpeoplereadatranslationofanovel,theywanttofeeltheyarereadingwhatthenovelist

,andnotsomeoneelse,wrote.Theydon‘twanttoberemindedthattheyarenotreading,andwouldnotbeabletoread,theoriginaln

ovelcreatedbythenovelist,notwishingtoknowwhothetranslatorwasorpayanyattentiontowhattheyhavedone.Inthisglobalage,moreandmoreworksoffictionar

ebeingtranslatedintomoreandmorelanguages.Readersarenowabletoexperienceandunderstandotherculturesmorethaneverthroughtheread

ingoftranslatednovels.Sotheworksofmoreandmorenovelistscanreachpeopleinotherpartsoftheworld.Thisappliesnotonlytonewnovelsbu

talsotofreshtranslationsofoldclassics.8．WhatcanweknowaboutthetranslatorinParagraph1?A．Hisopinionwasshar

edbythemagazine.B．Thenovelist‘sworkswerehisfavourite.C．Heoftensentarticlestothemagazine.D．Thenovelistgo

tfamouswithhishelp.9．Howdidthetranslatorfeelwhenhelookedcloselyatthearticleinthemagazine?A．Regretful.B．Proud.C．Upse

t.D．Skeptical.10．Whatisthethirdparagraphmainlyabout?A．Thecontributionsofnoveltranslators.B．Thegeneral

attitudetowardstranslators.C．Thereaders‘differenttastesinliterature.D．Theimportanceofreadingoriginalworks.11．Whatdoestheautho

rstresswhentalkingabouttheglobalage?A．Theshortageofablenoveltranslators.B．Thenumberofreadersoforiginalworks.C．Thevalueofnovelsindifferentcou

ntries.D．Thevarietyoffictionavailabletoreaders.