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1、阅读短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项。Nowsatellitesarehelpingtoforecast（预报）theweather.Theyareinspace,andtheycan

reachanypartoftheworld.Thesatellitestakepicturesoftheatmosphere（大气）,becausethisiswheretheweatherforms（形成）.Theysendthesepicturesto

theweatherstations.Someteorologists（气象学家）canseetheweatherofanypartoftheworld.Fromthepictures,thescientistscanoften

sayhowtheweatherwillchange.Today,nearlyfivehundredweatherstationsinsixtycountriesreceivesatellitepictures.Wh

entheyreceivenewpictures,themeteorologistscompare（比较）themwithearlierones.Perhapstheymayfindthatthecloudshavechangeddu

ringthelastfewhours.Thismaymeanthattheweatheronthegroundmaysoonchange,too.Intheirnextweatherforecast,themeteorologistscansaythis.So

theweathersatellitesareagreathelptothemeteorologists.Beforesatelliteswereinvented,thescientistscouldforecas

ttheweatherforabout24or48hours.Nowtheycanmakegoodforecastsforthreeorfivedays.Soon,perhaps,theymaybeabletoforecastthew

eatherforaweekormoreahead（提前）.1.Satellitestravel_____________.A.inspaceB.intheatmosphereC.abovethegroundD.abovespace2.

Whydoweusetheweathersatellitestotakepicturesoftheatmosphere?Because__________.A.theweathersatellitescando

iteasilyB.cloudsformthereC.theweatherformsthereD.thepicturescanforecasttheweather3.Meteorologistsforecasttheweather______

____.A.whentheyhavereceivedsatellitepicturesB.aftertheyhavecomparednewsatellitepictureswithearlieronesC.beforetheyreceivedsatellitepic

turesD.duringtheystudysatellitepictures4.Maybewe’llsoonbeabletoforecasttheweatherfor________.A.onedayB.twodaysC.fivedaysD.sevenda

ysorevenlonger5.Themain（主要的）ideaofthispassageisthatsatellitesarenowusedin_________.A.takingpicturesoftheatmo

sphereB.receivingpicturesoftheatmosphereC.doingotherworkinmanywaysD.weatherforecasting2、Atpresent,toomuchcarbondioxide(二氧化碳)makestheearthwarmera

ndwarmerandcausesterribleeffecttohumanbeings.Tosaveourplanet,tosaveourselves,anewlifestylecalledlow-carbonlife(低碳生活)becomespopular.

Lowcarbonmeanslowenergyandnowaste.Itisnecessaryforeverybodytolearntolivealow-carbonlife.Tolivealow-carbonlife,we’dbettersaveenergyasp

ossible.TurnoffthelightsandTVwhenevertheyarenotneeded.Ifpossible,usecoldwatertowashclothesordishes.Takeashortshowerandt

rytotakeacoldonewhentheweathergetswarm.Don’tdothecookingwithelectricity.Tolivealow-carbonlife,weshouldeatlessmeat.Everybodyknowseatingtoomu

chmeatmakespeoplefatandeasytohaveheartdisease,butmaybeyoudon’tknowkeepinganimalsforfoodproducesevenm

orecarbondioxidethanallthecarsintheworld,andbeingavegetariancanhelpreduceoneandahalftonsofcarbondioxideayear.Maybeitisalittled

ifficult,butit’sreallynecessary.Tolivealow-carbonlife,wearesupposedtodolessshopping.Whenwegoshopping,wemaydriveacaro

rtakeothertransportations.Ontheonehand,thesemachinespollutetheairandwasteenergy.Ontheotherhand,mostofusalwaysbuysomeuselessthingsbecauseofsomeadvert

isements.Itisnotonlyawasteofmoneybutalsocausestroubletotheearth,becauseasyouknow,makingeverythingwillproducecarbondiox

idemoreorless.Therearemanyotherwaystolivelow-carbonlife,suchasrecyclingthings,plantingtreesandreusingtextbooks.Ifweca

nkeepitahabitinourdailylife,theearthwillbecomeasaferplanetforustoliveon.根据短文内容，选择正确答案。()1._____makestheweatheronthe

earthgetwarmer.A.LittlerubbishB.AwasteofmoneyC.ToomuchcarbondioxideD.Awasteofwater()2.Wecan_____tosaveenergyinou

rdailylife.A.uselesselectricityB.gotosleepwithlightsonC.washclotheswithhotwaterD.drivecartowork()3.Theunderlinedword“it”inthethirdparagraphmeans____

_.A.eatinglessmeatB.havingheartdiseaseC.keepinganimalsforfoodD.eatinglessvegetables()4.Weshoulddolessshoppingbecause_____.A.wastingmoneycaus

estroubletopeopleB.theadvertisementsaresometimesmisleadingC.thelessyoushop,thelesscarbondioxidewillbeproducedD.someofthethingsyouboughtareu

seless()5.Ifeverybodylivesalow-carbonlife,_____.A.wewillwastemoreenergyB.therewillbelesscarbondioxideC.theearthwillbe

comeadangerousplacetoliveonD.therewillbemorecarbondioxide3、It'slateeveninginthemiddleofthewinter．Thesnowisdeep，butoffIgointothe

wild．Suddenly，Ihearit：thehowl（嚎叫）ofwolves．Excitedly，Iwalkfasterinthedirectionofthehowling．I'vebeenworkingasavolunteerwolftrackerinYell

owstoneNationalParkforoverayear．It'smyjobtofollowwolvestorecordinformationaboutthem．Likewolves，however，Idon'tworkalone．I'moneofatea

mofpeoplewhohavebeeninaprojecttohelpreintroducewolvestothepark．Humanshavealwaysfearedwolves．Fromfairyta

lestomovies，thewolfisalwaysthebadguyadangertohumansandotheranimals．Inthe1920s，theorganizersoftheparksha

redthisviewaboutwolvesandmadethedecisiontodrivethemawayfromthepark．Asaresult，thenumberofelk（麋鹿）intheparkincreased．Theelkstartedlookingforfoodnearr

iverbankssincetheydidn'thavetoworryaboutwolves．This，inturn，stoppedtreesfromgrowingalongtherivers，doinggreatharmtotheenvironmentthere．Thereturn

ofwolveshasalreadymadeabigdifference．Tobeginwith，theelksoonlearnedtostayawayfromtherivers，sonewtreeshavebeenabletogrowt

here．Thetreesbecomehometonewwildlife，suchasbirds，andprovidefoodformoreanimals．Theparkisnowbecomingmoreandmorep

opularwiththosewhowanttoseewolvesintheirnaturalenvironment．Ithasalsohelpedthelocalpeoplemakemoremone

y，Touristsvisitthearea，stayinthelocalhotels，andeatinthelocalrestaurants．Lookingatthewildanimalsandthebeautifulsceneriesaroundme，Iamamazedatt

hechangesthewolfhasmadetoYellowstone．Andhappily，itisplayingagoodguyinthisstory．（1）Accordingtothepassage，o

neofawolftracker'sjobsisto．A．catchwolvesintheparkB．feedwolvesinthewildC．stopwolvesfromkillingelkD．collect

informationaboutwolves（2）Whydidtheorganizersdrivethewolvesawayfromtheparkinthe1920s？A．Thewolveswerealwayshowlingatnight．B．Theelkintheparkwereinda

ngerofdyingout．C．Thewolveshaddonegreatharmtotheenvironment．D．Theparkwasthoughttobeunsafewithwolvesaround．（3）P

aragraphs4and5aremainlyaboutthethatwolveshavebroughttoYellowstone．A．risksB．troublesC．changesD．competitions（4）Whatdoest

hewritermeanbytheunderlinedsentenceinthelastparagraph？A．WolvesareimportanttoYellowstone．B．Yellowstonehasbeenhometowolves．C．Thewol

fandtheelkliveinpeacenow．D．Thenumberofwolvesisgrowingfast．4、What’saspacewalk?Anytimeanastronautgetsoutofaspacecraft(航天器)whileinspace,itiscalledaspa

cewalk.Astronautsgoonspacewalksformanyreasons.Forexample,experimentscanbeplacedontheoutsideofaspacecraft.Thislet

sscientistslearnhowbeinginspaceaffects(影响)differentthings.Bygoingonspacewalks,astronautscanalsofixthingsinsteadofbringingthembacktotheearthtof

ix.Whenastronautsgoonspacewalks,theywearspacesuitstokeepthemselvessafe.Insidespacesuits,astronautshavetheoxygen(氧气)theyneedtobreat

heandthewatertheyneedtodrink.Tokeeptheastronautsandthespacecraftsafe,theastronautsmustleaveandgobacktothespacecraftthroughaspecialdoor.Whenonaspacewa

lk,astronautsusesafetytetherstostayclosetotheirspacecraft.Tethersarelikeropes,connectthespacewalkers

withthespacecraft.Theykeepastronautsfromfloating(漂浮)awayintospace.AnotherwayastronautsstaysafeduringspacewalksisbywearingaSAF

ER.SAFERiswornlikeabackpack.Ithelpsanastronautmovearoundinspace.Howdoastronautstrainforspacewalks?Onewayisbygoing

foraswim.Floatinginspaceisalotlikefloatinginwater.Astronautspracticespacewalksunderwaterinahugespecialswimmingpool.Foreveryonehourtheywillspendon

aspacewalk,astronautsneedtotrainsevenhoursinthepool.Anotherwayastronautspracticeforaspacewalkisbyusingvirtualreal

ity(虚拟现实).Itlooksandfeelsjustlikeaspacewalk.Today,onlythreecountrieshavefinishedspacewalksindependently.TheyareRussia,theU

nitedStatesandChina.ThefirstpersontogoonaspacewalkintheworldwasAlexeiLeonovfromRussia.ZhaiZhigangisthefirstChinese

astronauttogoonaspacewalk.TheworldrecordofspacewalksisheldbyRussianastronautAnatolySolovyev.Hehasbeenon16space

walksandspentmorethan82hoursoutsideinspace.26.Aboutthespacewalk,wecanknow__________.A.somethingscanbefixedbyastronautsduring

spacewalksB.allexperimentsmustbeplacedontheoutsideofaspacecraftC.anastronautcangetoutofaspacecraftanytimewhileinspaceD.aspacewalkletsscient

istslearnhowbeinginspaceaffectsdifferentthings27.Howmanywaystokeeptheastronautssafeduringspacewalks?A.Two.B.T

hree.C.Four.D.Five.28.What’sthemeaningoftheword“tethers”inParagraph2?A.吊篮B.系绳C.笼子D.钩子29.Astronautstrainforspacewalksby__________.A.floatinginspaceB.

usingvirtualrealityC.goingonspacewalksoutsideaspacecraftD.traininginwaterinacommonswimmingpool30.Accordingtothepassage,whichisNOTtrue?A

.Chinacanfinishaspacewalkindependently.B.Astronautscanbreatheanddrinkinspacesuits.C.Astronautscanmove

aroundinspacewiththehelpofSAFER.D.AnatolySolovyevisthefirstpersontogoonaspacewalkintheworld.二、阅读填空（共1题）1、HaveyouseenAvatar（《阿凡达》）?It’sapopular3Dmo

vie,andyoumayhavetowear3Dglassestoseeit.The3Dglassesmaketheimages(图像)fromthemovielookasiftheywerecomingstraighttowardsy

ou.Moreandmore3Dmoviesarecomingtotheaters.Somesaythat3DTVsetswillcomeintoourhomesinthenearfuture.3DtechnologycanmakeTVan

dmoviesaremoreexciting.However,peoplewitheyeproblemsmaygetheadachesiftheyspendtoomuchtimewatching3Dmovies.Why?Whenwel

ookatanobject(物体),eacheyeseesitatadifferentangle(角度).Oureyessendthetwoimagestoourbrain(大脑),andthebrainputsthemtogether.3Dtechnologyusestwof

ilmprojectors(投影机).Oneprojectsaleft-eye-imageandtheotherprojectsaright-eye-image.3Dglassesallowustoseeadifferentimageineacheye.So,

whenwearewatchinga3Dmovie,ourbraincan’tputtogethertheimagessenttooureyes.Thebrainneedstoworkharderat“reading”theimages.Thatmakesiteasierfo

rpeoplewitheyeproblemstogetdizzy(头晕的)orhaveheadaches.Afamouseyedoctorsaidifyoureyescan’tfocus(聚焦)onthesameobjectatonce,youwillhavetroublewatching3Dmo

vies.根据短文内容，选择正确答案。()1.Accordingtothepassage,Avatarisa______.A.digitalcameraB.digitalTVsetC.3DmovieD.4D

movie()2.The3Dglassescanmaketheimagesfromthemovie______.A.lookmorebeautifulthanusualB.lookasiftheywerecomingstraightt

owardsyouC.lookasiftheywerefarawayfromyouD.lookmoreclearthanusual()3.Peoplewillhave______intheirhomesinthenearfuture.A.3DcomputersB.

3DphonesC.3DmoviesD.3DTVsets()4.Whenwelookatanobject,______.A.eacheyeseestheobjectatthesameangleB.ou

rbrainputsthetwodifferentpicturestogetherC.therewillbetwofilmprojectorsinoureyesD.ourbraincan’tputtogethertheimagessenttooureyes(

)5.Ifyouwearapairof3Dglasses,______.A.youwillseedifferentimagesinbotheyesB.yourbraincan’tworkatallC.theimagescanbeputtogetherea

silybyyourbrainD.ourbraincanputtheimagestogether============参考答案============一、阅读理解1、1-5ACBDD2、1—5CAACB3、DDCA【分析】本文讲述了对人类和其他动物构成巨大威胁的狼却对维护黄

石公园的的生态平衡起着重要作用．（1）D．细节理解题．根据第二段第2句"It'smyjobtofollowwolvestorecordinformationaboutthem．"可知我的工作是跟踪狼并且记录他们的信息．故选D．（2）D．细

节理解题．根据第三段第2、3句"Fromfairytalestomovies，thewolfisalwaysthebadguyadangertohumansandotheranimals．Inthe1920s，theorganizersoftheparksharedthisv

iewaboutwolvesandmadethedecisiontodrivethemawayfromthepark．"可知从童话故事到电影，狼总是对人类和其他动物构成威胁的坏人．在20世纪20年代，公园的组织者分享了对狼的这种看法，并决定将它们赶出公园．故选D．（3）C．归纳概括题．根据

第四段第1句"Thereturnofwolveshasalreadymadeabigdifference．"可知狼群的回归已经带来了很大的改变．故选C．（4）A．推理判断题．由本句上文"IamamazedatthechangesthewolfhasmadetoYellow

stone"可知我很惊讶狼对黄石公园所做的改变．由此推断狼对维护黄石公园的的生态平衡起着重要作用．故选A．【点评】阅读理解题要求先理解文章大意，浏览题干后带着问题到文中寻找相关内容从而得出答案．本题多为细节理解题，在文中很容易找到答案．而推

理判断题则需要根据题干找出相关语境，在理解语境的基础上经过推理得出答案．4、26.A【解析】推理判断题。根据experimentscanbeplacedontheoutsideofaspacecraft可知，实验可以放在航天器的

外部，而不是所有的实验都必须都放在航天器的外部，排除B；根据Anytimeanastronautgetsoutofaspacecraft(航天器)whileinspace,itiscalledaspacewalk可知，任何时候宇航员在太空中走出飞船被叫做太空漫步，而不是宇航员在太空中任何时候

都可以从宇宙飞船中出来，偷换概念，排除C；根据Forexample,experimentscanbeplacedontheoutsideofaspacecraft.Thisletsscientistslearnhowbeinginspaceaf

fects(影响)differentthings可知，实验可以在航天器的外部这件事可以让科学家知道太空是如何影响不同的事物的，排除D；根据Bygoingonspacewalks,astronautscanalsofixthingsinsteadofbringingthembacktoth

eearthtofix可知，通过太空行走，宇航员可以修东西而不用将他们带回地球修，故选A。27.C【解析】细节理解题。根据Whenastronautsgoonspacewalks,theywearspac

esuitstokeepthemselvessafe、Tokeeptheastronautsandthespacecraftsafe,theastronautsmustleaveandgobacktothe

spacecraftthroughaspecialdoor、Whenonaspacewalk,astronautsusesafetytetherstostayclosetotheirspacecraft以及Anotherwayastronautsstaysafeduringspacewalksis

bywearingaSAFER可知，宇航员可以穿航天服、通过一个特别的门离开和返回航天器、用安全绳或者穿舱外活动简便救援装置，共四种，故选C。28.B【解析】词义猜测题。根据Whenonaspacewalk,astronautsusesafetytetherstostay

closetotheirspacecraft.Tethersarelikeropes,connectthespacewalkerswiththespacecraft可知，当太空漫步时，宇航员使用安全拴绳来与航天器保持近距离，安全

绳像一个绳子，连接着太空漫步者和航天器。tether像一个绳子，所以是系绳，故选B。29.B【解析】细节理解题。根据Onewayisbygoingforaswim.Floatinginspaceisalotlikefloatinginwate

r.Astronautspracticespacewalksunderwaterinahugespecialswimmingpool以及Anotherwayastronautspracticeforaspacewalkisb

yusingvirtualreality可知，要么去特别的游泳池漂浮练习太空行走，要么使用虚拟现实练习太空行走，故选B。30.D【解析】细节理解题。根据Today,onlythreecountrieshavefinishedspacewalksinde

pendently.TheyareRussia,theUnitedStatesandChina可知，中国能独立地完成太空行走，排除A；根据Insidespacesuits,astronautshavetheoxygen

(氧气)theyneedtobreatheandthewatertheyneedtodrink可知，宇航员能够在航天服里呼吸和喝水；根据SAFERiswornlikeabackpack.Ithelpsanast

ronautmovearoundinspace可知，宇航员可以在里面移动，排除C；根据ThefirstpersontogoonaspacewalkintheworldwasAlexeiLeonovfromRussia可知，第一个太空行走的人是苏联的阿里克谢列昂诺夫。故选D。二、阅读填空1、1—

5CBDBA