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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

,andtheycanreachanypartoftheworld.Thesatellitestakepicturesoftheatmosphere（大气）,becausethisiswheretheweatherforms（形成）.

Theysendthesepicturestotheweatherstations.Someteorologists（气象学家）canseetheweatherofanypartoftheworld.Fromthepictures,thesci

entistscanoftensayhowtheweatherwillchange.Today,nearlyfivehundredweatherstationsinsixtycountriesreceivesatellitepictures.W

hentheyreceivenewpictures,themeteorologistscompare（比较）themwithearlierones.Perhapstheymayfindthatthecloudshavechangeddur

ingthelastfewhours.Thismaymeanthattheweatheronthegroundmaysoonchange,too.Intheirnextweatherforecast,themeteorolog

istscansaythis.Sotheweathersatellitesareagreathelptothemeteorologists.Beforesatelliteswereinvented,thescientistscouldforecastt

heweatherforabout24or48hours.Nowtheycanmakegoodforecastsforthreeorfivedays.Soon,perhaps,theymaybeabletof

orecasttheweatherforaweekormoreahead（提前）.1.Satellitestravel_____________.A.inspaceB.intheatmosphereC.abovethegroundD.abovespace2.Why

doweusetheweathersatellitestotakepicturesoftheatmosphere?Because__________.A.theweathersatellitescandoiteasilyB.cloudsformthereC.thewea

therformsthereD.thepicturescanforecasttheweather3.Meteorologistsforecasttheweather__________.A.whentheyhavereceivedsa

tellitepicturesB.aftertheyhavecomparednewsatellitepictureswithearlieronesC.beforetheyreceivedsatellitepicturesD.duringth

eystudysatellitepictures4.Maybewe’llsoonbeabletoforecasttheweatherfor________.A.onedayB.twodaysC.fivedaysD.sevendaysorevenlonger5.T

hemain（主要的）ideaofthispassageisthatsatellitesarenowusedin_________.A.takingpicturesoftheatmosphereB.receivingpicturesoftheat

mosphereC.doingotherworkinmanywaysD.weatherforecasting2、Atpresent,toomuchcarbondioxide(二氧化碳)makestheearthwarmerandwarmerandcauseste

rribleeffecttohumanbeings.Tosaveourplanet,tosaveourselves,anewlifestylecalledlow-carbonlife(低碳生活)bec

omespopular.Lowcarbonmeanslowenergyandnowaste.Itisnecessaryforeverybodytolearntolivealow-carbonlife.Tolivealow-carbonlife,we’dbettersavee

nergyaspossible.TurnoffthelightsandTVwhenevertheyarenotneeded.Ifpossible,usecoldwatertowashclothesordishes.Takeashortshowerandtrytotakeacold

onewhentheweathergetswarm.Don’tdothecookingwithelectricity.Tolivealow-carbonlife,weshouldeatlessmeat.Everybodyknowseatingtoomuchme

atmakespeoplefatandeasytohaveheartdisease,butmaybeyoudon’tknowkeepinganimalsforfoodproducesevenmorecarbondioxidethanallthecar

sintheworld,andbeingavegetariancanhelpreduceoneandahalftonsofcarbondioxideayear.Maybeitisalittledifficult,butit’sreallynecessary.Tolivealow-carbonli

fe,wearesupposedtodolessshopping.Whenwegoshopping,wemaydriveacarortakeothertransportations.Ontheonehand,thesemachinespollutethe

airandwasteenergy.Ontheotherhand,mostofusalwaysbuysomeuselessthingsbecauseofsomeadvertisements.Itisn

otonlyawasteofmoneybutalsocausestroubletotheearth,becauseasyouknow,makingeverythingwillproducecarbondioxidemoreorless.

Therearemanyotherwaystolivelow-carbonlife,suchasrecyclingthings,plantingtreesandreusingtextbooks.Ifwecank

eepitahabitinourdailylife,theearthwillbecomeasaferplanetforustoliveon.根据短文内容，选择正确答案。()1._____makestheweatherontheearthgetwarmer.A.Littl

erubbishB.AwasteofmoneyC.ToomuchcarbondioxideD.Awasteofwater()2.Wecan_____tosaveenergyinourdailylife.A.uselesselectricityB.gotosleepwithlightso

nC.washclotheswithhotwaterD.drivecartowork()3.Theunderlinedword“it”inthethirdparagraphmeans_____.A.eatingless

meatB.havingheartdiseaseC.keepinganimalsforfoodD.eatinglessvegetables()4.Weshoulddolessshoppingbecause_____.A.wastingmoneycausestro

ubletopeopleB.theadvertisementsaresometimesmisleadingC.thelessyoushop,thelesscarbondioxidewillbeproducedD.someofthethingsyouboughtar

euseless()5.Ifeverybodylivesalow-carbonlife,_____.A.wewillwastemoreenergyB.therewillbelesscarbondioxideC.theearthwillbecomeadangerou

splacetoliveonD.therewillbemorecarbondioxide3、It'slateeveninginthemiddleofthewinter．Thesnowisdeep，butoffIgointothewi

ld．Suddenly，Ihearit：thehowl（嚎叫）ofwolves．Excitedly，Iwalkfasterinthedirectionofthehowling．I'vebeenworkingasavolunteerw

olftrackerinYellowstoneNationalParkforoverayear．It'smyjobtofollowwolvestorecordinformationaboutthem．Likewolves，however，Idon'twork

alone．I'moneofateamofpeoplewhohavebeeninaprojecttohelpreintroducewolvestothepark．Humanshavealwaysfearedwolves．Fromfairytalestomovies，thewolfis

alwaysthebadguyadangertohumansandotheranimals．Inthe1920s，theorganizersoftheparksharedthisviewaboutwolvesandmadet

hedecisiontodrivethemawayfromthepark．Asaresult，thenumberofelk（麋鹿）intheparkincreased．Theelkstartedlookingforfoodnearriv

erbankssincetheydidn'thavetoworryaboutwolves．This，inturn，stoppedtreesfromgrowingalongtherivers，doinggreatharmtotheenvironmentthe

re．Thereturnofwolveshasalreadymadeabigdifference．Tobeginwith，theelksoonlearnedtostayawayfromtherivers，sonewtreeshavebeenabletogrowth

ere．Thetreesbecomehometonewwildlife，suchasbirds，andprovidefoodformoreanimals．Theparkisnowbecomingmoreandmorepopularwitht

hosewhowanttoseewolvesintheirnaturalenvironment．Ithasalsohelpedthelocalpeoplemakemoremoney，Touristsvisitthearea，stay

inthelocalhotels，andeatinthelocalrestaurants．Lookingatthewildanimalsandthebeautifulsceneriesaroundme，IamamazedatthechangesthewolfhasmadetoYellow

stone．Andhappily，itisplayingagoodguyinthisstory．（1）Accordingtothepassage，oneofawolftracker'sjobsisto．A

．catchwolvesintheparkB．feedwolvesinthewildC．stopwolvesfromkillingelkD．collectinformationaboutwolves（2）Whydidtheorganizersdrivethewolv

esawayfromtheparkinthe1920s？A．Thewolveswerealwayshowlingatnight．B．Theelkintheparkwereindangerofdyingout．C．T

hewolveshaddonegreatharmtotheenvironment．D．Theparkwasthoughttobeunsafewithwolvesaround．（3）Paragraphs4and5arem

ainlyaboutthethatwolveshavebroughttoYellowstone．A．risksB．troublesC．changesD．competitions（4）Whatdoesthewrite

rmeanbytheunderlinedsentenceinthelastparagraph？A．WolvesareimportanttoYellowstone．B．Yellowstonehasbeenhometowolves．C．Thewolfandtheelkliveinpea

cenow．D．Thenumberofwolvesisgrowingfast．4、What’saspacewalk?Anytimeanastronautgetsoutofaspacecraft(航天器)whileinspa

ce,itiscalledaspacewalk.Astronautsgoonspacewalksformanyreasons.Forexample,experimentscanbeplacedontheoutsideofaspa

cecraft.Thisletsscientistslearnhowbeinginspaceaffects(影响)differentthings.Bygoingonspacewalks,astronautscanalsofixthingsin

steadofbringingthembacktotheearthtofix.Whenastronautsgoonspacewalks,theywearspacesuitstokeepthemselvessafe.Insidespacesuits,astronautsha

vetheoxygen(氧气)theyneedtobreatheandthewatertheyneedtodrink.Tokeeptheastronautsandthespacecraftsafe,theastronautsmustleaveandgobackto

thespacecraftthroughaspecialdoor.Whenonaspacewalk,astronautsusesafetytetherstostayclosetotheirspacecraft.Tethersare

likeropes,connectthespacewalkerswiththespacecraft.Theykeepastronautsfromfloating(漂浮)awayintospace.Anotherwayastronautsstaysafeduringspace

walksisbywearingaSAFER.SAFERiswornlikeabackpack.Ithelpsanastronautmovearoundinspace.Howdoastronautstrainforspacewalks?Onewayisbygoingforaswi

m.Floatinginspaceisalotlikefloatinginwater.Astronautspracticespacewalksunderwaterinahugespecialswimmingpool.For

everyonehourtheywillspendonaspacewalk,astronautsneedtotrainsevenhoursinthepool.Anotherwayastronautspracticeforaspacewalkisbyusi

ngvirtualreality(虚拟现实).Itlooksandfeelsjustlikeaspacewalk.Today,onlythreecountrieshavefinishedspacewalksindependently.TheyareRussia,theUnitedStatesa

ndChina.ThefirstpersontogoonaspacewalkintheworldwasAlexeiLeonovfromRussia.ZhaiZhigangisthefirstChineseastronauttogoonaspacewalk.Theworldrecordofs

pacewalksisheldbyRussianastronautAnatolySolovyev.Hehasbeenon16spacewalksandspentmorethan82hoursoutsideins

pace.26.Aboutthespacewalk,wecanknow__________.A.somethingscanbefixedbyastronautsduringspacewalksB.allexperimentsmustbepla

cedontheoutsideofaspacecraftC.anastronautcangetoutofaspacecraftanytimewhileinspaceD.aspacewalkletsscientistslearnhowbeinginspaceaffectsdifferentthin

gs27.Howmanywaystokeeptheastronautssafeduringspacewalks?A.Two.B.Three.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.tra

ininginwaterinacommonswimmingpool30.Accordingtothepassage,whichisNOTtrue?A.Chinacanfinishaspacewalkindependently.B.

Astronautscanbreatheanddrinkinspacesuits.C.AstronautscanmovearoundinspacewiththehelpofSAFER.D.AnatolySolovyevist

hefirstpersontogoonaspacewalkintheworld.二、阅读填空（共1题）1、HaveyouseenAvatar（《阿凡达》）?It’sapopular3Dmovie,andyoumayhavetowe

ar3Dglassestoseeit.The3Dglassesmaketheimages(图像)fromthemovielookasiftheywerecomingstraighttowardsyou.Morea

ndmore3Dmoviesarecomingtotheaters.Somesaythat3DTVsetswillcomeintoourhomesinthenearfuture.3DtechnologycanmakeTVandmoviesaremoreexciting.Ho

wever,peoplewitheyeproblemsmaygetheadachesiftheyspendtoomuchtimewatching3Dmovies.Why?Whenwelookatanobjec

t(物体),eacheyeseesitatadifferentangle(角度).Oureyessendthetwoimagestoourbrain(大脑),andthebrainputsthemtogether.3Dtechn

ologyusestwofilmprojectors(投影机).Oneprojectsaleft-eye-imageandtheotherprojectsaright-eye-image.3Dglassesallowustosee

adifferentimageineacheye.So,whenwearewatchinga3Dmovie,ourbraincan’tputtogethertheimagessenttooureyes.Thebrainneedstoworkharderat“reading”theimages

.Thatmakesiteasierforpeoplewitheyeproblemstogetdizzy(头晕的)orhaveheadaches.Afamouseyedoctorsaidifyoureyescan’tfocu

s(聚焦)onthesameobjectatonce,youwillhavetroublewatching3Dmovies.根据短文内容，选择正确答案。()1.Accordingtothepassage,A

vatarisa______.A.digitalcameraB.digitalTVsetC.3DmovieD.4Dmovie()2.The3Dglassescanmaketheimagesfromthemovie______.A.lookmorebeautifu

lthanusualB.lookasiftheywerecomingstraighttowardsyouC.lookasiftheywerefarawayfromyouD.lookmoreclearthanusual(

)3.Peoplewillhave______intheirhomesinthenearfuture.A.3DcomputersB.3DphonesC.3DmoviesD.3DTVsets()4.Whenweloo

katanobject,______.A.eacheyeseestheobjectatthesameangleB.ourbrainputsthetwodifferentpicturestogetherC.therewillbetwofil

mprojectorsinoureyesD.ourbraincan’tputtogethertheimagessenttooureyes()5.Ifyouwearapairof3Dglasses,______.A.youwillseedifferentimagesinbothe

yesB.yourbraincan’tworkatallC.theimagescanbeputtogethereasilybyyourbrainD.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'smyjobtofollowwolvestorecordinformationabout

them．"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，thewolfisalwaysthebadguyadangertohum

ansandotheranimals．Inthe1920s，theorganizersoftheparksharedthisviewaboutwolvesandmadethedecisiontodrivethemaway

fromthepark．"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"Thereturnofwolveshasalreadymadeabigdifferenc

e．"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"IamamazedatthechangesthewolfhasmadetoYellowstone"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Anytimeanastronautge

tsoutofaspacecraft(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Forexa

mple,experimentscanbeplacedontheoutsideofaspacecraft.Thisletsscientistslearnhowbeinginspaceaffects(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,astronautscanalsofixthingsinsteadofbringingthembacktotheearthtofix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,theywearspacesuitstokeepthemselvess

afe、Tokeeptheastronautsandthespacecraftsafe,theastronautsmustleaveandgobacktothespacecraftthroughaspecialdo

or、Whenonaspacewalk,astronautsusesafetytetherstostayclosetotheirspacecraft以及Anotherwayastronautsstaysafeduringspacew

alksisbywearingaSAFER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Whenonaspacew

alk,astronautsusesafetytetherstostayclosetotheirspacecraft.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Anotherwayastronautspracticeforaspacewalkisbyusingvirtualreality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,onlythreecountrieshavefinishedspacewalksindependently.TheyareRussia,theUnitedStatesandC

hina可知，中国能独立地完成太空行走，排除A；根据Insidespacesuits,astronautshavetheoxygen(氧气)theyneedtobreatheandthewatertheyneedtod

rink可知，宇航员能够在航天服里呼吸和喝水；根据SAFERiswornlikeabackpack.Ithelpsanastronautmovearoundinspace可知，宇航员可以在里面移动，排除C；根据Thefir

stpersontogoonaspacewalkintheworldwasAlexeiLeonovfromRussia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