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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,andtheycanreachanyp

artoftheworld.Thesatellitestakepicturesoftheatmosphere（大气）,becausethisiswheretheweatherforms（形成）.Theysendthe

sepicturestotheweatherstations.Someteorologists（气象学家）canseetheweatherofanypartoftheworld.Fromthepictures,thescientistscanof

tensayhowtheweatherwillchange.Today,nearlyfivehundredweatherstationsinsixtycountriesreceivesatellitepictures.When

theyreceivenewpictures,themeteorologistscompare（比较）themwithearlierones.Perhapstheymayfindthatthecloudshavechangedduringthelastfewhours.Thismaym

eanthattheweatheronthegroundmaysoonchange,too.Intheirnextweatherforecast,themeteorologistscansaythis.S

otheweathersatellitesareagreathelptothemeteorologists.Beforesatelliteswereinvented,thescientistscouldforecastth

eweatherforabout24or48hours.Nowtheycanmakegoodforecastsforthreeorfivedays.Soon,perhaps,theymaybeabletoforec

asttheweatherforaweekormoreahead（提前）.1.Satellitestravel_____________.A.inspaceB.intheatmosphereC.abovethegroundD.abovespace2.W

hydoweusetheweathersatellitestotakepicturesoftheatmosphere?Because__________.A.theweathersatellitescandoiteasilyB.cloudsformthereC

.theweatherformsthereD.thepicturescanforecasttheweather3.Meteorologistsforecasttheweather__________.A.whent

heyhavereceivedsatellitepicturesB.aftertheyhavecomparednewsatellitepictureswithearlieronesC.beforetheyreceivedsat

ellitepicturesD.duringtheystudysatellitepictures4.Maybewe’llsoonbeabletoforecasttheweatherfor________.A.onedayB.twodaysC.fiv

edaysD.sevendaysorevenlonger5.Themain（主要的）ideaofthispassageisthatsatellitesarenowusedin_________.A.takingpicturesoftheatmosphereB.receivingpic

turesoftheatmosphereC.doingotherworkinmanywaysD.weatherforecasting2、Atpresent,toomuchcarbondioxide(二氧化碳)makestheearthwarmerandwar

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

becomespopular.Lowcarbonmeanslowenergyandnowaste.Itisnecessaryforeverybodytolearntolivealow-carbonlife.Tolivealow-carbonlife,

we’dbettersaveenergyaspossible.TurnoffthelightsandTVwhenevertheyarenotneeded.Ifpossible,usecoldwatertowas

hclothesordishes.Takeashortshowerandtrytotakeacoldonewhentheweathergetswarm.Don’tdothecookingwithelectricity.Tolivealow-carbon

life,weshouldeatlessmeat.Everybodyknowseatingtoomuchmeatmakespeoplefatandeasytohaveheartdisease,butmaybeyoudon’tknowkeepinganimalsforfood

producesevenmorecarbondioxidethanallthecarsintheworld,andbeingavegetariancanhelpreduceoneandahalftonsofcarbondioxideayear.Maybeitisalittledifficult,b

utit’sreallynecessary.Tolivealow-carbonlife,wearesupposedtodolessshopping.Whenwegoshopping,wemaydriveacarortakeothe

rtransportations.Ontheonehand,thesemachinespollutetheairandwasteenergy.Ontheotherhand,mostofusalwaysbuysomeuselessthingsbecauseofsomeadvertisements.

Itisnotonlyawasteofmoneybutalsocausestroubletotheearth,becauseasyouknow,makingeverythingwillproducecarbondioxidemoreorless.Therearemanyo

therwaystolivelow-carbonlife,suchasrecyclingthings,plantingtreesandreusingtextbooks.Ifwecankeepitahabitinourdailylife,

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

eyC.ToomuchcarbondioxideD.Awasteofwater()2.Wecan_____tosaveenergyinourdailylife.A.uselesselectricityB.gotosleepwithlig

htsonC.washclotheswithhotwaterD.drivecartowork()3.Theunderlinedword“it”inthethirdparagraphmeans_____.A.eatinglessmeatB.havingheartdiseaseC.keepin

ganimalsforfoodD.eatinglessvegetables()4.Weshoulddolessshoppingbecause_____.A.wastingmoneycausestroubletopeopleB.theadv

ertisementsaresometimesmisleadingC.thelessyoushop,thelesscarbondioxidewillbeproducedD.someofthethingsyoubo

ughtareuseless()5.Ifeverybodylivesalow-carbonlife,_____.A.wewillwastemoreenergyB.therewillbelesscarbondioxideC.theearthwillbecomeadangerousplacet

oliveonD.therewillbemorecarbondioxide3、It'slateeveninginthemiddleofthewinter．Thesnowisdeep，butoffIgointothewild．Suddenly，Iheari

t：thehowl（嚎叫）ofwolves．Excitedly，Iwalkfasterinthedirectionofthehowling．I'vebeenworkingasavolunteerwolftrackerinYellowstone

NationalParkforoverayear．It'smyjobtofollowwolvestorecordinformationaboutthem．Likewolves，however，Idon'tworkalone．I'moneo

fateamofpeoplewhohavebeeninaprojecttohelpreintroducewolvestothepark．Humanshavealwaysfearedwolves．Fromfairytalestomovies，thewolfisalwaysthebad

guyadangertohumansandotheranimals．Inthe1920s，theorganizersoftheparksharedthisviewaboutwolvesandmadethedecisiontodrivethemawayfromthe

park．Asaresult，thenumberofelk（麋鹿）intheparkincreased．Theelkstartedlookingforfoodnearriverbankssincetheydidn'thaveto

worryaboutwolves．This，inturn，stoppedtreesfromgrowingalongtherivers，doinggreatharmtotheenvironmentthere．

Thereturnofwolveshasalreadymadeabigdifference．Tobeginwith，theelksoonlearnedtostayawayfromtherivers，sonewtreeshavebeenabletogrowthere．Thetreesbeco

mehometonewwildlife，suchasbirds，andprovidefoodformoreanimals．Theparkisnowbecomingmoreandmorepopularwiththosewhowanttoseewolvesintheirnaturalenviro

nment．Ithasalsohelpedthelocalpeoplemakemoremoney，Touristsvisitthearea，stayinthelocalhotels，andeatinthelocalrestaurants．Lookingatthewild

animalsandthebeautifulsceneriesaroundme，IamamazedatthechangesthewolfhasmadetoYellowstone．Andhappily，itisplayin

gagoodguyinthisstory．（1）Accordingtothepassage，oneofawolftracker'sjobsisto．A．catchwolvesintheparkB．feedwolvesin

thewildC．stopwolvesfromkillingelkD．collectinformationaboutwolves（2）Whydidtheorganizersdrivethewolvesawayfromtheparkinthe1920s？

A．Thewolveswerealwayshowlingatnight．B．Theelkintheparkwereindangerofdyingout．C．Thewolveshaddonegreatharmtotheenvironment．D．Theparkwasthought

tobeunsafewithwolvesaround．（3）Paragraphs4and5aremainlyaboutthethatwolveshavebroughttoYellowstone．A．risksB．troublesC．change

sD．competitions（4）Whatdoesthewritermeanbytheunderlinedsentenceinthelastparagraph？A．WolvesareimportanttoYellowst

one．B．Yellowstonehasbeenhometowolves．C．Thewolfandtheelkliveinpeacenow．D．Thenumberofwolvesisgrowingfast．4、What’saspacewalk?Anytimeanast

ronautgetsoutofaspacecraft(航天器)whileinspace,itiscalledaspacewalk.Astronautsgoonspacewalksformanyreasons.Forexample,experiment

scanbeplacedontheoutsideofaspacecraft.Thisletsscientistslearnhowbeinginspaceaffects(影响)differentthings.Bygoingonspacewalks,astr

onautscanalsofixthingsinsteadofbringingthembacktotheearthtofix.Whenastronautsgoonspacewalks,theywears

pacesuitstokeepthemselvessafe.Insidespacesuits,astronautshavetheoxygen(氧气)theyneedtobreatheandthewatertheyneedtodr

ink.Tokeeptheastronautsandthespacecraftsafe,theastronautsmustleaveandgobacktothespacecraftthroughaspecialdoor.Whenonaspacewalk,astronautsusesafet

ytetherstostayclosetotheirspacecraft.Tethersarelikeropes,connectthespacewalkerswiththespacecraft.Theykeepastronautsfromfloating(漂浮)awayi

ntospace.AnotherwayastronautsstaysafeduringspacewalksisbywearingaSAFER.SAFERiswornlikeabackpack.Ithelpsanastrona

utmovearoundinspace.Howdoastronautstrainforspacewalks?Onewayisbygoingforaswim.Floatinginspaceisalotlikefloating

inwater.Astronautspracticespacewalksunderwaterinahugespecialswimmingpool.Foreveryonehourtheywillspendonaspacewalk,astronautsneedtot

rainsevenhoursinthepool.Anotherwayastronautspracticeforaspacewalkisbyusingvirtualreality(虚拟现实).Itlooks

andfeelsjustlikeaspacewalk.Today,onlythreecountrieshavefinishedspacewalksindependently.TheyareRussia,theUn

itedStatesandChina.ThefirstpersontogoonaspacewalkintheworldwasAlexeiLeonovfromRussia.ZhaiZhigangisthefirstChineseastronauttogoonaspacewalk

.TheworldrecordofspacewalksisheldbyRussianastronautAnatolySolovyev.Hehasbeenon16spacewalksandspentmorethan82hoursoutsideinspace.26.Aboutthespacew

alk,wecanknow__________.A.somethingscanbefixedbyastronautsduringspacewalksB.allexperimentsmustbeplacedontheoutsideofaspa

cecraftC.anastronautcangetoutofaspacecraftanytimewhileinspaceD.aspacewalkletsscientistslearnhowbeinginspaceaffectsd

ifferentthings27.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.traininginw

aterinacommonswimmingpool30.Accordingtothepassage,whichisNOTtrue?A.Chinacanfinishaspacewalkindependently

.B.Astronautscanbreatheanddrinkinspacesuits.C.AstronautscanmovearoundinspacewiththehelpofSAFER.D.Anatol

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

andyoumayhavetowear3Dglassestoseeit.The3Dglassesmaketheimages(图像)fromthemovielookasiftheywerecomingstraightto

wardsyou.Moreandmore3Dmoviesarecomingtotheaters.Somesaythat3DTVsetswillcomeintoourhomesinthenearfuture.3DtechnologycanmakeTVandmoviesare

moreexciting.However,peoplewitheyeproblemsmaygetheadachesiftheyspendtoomuchtimewatching3Dmovies.Why?Whenwelo

okatanobject(物体),eacheyeseesitatadifferentangle(角度).Oureyessendthetwoimagestoourbrain(大脑),andthebrainputsthemtogether.3Dtechnologyusestwofilmprojecto

rs(投影机).Oneprojectsaleft-eye-imageandtheotherprojectsaright-eye-image.3Dglassesallowustoseeadifferentimageineac

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

teasierforpeoplewitheyeproblemstogetdizzy(头晕的)orhaveheadaches.Afamouseyedoctorsaidifyoureyescan’tfocus(聚焦)onthesameobjectatonce,youwillhavetrou

blewatching3Dmovies.根据短文内容，选择正确答案。()1.Accordingtothepassage,Avatarisa______.A.digitalcameraB.digitalTVsetC.3DmovieD.4Dmovie()2.The3Dglass

escanmaketheimagesfromthemovie______.A.lookmorebeautifulthanusualB.lookasiftheywerecomingstraighttowardsyouC.lookasiftheywerefarawayfromyouD

.lookmoreclearthanusual()3.Peoplewillhave______intheirhomesinthenearfuture.A.3DcomputersB.3DphonesC.3DmoviesD.3DTVsets()4.When

welookatanobject,______.A.eacheyeseestheobjectatthesameangleB.ourbrainputsthetwodifferentpicturestogetherC.therewillbetwofilmprojector

sinoureyesD.ourbraincan’tputtogethertheimagessenttooureyes()5.Ifyouwearapairof3Dglasses,______.A.youwillseedifferentimagesinbotheyesB.yourb

raincan’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'smyjobtof

ollowwolvestorecordinformationaboutthem．"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，theorganizersoftheparksharedthisviewaboutwolvesandmadethedecisiontodrivethemawayfromthepark．"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"Thereturnofwolveshasalreadymadeabig

difference．"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exper

imentscanbeplacedontheoutsideofaspacecraft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,itisca

lledaspacewalk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.This

letsscientistslearnhowbeinginspaceaffects(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,theywearspacesuitstokeepthemselvessafe、Tokeeptheastronautsandthespacecraftsafe,theastronautsmustleavea

ndgobacktothespacecraftthroughaspecialdoor、Whenonaspacewalk,astronautsusesafetytetherstostayclosetotheirspacecraft以及Anotherway

astronautsstaysafeduringspacewalksisbywearingaSAFER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,astron

autsusesafetytetherstostayclosetotheirspacecraft.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.Floatinginspaceisalotlikefloatinginwater.

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,onlythreecountrieshavefinishedspacewalksindependen

tly.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.Ithelpsanastronautmovearoundin

space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