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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,and

theycanreachanypartoftheworld.Thesatellitestakepicturesoftheatmosphere（大气）,becausethisiswheretheweatherforms（形成）.Theysendth

esepicturestotheweatherstations.Someteorologists（气象学家）canseetheweatherofanypartoftheworld.Fromthepict

ures,thescientistscanoftensayhowtheweatherwillchange.Today,nearlyfivehundredweatherstationsinsixtycountriesreceivesatellitepictures.Whentheyreceiv

enewpictures,themeteorologistscompare（比较）themwithearlierones.Perhapstheymayfindthatthecloudshavechangedduringthelastfewhours.Thismaymeanthatthewe

atheronthegroundmaysoonchange,too.Intheirnextweatherforecast,themeteorologistscansaythis.Sotheweathersatellitesareagreathelptothemete

orologists.Beforesatelliteswereinvented,thescientistscouldforecasttheweatherforabout24or48hours.Nowtheycanmakegoodforecastsforthreeor

fivedays.Soon,perhaps,theymaybeabletoforecasttheweatherforaweekormoreahead（提前）.1.Satellitestravel_____________

.A.inspaceB.intheatmosphereC.abovethegroundD.abovespace2.Whydoweusetheweathersatellitestotakepicturesoftheatmosphere?Because__________.

A.theweathersatellitescandoiteasilyB.cloudsformthereC.theweatherformsthereD.thepicturescanforecastthe

weather3.Meteorologistsforecasttheweather__________.A.whentheyhavereceivedsatellitepicturesB.aftertheyhavecomparednewsatellitepi

ctureswithearlieronesC.beforetheyreceivedsatellitepicturesD.duringtheystudysatellitepictures4.Maybewe’l

lsoonbeabletoforecasttheweatherfor________.A.onedayB.twodaysC.fivedaysD.sevendaysorevenlonger5.Themain（主要的）ideaofthispassagei

sthatsatellitesarenowusedin_________.A.takingpicturesoftheatmosphereB.receivingpicturesoftheatmosphereC.doingotherworkinmanywaysD.weatherforecasti

ng2、Atpresent,toomuchcarbondioxide(二氧化碳)makestheearthwarmerandwarmerandcausesterribleeffecttohumanbeings.Tosaveourplanet,tosaveourselves,anewlif

estylecalledlow-carbonlife(低碳生活)becomespopular.Lowcarbonmeanslowenergyandnowaste.Itisnecessaryforeveryb

odytolearntolivealow-carbonlife.Tolivealow-carbonlife,we’dbettersaveenergyaspossible.TurnoffthelightsandTVwhenevertheyarenotneeded.Ifpossible,use

coldwatertowashclothesordishes.Takeashortshowerandtrytotakeacoldonewhentheweathergetswarm.Don’tdothecookingwithelectricity.Tolivealow-ca

rbonlife,weshouldeatlessmeat.Everybodyknowseatingtoomuchmeatmakespeoplefatandeasytohaveheartdisease,butmaybeyoudon’tknowkeepingan

imalsforfoodproducesevenmorecarbondioxidethanallthecarsintheworld,andbeingavegetariancanhelpreduceoneandah

alftonsofcarbondioxideayear.Maybeitisalittledifficult,butit’sreallynecessary.Tolivealow-carbonlife,wearesupposedtodolessshopping.Whenwegoshoppin

g,wemaydriveacarortakeothertransportations.Ontheonehand,thesemachinespollutetheairandwasteenergy.Ontheotherhand,mostofusalwaysbu

ysomeuselessthingsbecauseofsomeadvertisements.Itisnotonlyawasteofmoneybutalsocausestroubletotheearth,becauseasyouknow,m

akingeverythingwillproducecarbondioxidemoreorless.Therearemanyotherwaystolivelow-carbonlife,suchasrecyclingthings,plantingtreesa

ndreusingtextbooks.Ifwecankeepitahabitinourdailylife,theearthwillbecomeasaferplanetforustoliveon.根据短文内容，选择正确答案。()1._____makesthew

eatherontheearthgetwarmer.A.LittlerubbishB.AwasteofmoneyC.ToomuchcarbondioxideD.Awasteofwater()2.Wecan_____tosavee

nergyinourdailylife.A.uselesselectricityB.gotosleepwithlightsonC.washclotheswithhotwaterD.drivecartowork()3

.Theunderlinedword“it”inthethirdparagraphmeans_____.A.eatinglessmeatB.havingheartdiseaseC.keepinganimalsforfoodD.eatinglessvegetab

les()4.Weshoulddolessshoppingbecause_____.A.wastingmoneycausestroubletopeopleB.theadvertisementsaresometimesm

isleadingC.thelessyoushop,thelesscarbondioxidewillbeproducedD.someofthethingsyouboughtareuseless()5.Ifeverybodylivesalow-carbonlife,_____.A.we

willwastemoreenergyB.therewillbelesscarbondioxideC.theearthwillbecomeadangerousplacetoliveonD.therewillbemorecarbondioxide3、It'

slateeveninginthemiddleofthewinter．Thesnowisdeep，butoffIgointothewild．Suddenly，Ihearit：thehowl（嚎叫）ofwolves．Excitedly，Iwalkfaster

inthedirectionofthehowling．I'vebeenworkingasavolunteerwolftrackerinYellowstoneNationalParkforoverayear．I

t'smyjobtofollowwolvestorecordinformationaboutthem．Likewolves，however，Idon'tworkalone．I'moneofateamofpeoplewhohavebe

eninaprojecttohelpreintroducewolvestothepark．Humanshavealwaysfearedwolves．Fromfairytalestomovies，thewolfisalwaysthebadguyadangertohuma

nsandotheranimals．Inthe1920s，theorganizersoftheparksharedthisviewaboutwolvesandmadethedecisiontodrivethemawayfromthepark．Asaresult，thenumberof

elk（麋鹿）intheparkincreased．Theelkstartedlookingforfoodnearriverbankssincetheydidn'thavetoworryaboutwolves．This，inturn，stoppedtreesfromgrowingalongt

herivers，doinggreatharmtotheenvironmentthere．Thereturnofwolveshasalreadymadeabigdifference．Tobeginwith，theelkso

onlearnedtostayawayfromtherivers，sonewtreeshavebeenabletogrowthere．Thetreesbecomehometonewwildlife，suchasbirds，andprovid

efoodformoreanimals．Theparkisnowbecomingmoreandmorepopularwiththosewhowanttoseewolvesintheirnaturalenvironment．

Ithasalsohelpedthelocalpeoplemakemoremoney，Touristsvisitthearea，stayinthelocalhotels，andeatinthelocalrestaurants．

Lookingatthewildanimalsandthebeautifulsceneriesaroundme，IamamazedatthechangesthewolfhasmadetoYellowstone．Andhappily，itisplayingagoodgu

yinthisstory．（1）Accordingtothepassage，oneofawolftracker'sjobsisto．A．catchwolvesintheparkB．feedwolvesinthewildC．stopwolves

fromkillingelkD．collectinformationaboutwolves（2）Whydidtheorganizersdrivethewolvesawayfromtheparkinthe1920s？A．Thewolveswerealwayshowlingatnight．B

．Theelkintheparkwereindangerofdyingout．C．Thewolveshaddonegreatharmtotheenvironment．D．Theparkwasthoug

httobeunsafewithwolvesaround．（3）Paragraphs4and5aremainlyaboutthethatwolveshavebroughttoYellowstone．A．risksB．troublesC．changesD．

competitions（4）Whatdoesthewritermeanbytheunderlinedsentenceinthelastparagraph？A．WolvesareimportanttoYellowstone．B．Yellowstonehasbeen

hometowolves．C．Thewolfandtheelkliveinpeacenow．D．Thenumberofwolvesisgrowingfast．4、What’saspacewalk?Anytimeanastron

autgetsoutofaspacecraft(航天器)whileinspace,itiscalledaspacewalk.Astronautsgoonspacewalksformanyreasons.Forexample,experimentscanbepl

acedontheoutsideofaspacecraft.Thisletsscientistslearnhowbeinginspaceaffects(影响)differentthings.Bygoingonspacewa

lks,astronautscanalsofixthingsinsteadofbringingthembacktotheearthtofix.Whenastronautsgoonspacewalks,theywearspacesuitstoke

epthemselvessafe.Insidespacesuits,astronautshavetheoxygen(氧气)theyneedtobreatheandthewatertheyneedtodrink.Tokeeptheastronaut

sandthespacecraftsafe,theastronautsmustleaveandgobacktothespacecraftthroughaspecialdoor.Whenonaspacewalk,astronautsusesafetytetherst

ostayclosetotheirspacecraft.Tethersarelikeropes,connectthespacewalkerswiththespacecraft.Theykeepastronautsfromfloating(

漂浮)awayintospace.AnotherwayastronautsstaysafeduringspacewalksisbywearingaSAFER.SAFERiswornlikeabackpack.

Ithelpsanastronautmovearoundinspace.Howdoastronautstrainforspacewalks?Onewayisbygoingforaswim.Floatinginspaceisalotlikef

loatinginwater.Astronautspracticespacewalksunderwaterinahugespecialswimmingpool.Foreveryonehourtheywillspend

onaspacewalk,astronautsneedtotrainsevenhoursinthepool.Anotherwayastronautspracticeforaspacewalkisbyusingvirtualreality(虚拟现实).Itlooksandfeelsjustli

keaspacewalk.Today,onlythreecountrieshavefinishedspacewalksindependently.TheyareRussia,theUnitedStatesandChina.Thefirstpersontogoonaspacewalkinthe

worldwasAlexeiLeonovfromRussia.ZhaiZhigangisthefirstChineseastronauttogoonaspacewalk.Theworldrecordofspacew

alksisheldbyRussianastronautAnatolySolovyev.Hehasbeenon16spacewalksandspentmorethan82hoursoutsideinspa

ce.26.Aboutthespacewalk,wecanknow__________.A.somethingscanbefixedbyastronautsduringspacewalksB.allexperimentsmu

stbeplacedontheoutsideofaspacecraftC.anastronautcangetoutofaspacecraftanytimewhileinspaceD.aspacewalkletsscientistslearnhowbeinginspaceaffects

differentthings27.Howmanywaystokeeptheastronautssafeduringspacewalks?A.Two.B.Three.C.Four.D.Five.28.What’sthemeaningoftheword“tet

hers”inParagraph2?A.吊篮B.系绳C.笼子D.钩子29.Astronautstrainforspacewalksby__________.A.floatinginspaceB.usingvirtualrealityC.g

oingonspacewalksoutsideaspacecraftD.traininginwaterinacommonswimmingpool30.Accordingtothepassage,whichisNOTtrue?A.Chinaca

nfinishaspacewalkindependently.B.Astronautscanbreatheanddrinkinspacesuits.C.Astronautscanmovearoundinspa

cewiththehelpofSAFER.D.AnatolySolovyevisthefirstpersontogoonaspacewalkintheworld.二、阅读填空（共1题）1、HaveyouseenAvatar（《阿凡达》）?It’sapopular3Dm

ovie,andyoumayhavetowear3Dglassestoseeit.The3Dglassesmaketheimages(图像)fromthemovielookasiftheywerecomingstraighttowardsyou.Moreandmore3Dmoviesare

comingtotheaters.Somesaythat3DTVsetswillcomeintoourhomesinthenearfuture.3DtechnologycanmakeTVandmoviesaremoreexciting.However,peoplewitheyep

roblemsmaygetheadachesiftheyspendtoomuchtimewatching3Dmovies.Why?Whenwelookatanobject(物体),eacheyeseesitatadifferentangle(角度).Oureyessendthetwoim

agestoourbrain(大脑),andthebrainputsthemtogether.3Dtechnologyusestwofilmprojectors(投影机).Oneprojectsaleft-eye-imageandtheothe

rprojectsaright-eye-image.3Dglassesallowustoseeadifferentimageineacheye.So,whenwearewatchinga3Dmovie,ourbraincan’tputtogetherth

eimagessenttooureyes.Thebrainneedstoworkharderat“reading”theimages.Thatmakesiteasierforpeoplewitheye

problemstogetdizzy(头晕的)orhaveheadaches.Afamouseyedoctorsaidifyoureyescan’tfocus(聚焦)onthesameobjectatonce,youwillhavetroublewatchin

g3Dmovies.根据短文内容，选择正确答案。()1.Accordingtothepassage,Avatarisa______.A.digitalcameraB.digitalTVsetC.3DmovieD.4Dmovie()2.The3Dglasse

scanmaketheimagesfromthemovie______.A.lookmorebeautifulthanusualB.lookasiftheywerecomingstraighttowardsyouC.lookas

iftheywerefarawayfromyouD.lookmoreclearthanusual()3.Peoplewillhave______intheirhomesinthenearfuture.A.3DcomputersB.3Dphone

sC.3DmoviesD.3DTVsets()4.Whenwelookatanobject,______.A.eacheyeseestheobjectatthesameangleB.ourbrainputsthetwodifferentpicturestoge

therC.therewillbetwofilmprojectorsinoureyesD.ourbraincan’tputtogethertheimagessenttooureyes()5.Ifyouwearapairof3Dglasses,______.A.youwillseedif

ferentimagesinbotheyesB.yourbraincan’tworkatallC.theimagescanbeputtogethereasilybyyourbrainD.ourbraincanputtheimagestoget

her============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'smyjobt

ofollowwolvestorecordinformationaboutthem．"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，thewolfisalway

sthebadguyadangertohumansandotheranimals．Inthe1920s，theorganizersoftheparksharedthisviewaboutwolvesandmadethedecisionto

drivethemawayfromthepark．"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"T

hereturnofwolveshasalreadymadeabigdifference．"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"Iamamazedatthechangesthewolfh

asmadetoYellowstone"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.Thisletsscientistslearnhowbeinginspaceaffe

cts(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,astronautscanalsofixthingsinsteadofbring

ingthembacktotheearthtofix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,theywearspacesui

tstokeepthemselvessafe、Tokeeptheastronautsandthespacecraftsafe,theastronautsmustleaveandgobacktothespacecraftthroughaspecialdoor

、Whenonaspacewalk,astronautsusesafetytetherstostayclosetotheirspacecraft以及AnotherwayastronautsstaysafeduringspacewalksisbywearingaSAFER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,astronautsusesafetytethersto

stayclosetotheirspacecraft.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.Astronautsp

racticespacewalksunderwaterinahugespecialswimmingpool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.Theyare

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

needtodrink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