精编word解析版----高考必备英语专题检测卷(二十三) 阅读理解

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1、高考专题辅导专题检测卷(二十三)阅读理解(建议用时:25分钟)A(2013·日照模拟)体裁科普文题材地球变暖词数381MoveEarth—It’sNotScienceFictionLONDON—Scientistshavefoundanunusualwaytopreventourplanetfromoverheating:moveittoacoolerspot.Allyouhavetodoissendafewcomets(彗星)inthedirectionofEarth,anditsorbitwillbechanged.O

2、urworldwillthenbesentspinningintoasafer,colderpartofthesolarsystem.ThisideaforimprovingourclimatecomesfromagroupofUSNationalAeronauticsandSpaceAdministration(NASA)engineersandAmericanastronomers.Theysaytheirplancouldaddanothersixbillionyearstotheusefullifetimeofou

3、rplanet—effectivelydoublingitsworkinglife.TheplanputforwardbyDr.Laughlin,andhiscolleaguesDonKorycanskyandFredAdams,needscarefullydirectingacometorasteroidsothatitpassesclosebyourplanetandsendssomeofitsgravitationalenergytoEarth.“Earth’sorbitalspeedwouldincreaseasa

4、resultandwewouldmovetoahigherorbitawayfromtheSun,”Laughlinsaid.EngineerswouldthendirecttheircometsothatitpassedclosetoJupiterorSaturn.Thecometwouldpickupenergyfromoneofthesegiantplanets.Laterits-10-orbitwouldbringitbacktoEarth,andtheprocesswouldberepeated.Inthesho

5、rtterm,theplanprovidesanidealwaytoglobalwarming,althoughtheteamwasactuallyconcernedwithamuchgreaterdanger.TheSuniscertaintoheatupinaboutabillionyearsandso“seriouslycompromise”ourbiosphere(生物圈)—bycookingus.That’swhythegroupdecidedtotrytosaveEarth.Theplanhasoneortwo

6、worryingaspects,however.Forastart,spaceengineerswouldhavetobeverycarefulabouthowtheydirectedtheirasteroidorcomettowardsEarth.Thesmallestmiscalculation(误算)inorbitcouldfireitstraightatEarth—withdeadlyconsequences.ThereisalsothequestionoftheMoon.AsthecurrentissueofSc

7、ientificAmericanmagazinepointsout,ifEarthwaspushedoutofitscurrentposition,itis“mostlikelytheMoonwouldbestrippedawayfromEarth”.Thiswouldgreatlychangeourplanet’sclimate.1.WhatmakesthescientistsplantomoveEarth?A.AfewcometsaremovingtothedirectionofEarth.B.Earth’sworki

8、nglifeiscomingtoanendsoon.C.Earthwillbecometoohotformankindtokeepalive.D.ThemoonismovingfartherandfartherawayfromEarth.2.Iftheplanissuccessful,Earthwill