浙江省2012高考英语二轮复习 专题训练 阅读理解（47）.doc

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1、浙江省2012高考英语二轮复习专题训练：阅读理解（47）阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。AInasurprisingdiscoveryaboutwherehigherlifecansurvive,scientistshavefoundashrimp-likecreatureandajellyfishswimmingbeneathanAntarcticicesheet.About180metersbelowtheicewherenolightcangetthrough,scientistshadfigurednothingmuchm

2、orethanafewmicrobes(微生物)couldexist.That’swhyaNASAteamwassurprisedwhentheyloweredavideocameratogetthefirstlonglookattheunderbellyofanicesheetinAntarctica.Acuriousshrimp-likecreaturecameswimmingbyandthenparkeditselfonthecamera’scable.Scientistsalsopulledupatentacle(触须)theybelievecamefroma

3、jellyfish.“Wewereoperatingonthepresumptionthatnothing’sthere.”saidNASAicescientistRobertBindschadler.“Itwasashrimpyou’denjoyhavingonyourplate.”“Wewerejustgaga(狂热的)overit,”hesaidwhentalkingaboutthe7.5cmlong,orangecreaturestarringintheirtwo-minutevideo.Technically,it’snotashrimp.It’saLyss

4、ianasidamphipod,whichisdistantlyrelatedtotheshrimp.Thevideoislikelytoinspireexpertstorethinkwhattheyknowaboutlifeinharshenvironments.Andithasscientiststhinkingthatifshrimp-likecreaturescanlivebelow180metersofAntarcticiceinfreezingdarkwater,whataboutothercoldplaces?WhataboutEuropa,afroze

5、nmoonofJupiter?高考资源网CynanEllis–Evans,ascientistoftheBritishAntarcticSurveycalledthefindingfascinating.Hesaiditwaspossiblethecreaturesswaminfromfarawayanddon’tlivetherepermanently.ButKim,whoisaco-authorofthestudy,doubtsit.“ThesiteinWestAntarcticaisatleast19kmfromopenseas.Bindschadlerdril

6、leda20cm-wideholeandwaslookingatatinyamountofwater.Thatmeansit’sunlikelythattwocreaturesswamfromgreatdistancesandwerecapturedrandomlyinthatsmallarea,”shesaid.“Yetscientistswerepuzzledatwhatthefoodsourcewouldbeforthesecreatures.Whilesomemicrobescanmaketheirownfoodoutofchemicalsintheocean

7、,complexlifeliketheshrimpcan’t,”Kimsaid.“Sohowdotheysurvive?That’sthekeyquestion.”Kimsaid.“It’sprettyamazingwhenyoufindahugepuzzlelikethatonaplanetwherewethoughtweknoweverything.”Kimsaid.1.Scientistshadbelievedthatharshenvironmentscouldonlyhavebeenpopulatedby______.A.jellyfishB