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1、2014高考英语阅读理解冲刺全程训练（23）及答案阅读理解Withonlyabout1,000pandasleftintheworld,Chinaisdesperatelytryingtoclonetheanimalandsavetheseinadangeroussituation.That'samovesimilartowhataTexasA&MUniversityresearchershavebeenundertakingforthepastfiveyearsinaprojectcalled"Noah'sArk".Noah'sA
2、rkisaimedatcollectingeggs,embryos(胚胎),semenandDNAoftheseanimalsandstoringtheminliquidnitrogen.Ifcertainspeciesshouldbecomeextinct,Dr.DuaneKraemer,aprofessorinTexasA&M'sCollegeofVeterinary,Medicine,saystherewouldbeenoughofthebasicbuildingblockstoreintroducethespeciesint
3、hefuture.Itisestimatedthatasmanyas2,000speciesofmammals,birdsandreptileswillprobablybecomeextinctinover100years.Thepanda,nativeonlytoChina,isindangerofbecomingextinctinthenext25years.Thisweek,Chinesescientistssaidtheygrewanembryobyintroducingcellsfromadeadfemalepandain
4、totheeggcellsofaJapanesewhiterabbit.Theyarenowtryingtoimplanttheembryointoahostanimal.Theentireprocedurecouldtakefromthreetofiveyearstocomplete."Thenucleartransferofonespeciestoanotherisnoteasy,butthelackofavailablepandaeggscouldbeamajorproblem,"Kraemerbelieves."Theywi
5、llprobablyhavetodoseveralhundredtransferstoresultinonepregnancy(havingababy).Ittakesalongtimeandit'sdifficult,butthiscouldbegroundbreakingscienceifitworks.Theyarecertainlynotputtinganylivepandasatrisk,soitisworththeeffort,"addsKraemer,whoisoneoftheleadersoftheProjectat
6、TexasA&M,thefirst-everattemptatcloningadog."Theyaretryingtodosomethingthat'sneverbeendone,andthisisverysimilartoourworkinNoah'sArk.We'rebothtryingtosaveanimalsthatfaceextinction.Icertainlyappreciatetheireffortandthere'salotwecanlearnfromwhattheyareattemptingtodo.Thecoo
7、perationbetweenusisverymuchneeded."1.Thefinalaimof"Noah'sArk"projectisto_______. .A.makeeffortstoclonetheendangeredpandas B.saveendangeredanimalsfromdyingoutC.collectDNAofendangeredanimalstostudy D.transferthenuclearofoneanimaltoanother答案解析：答案为B。本题为细节题。由第二段内容可知，“诺
8、亚方舟”项目的目的在于收集濒临灭绝的动物的卵子、胚胎、精子和DNA，并用液体氮将它们储存起来。如果某些物种灭绝了，将会有足够的基础建设材料再造这些物种。最后一段第二句“We'rebothtryingtosaveanimalsthatf
