高中英语阅读训练及答案共2篇.doc

高中英语阅读训练及答案3共2篇AＨoweｖｅr，theideaoｆcｌoｎinghumanｓｓtiｌlｒemaｉns、Wｈileｍanypeｏｐleｆｅｅｌthａtcloninghuｍantisｓue,asfoｒorgａnsfortransｐlantmighｔbｅvaｌuable，maｎyothersfeelthａｔｃlｏningawholehｕｍaｎisunethiｃal(不道德得).Ｆroｍａmoｒａlstandｐoｉnt，muｃhhａstodowiｔhhoｗsomereｐrodｕcｔｉvecloneｓａrｅmａde、Manybeliｅvetｈatanembryo，eｖenｗhｅnsimpｌyfertiｌizedsperm(精子)aｎdｅｇgiｓahumanａndｔhusshoｕldnoｔbｅdesｔroyed、Exｐerimenｔa-tｉonofｅmｂryｏstoｐroducｅclonesoftenreｓｕlｔsｉnｅmbryodeath、Furtｈｅrｓomefeelthatｃlｏnedemｂｒyｏsmighｔbeusedspecｉficａllytｏharvｅstbodypaｒtｓaｎｄｔhenｋilleｄ、Somｅfurthｅrfeelｔｈattheharvestingｏfｓｔemcellsfromaｎeｍbrｙoisａｌｓｏwrong,orthatcreatingembｒyosfortｈｅpurposeofharveｓtingｓtemcellsiｓｕnｅthical、Ｏtｈersar-guethａｔstｅｍceｌlｒｅseａrｃｈmaypoｉｎｔthewaｙtowarｄcu-ringdiseaｓesｆoｒwhichｔｈｅreｉscurrentlynocｕrｅ、Ｉｔｓhoｕldbenotｅd,hｏwｅver，thatｆewｅrpｅoｐleobｊecttｏtheideaoｆｃloniｎｇａｂｏdｙｐaｒtｔhanｃloｎinｇahuman、Ｏｔhersareconcernedaｂoｕｔtｈecｌoｎｉnｇｏｆextiｎctoｒenｄangｅreｄanimals、InfacｔＭｉchａeｌCrichｔon'ｓｎoveｌJu-ｒassicPａrkdealtwithtｈisｔheme、EspeｃiaｌｌｙsｉnceactｕａlｄinｏsaｕrDＮAhasｂeｅnfounｄｒecenｔly,inenouｇhabuｎ-ｄaｎｃetｏｃlone，soｍescｉentistsarｅcoｎceｒnedaboｕｔｔheeｎ-ｖirｏnmｅntalimｐactｔhatcouldｒesultfromrｅpｒoｄｕｃingａlｏngdeadspｅcies、Inｓoｍecouｎtrieｓ，stemcｅlｌresearchhａsｂeｅnsｔoｐpeｄ，whenｉtｉnｖoｌｖesclｏninghuｍanembryoｓ、Oｔherscｉentistｓresｅａrchonｔhepossiｂilｉtyofｆindiｎgstemｃellｓelsewhere,asｉnthｅｕmbiｌicaｌcoｒｄ（脐带)bｌoodoｆnewｂo-rns、Iｔisｓuspｅcｔedｔhatsomecountrieｓｍａybeaｔｔemｐｔingtocloneawｈolehumaｎ,buｔhavenoｔyetａcｈｉｅｖedthｉs、Thoughcｌonｉngismuｃhintheｎｅｗｓ，itｉsｓｔｉｌlａnim-perfecｔscieｎcewithｍorefaiｌｕｒｅstｈaｎsuｃｃessｅsaｔpｒes-ｅnt、Thｉｓsuｇgｅststhatscientisｔｓmａyｎｏtfullyuｎdｅrstanｄalltｈemecｈanisｍs(机制)inｖｏlvｅdinｃreatｉngaｎexacｔcoｐｙoｆａｎotｈｅrorganisｍ、Wiｔhｆｕrtｈｅrrｅseaｒch,sucｈmｅchａnisｍsmaybeuｎdeｒstｏodandcleaｒtｈewaytｏｗardmakｉngｃｌｏnes、Ｙｅt,doingsoislikeｌｙｔoresultinｃｏntinuｅｄargumｅnt、1．Asuｉtaｂletitleforｔｈiｓｐaｓｓaｇewouldbe＿＿______、Ａ．ＷaysofＣlｏｎingB.Cloning—ＹesorNo?C.AdvaｎtagｅsoｆCloｎｉngD．ＤｉsａdｖａnｔａgesofＣｌｏning解析:选B。主旨大意题。由最后一句“Yｅt,doｉｎgｓoisｌikeｌｙtorｅsｕltｉｎcｏntｉnueｄargumenｔ、”可推知B项最符合题意。2.Tｈesecｏnd,thirdａndfｏurthpaｒａgｒaphmａinl