【优化方案】高二英语(人教版必修8)Unit2SectionⅡ课时作业

【优化方案】高二英语(人教版必修8)Unit2SectionⅡ课时作业

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1、I•阅读理解AuthorsKyleKurpinskiandTerryD・Johnsonprettymuchhavemeconvincedthathumancloningisquitepossibleandisafuturecertainty.KurpinskiandJohnsonarebothbioengineeringexperts;unlikesimilarscientistsyouhaveseeninthemovies,theybothhaveasenseofhumor.WhatsurprisesmeisthatKurpinskiandJohnsonareabletotakesomet

2、hingascomplicatedasDNAandmakeitunderstandable.ThebookHoivtoDefeatYourOwnCloneteachesuswhatisnowknownasDNA-encoded(编码),howthathappens,andwhypeoplewithsimilarDNAdon'tlookoractthesame.ThebooknotonlyhelpsusgetabasicunderstandingofwhatDNAanditspurposeare,butalsoexplainscloningandstemcell(干细胞)research.lt

3、occurstomethatalotofpeoplewhoareagainststemcellresearchdon'tknowwhattheyareprotestingabout.Theauthorsprovideahistoryofcloning,aswellasinformationaboutstemcells.Therealfunstartswhentheauthorsattackvariousmythsaboutcloning.Obviously,toomanypeoplehavebeenwatchingtoomanybadmoviesandtelevisionprograms.R

4、ememberthey^rejustfictionalstories.IGsomehow,scientistsmanagetocloneyou.Twentyyearsfromnowyourcloneisn’tgoingtokillyou.Amongthemythsexploredandexplodedarethataclonewillknoweverythingyouknowandwillactasyoudo,thatheadswhicharecutoffcanbekeptalive,andthataclonehasnobellybutton(月上脐)•Manyofthemythsareri

5、diculousbutmanypeoplebelieve(hem.KuipinskiandJohnsonalsodetailsomebio-improvementsuthatreallyworkYousee,genescanbecontrolledtohelpyousleepbetterandbecomesmarter,healthier,andtaller.Well...notexactlyyou,butfuturegenerations.Ifyoudowindupinabattlewithyourownclone,whowillbeconsiderablyyoungerthanyou,r

6、ememberthatitisnotyouandthatitdoesn‘tknowwhatyouknow.crazy解析:选C。推理判断题。从第一段的...unlikesimilarscientistsyouhaveseeninthemovies,theybothhaveasenseofhumor.可知电影中的生物工程学家一般都是没有幽默感的。2.WhichofthefollowingthingsareinthebookHowtoDefeatYourOwnClone?a.WhatDNAanditspurposeare.b.Whoisagainstcloning・c-Thehistoryofc

7、loning.d.Themythsaboutcloning・e.Thedisadvantagesofcloning・A.a,b,eB.a,c,db,d,eD.b,c,d解析:选B。细节理解题。从第二段的ThebooknotonlyhelpsusgetabasicunderstandingofwhatDNAanditspurposeare...Theauthorsprovideahistoryofcloning

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