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ID:38981273
大小:1.47 MB
页数:50页
时间:2019-06-22
《book8_Unit2《Cloning》 2》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、ReadingCloning:WhereisitLeadingus?WarmingupHowmuchdoyouknowaboutcloning?Howmuchdoyouknowaboutcloning?第一只克隆宠物猫克隆马及其“母亲兼姐姐”2001clonedcattle2002clonedcats2005cloneddogsDollythesheepwasthefirstsuccessfulcloneofamammal(哺乳动物).Dollythesheep(1996-2003)Inpairs,loo
2、katthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-made.Explainhowtheydiffer.Pre-readingstrawberry依靠它沿地“爬走”的匍匐茎,一年内就能长出数百株草莓苗仙人掌(cactus)每块落地就生根Twinsidentical(一模一样的)insexandappearance富贵竹(luckybamboo)插枝即活克隆的荧光小猪(左)和正常小猪(右)Naturalcloneison
3、ethatoccursinanaturalformofcloningwithouthumanhelp.Man-madecloneisonethatproducedthroughhumanintervention(介入).ReadingCloning:WhereisitLeadingus?FastreadingMatchthemainideawitheachparagraph.Para1Para2Para3Para4Para5Thedefinition(定义)ofcloningTwomajoruseso
4、fcloningThenewsofDollyTheimpact(影响)ofDollyPeople’sreactiontohumancloning.carefulreadingReadthepassagecarefullyandfinishtheexercises.WhatisCloning?Cloningisawayofmakinganexact_____ofanotheranimalorplant.Itcanbedividedinto_____cloneandman-madeclone.Para1nat
5、uralcopyPara2TwomajorusesofcloningCloninghastwomajoruses.Firstly,gardenersuseittoSecondly,itisvaluableforandforPara2TwomajorusesofcloningCloninghastwomajoruses.Firstly,gardenersuseittoproducecommercialquantitiesofplants.Secondly,itisvaluableforandforPara2
6、TwomajorusesofcloningCloninghastwomajoruses.Firstly,gardenersuseittoproducecommercialquantitiesofplants.Secondly,itisvaluableforresearchonnewplantspciesandformedicalresearchonanimals.Para3ThenewsofDollyTheencouragingnewsisThedistubingnewsisPara3ThenewsofD
7、ollyTheencouragingnewsisthatsheseemedtodevelopnormally.ThedistubingnewsisPara3ThenewsofDollyTheencouragingnewsisthatsheseemedtodevelopnormally.ThedistubingnewsisthatDollyhadbecomeseriouslyillandlivedonlyhalfthelengthofthelifeoftheoriginalsheep.Theword“con
8、troversial”inpara4probablymeans____________.A.complicatedB.arguableC.importantPara4TheimpactofDollyPara5People’sreactiontocloninghumanbeings.ItseemsthatChinaandtheUKtendtobelievePara5People’sreactiontocloninghumanbe
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