高中英语：unit2cloning课件 人教版选修8.ppt

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1、cloningUnit2DollyclonedsheepLead-inWhichanimalwillyouthinkofwhenwetalkaboutcloning?Anyotheranimalshavebeencloned?2001Clonedcattle2002Clonedrabbit2002Clonedcats2005Cloneddog2005Clonedhorse2006年克隆的荧光小猪(clonedfluorescentpig)(左)和正常小猪(右)Cloning:WhereIsItLeadingUs?ReadingTeachingaims1.Havestudentsunde

2、rstandthepassageandlearnmoreaboutcloningbyextensivereading.使学生通过泛读理解文章,更进一步了解克隆.2.Enablestudentstostatetheiropinionsaboutcloning.使学生阐述对于克隆这一问题的看法.Learningtip自学建议通读全文，整体上把握文章的结构，以及各段的中心思想。逐段阅读，掌握每段的细节和关键信息。与同学讨论，共同解决问题。Attention注意：切忌遇见生词就查字典，应该尽量根据语境猜测词义。______TheproblemsofDolly______Themajoruses

3、andproceduresofcloning______Thedefinitionofcloning______People’sreactiontocloning______TheimpactofDolly21345Task1MainideaofeachparagraphCloningisawayofmakinganexactcopyofanotheranimalorplant.Para1ThedefinitionofcloningTask2Detailsineachparagraph1.Howmanymajorusesdocloninghave?Firstly,…commercial

4、…Secondly,…research…2.WhenwasthecloningofDollythesheepborn?Para21996ThemajorusesandproceduresofcloningGreyWhiteBlackDreamtohaveawhitelambWhocanhelpme?取核组合培养植入去核Somaticcell乳腺细胞Eggcell卵细胞Nucleus细胞核theclonedsheepafewmonthslaterBlackGreyAtfirst,thefactthatDollydeveloped______inanaturalwaywas________

5、__.Later,the__________newscamethatDollybecameseriously__________.Finally,theproblemthatoccurredtothescientistswasthataclonedanimallives_____________theoriginalone.Para3TheproblemsofDollynormallyencouragingaslongas/shorterthan/longerthandisturbingshorterthanillTheword“controversial”inPara4probab

6、lymeans____________.A.complicatedB.arguableC.importantPara4TheimpactofDollyTrueorfalse:1PeoplefearedthatClonedevilleaderswoulddoharmtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountrieswillusecloninginawiseway.Para5People’sreactiontocloningSomegovernmentsforbadereserchintohuman

7、beings.FTTtheauthordoesnotstateanypersonalopinionaboutcloning.A.Objective(befair)B.Negative(beagainstit)C.Positive(beinfavorofit)Because_________________________________________________________________Task3Thewriter’sattitud