人教新课标版高二选修8 Unit2 Cloning-Reading 教学教案2.ppt

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1、cloningReadingDollyDollythesheepHowdoesDollydifferfromothersheep?Shewasclonedwhiletheotherswerebornnaturally.Dollywasa______sheep.bedifferentfromclonedCloneCloningisawayofmakinganexactcopyofanotheranimalandplant.Whatiscloning?Ithappensbothin______andin______

2、_.Theycanbeclonedby________and_______.plantsanimalsthemselveshumansNaturalcloneMan-madecloneThedefinitionofcloning1.Howmanymajorusesdocloninghave?Firstly,…commercial…Secondly,…research…2.Howmanyfemalesheepparticipateinthecloningofanewsheep?Para23Themajoruses

3、andproceduresofcloningAtfirst,thefactthatDollydeveloped______and_________producedalambinanaturalwaywas__________.Later,thenews_____shelivedforsixyears,halfthelengthofthelifeofthe______onewas__________.Finally,theproblemthatoccurredtothescientistswasthataclon

4、edanimallives_____________theoriginalone.Para3aslongas/shorterthan/longerthanTheproblemsofDollyTheword“controversial”inpara4probablymeans____________.A.complicatedB.arguableC.importantPara4TheimpactofDollyTrueorfalse:1PeoplefearedthatClonedHitlerswoulddohar

5、mtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountrieswillusecloninginawiseway.Para5People’sreactiontocloningManygovernmentsforbaderesearchreserchintohumanbeings.A.Positive(beinfavorofit)B.Negative(beagainstit)C.ObjectiveThewriter’sreaction

6、towardscloning1.Themainideaofthetextis____A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden.C.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsaren

7、otsureaboutitsfuture.Choosetherightansweraccordingtothetext.2.Dollythesheep_____.lookedexactlylikethesheepthatprovidestheegg.wastheexactcopyofthesheepthatprovidesthenucleus.C.lookedlikethesheepthatgavebirthtoit.D.hadthecharacteristicsofallthreesheep.3.Itcanb

8、einferredfromthepassagethataclonedanimal_____.A.usuallylivesaslongastheoriginaloneB.usuallyliveslongerthantheoriginaloneC.usuallylivesshorterthantheoriginaloneD.isusuallyashealthyastheorigin