高二英语人教版选修8 unit2 Cloning Reading 课件

cloning,Unit2Reading,Howmuchdoyouknowaboutcloning?,Quiz:,Cloningisawayofmakinganexactcopyofanotheranimalorplant.Itcanbedividedintonaturalcloneandman-madeclone.Anaturalcloneisonethatoccursinnatureandaman-madecloneisonethatisprocuredthroughhumanintervention(介入，干预).,Whatsclone?,Arethefollowingclonesthesame?Ifnot,whatisthedifference?,NO.Thefirsttwoareman-madeclones,theresttwoarenaturalclones.,2001cloningcattle,2002cloningcats,2005cloningdogs,Cloning:WhereisitLeadingus?,Reading,Skimming,_Cloninghastwomajorusesandsuccessfulclone._(definition)Cloningisawayofmakinganexactcopyofanotheranimalandplant_TheeffectofDolly._Peoplesreactiontocloninghumanbeings._TheproblemsofDolly.,2,1,4,5,3,Thirdreading-Trueor“False1.Cloningmeansmakingachildofanotheranimalorplant.2.Gardenerscanmakealotofmoneybycloningplants.3.Cloninganimalsisascomplicatedascloningplants.,F,T,F,4.Dollythesheepwasthefirstsuccessfulcloneofamammal.5.Naturalcloneshappeninanimalsaswellasinplants.,T,T,Cloningisawayofmakinganexactcopyofanotheranimalandplant.,Whatiscloning?,Ithappensbothin_andin_.Ithastwokinds:,plants,animals,Naturalclone,Man-madeclone,Para1,Thedefinitionofcloning,1.Howmanymajorusesdocloninghave?Firstly,commercialSecondly,research2.WhenwasthecloningofDollythesheepborn?,Para2,1996,Themajorusesandproceduresofcloning,Atfirst,thefactthatDollydeveloped_inanaturalwaywas_.Later,thenews_shelivedforsixyears,halfthelengthofthelifeofthe_onewas_.Finally,theproblemthatoccurredtothescientistswasthataclonedanimallives_theoriginalone.,Para3,TheproblemsofDolly,normally,encouraging,orginal,that,aslongas/shorterthan/longerthan,disturbing,shorterthan,Theword“controversial”inpara4probablymeans_.A.complicatedB.arguableC.important,Para4,TheimpactofDolly,Trueorfalse:1Peoplefearedthatcloningevilleaderswoulddoharmtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountrieswillusecloninginawiseway.,Para5,PeoplesreactiontocloningHumanbeings.,Manygovernmentsforbadereserchintohumanbeings.,theauthordoesnotstateanypersonalopinionaboutcloning.,A.Objective(befair)B.Negative(beagainstit)C.Positive(beinfavorofit),Thewritersattitudetowardscloning,Because_,Challengeyourself,1.Inthesecondparagraph,theword“straightforward”means_.A.uncomplicatedB.honestC.frankD.difficult,2.Whatisthewritingstyle?Expositive（说明性的）B.Descriptive(描述性的）C.Argumentative（议论性的）D.Narrative（叙述性的）,Animalclonesmaydeveloptheillnessesofolderanimals.,Medicalcloningcouldproducecuresforseriousdegenerativeillnessesinhumans.,Animalclonesmaydieyoungerthanthedonoranimals.,Cloningplantscanproduceplantsofsimilarqualityforsale.,Evilleadersmaywanttoclonethemselves.,Cloningplantscanbeusefulforresearchonnewplantspecies.,Therearemoralobjectionstocloninghumanbeings.,Cloningcanhelpsaveendangeredanimals.,Fillinthechartusingtheinformationfromthetext.,ProcedureofCloningaSheep,Consolidation,Cloneisawayofmakinganexact_ofanotheranimalorplant.Cloninghavetwo_uses.Firstly,gardenersuseitallthetimetoproduce_quantities.Secondly,itisvaluableforresearchonnewplant_andformedicalresearchonanimals.Butthroughthe_anddeathofDolly,cloninghasalotofproblems.Ontheotherhand,weknowcloningiscontroversialinsomecountriesfor_and_reasons.,copy,major,commercial,spec