高二英语人教新课标选修八第二单元Cloning课件

Unit2Cloning,StarWar:Episode2:Attackoftheclones星战前传2：克隆人的进攻,TheSixthDay第六日(施瓦辛格),_：isonethatoccursinanaturalformofcloningwithouthumanhelp.,_:isonethatisproducedthroughhumanintervention(介入).,Twokindsofclones,Warmingup,Naturalclone,Man-madeclone,Lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-made.Explainhowtheydiffer.,Discussion,Astrawberryplant,_clone,Thenewplantsthatgrowfromtherunners（长匐茎植物）areexactcopiesoftheo_(原始的)plant.,Natural,riginal,Growingnewplants,_clone,Man-made,Twins,Theyarebornnaturallyandidentical(一模一样)in_and_.,sex,appearance,_clone,Natural,Dollywasa_sheep.,cloned,ThesheepDollyIn1996,Dollywasborn.Itisthefirstmammaltobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.,cloning,Whereisitleadingus?,Book8unit2,Reading,Listentothetapeandfindoutthemainideaofeachparagraph.,Skimming,Themainideaofeachparagraph.,A.TheimpactofDolly.B.Cloningisawayofmakinganexactcopyofanotheranimalandplant.C.Peoplesreactiontocloning.D.Cloninghastwomajoruses.E.TheproblemsofDolly.,Paragraph1Paragraph2Paragraph3Paragraph4Paragraph5,Themainideaofthetextis_A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenC.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.,主旨大意,Whereisitleadingus?,scanning,Reading,Cloningisawayofmakinganexactcopyofanotheranimalandplant.,Whatiscloning?,Ithappensbothin_andin_.Theyareboth_,plants,animals,Para1Thedefinitionofcloning,naturalclones,1.Themajoruses:Firstly,commercialSecondly,research,Para2,Themajorusesandproceduresofcloning,2.Inthisparagraph,theword“straightforward”means_.A.uncomplicatedB.honestC.frankD.difficult,Cloningplantsisstraightforwardwhile(表对比)cloninganimalsisverycomplicated.,ThecloningofDollythesheepsucceededbecause_.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed,细枝末节,Theirdeterminationandpatienceofthescientistspaidoff.,First,thefactthatDollydeveloped_inanaturalwaywas_.Later,thenewsthatDollyhadbecomeseriouslyillwas_.Finally,theproblemthatoccurredtothescientistswasthataclonedanimallives_theoriginalone.,Para3,TheproblemsofDolly,normally,encouraging,A.aslongasB.shorterthanC.longerthan,disturbing,shorterthan,4.Thesheepthatdonatedthesomaticcellmostprobablylived_years.A.3B.6C.9D.13,推理判断,AltogetherDollylivedsixandahalfyears,halfthelengthofthelifeoftheoriginalsheep.,Theword“controversial”inpara4probablymeans:_.A.complicatedB.arguableC.importantD.traditional,Para4,TheimpactofDolly,Itsappearanceraisedandthemediaandpublicimagination.,astormofobjections,hadagreatimpacton,Trueorfalse:1.PeoplefearedthatClonedevilleaderswoulddoharmtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountrieswillusecloninginawiseway.,Para5,Peoplesreactiontocloning,Manygovernmentsforbaderesearchintohumanbeings.,Furtherunderstanding,theauthordoesnotstateanypersonalopinionaboutcloning.,A.Objective(befair)B.Negative(beagainstit)C.Positive(beinfavorofit),Thewritersattitudetowardscloning,Because_,ToCloneornottoclone，thatisaquestion.,Practiceactivity:DebateAreyouinfavorofcloningoragainstcloning?Stateyourpointofviewonit.,For,Against,Itcanmakemoreprofitsfor,gardenersandfarmers,Wecouldusecloningtocure,illness,Cloningcanhelpsave,endangeredanimals,Cloningcanprovideacopyofachildforacouple,whosechildhasdied,Clonedanimalsiseasytogetilland,dieyoung,Againstnatureandmoral,Animalsclonesmaydeveloptheillnessof,olderanimals,Evilleadersmaywantto,clonethemselves,Peopleareafraidthatscientistswillcreatethousandsofcopiesofthesameperson.,Cloningisagreatbreakthroughtohumanbeings,Homework:基础写作,写作情景：