高二英语人教新课标选修八第二单元Cloning课件

Unit2CloningStarWar:Episode2:Attackoftheclones星战前传2：克隆人的进攻TheSixthDay第六日(施瓦辛格)______________：isonethatoccursinanaturalformofcloningwithouthumanhelp.__________________:isonethatis

producedthroughhuman

intervention(介入).TwokindsofclonesWarmingupNaturalcloneMan-madecloneLookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-made.Explainhowtheydiffer.DiscussionAstrawberry

plant_________cloneThenewplantsthatgrowfromtherunners（长匐茎植物）areexactcopiesoftheo______(原始的)plant.NaturalriginalGrowingnewplants___________cloneMan-madeTwinsTheyarebornnaturallyandidentical(一模一样)in____and___________.sexappearance_________cloneNaturalDollywasa______sheep.clonedThesheepDollyIn1996,Dollywasborn.Itisthefirstmammal

tobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.cloning

Whereisitleadingus?Book8unit2Reading

Listentothetapeandfindoutthemainideaofeachparagraph.SkimmingThemainideaofeachparagraph.A.Theimpact

ofDolly.

B.Cloningisawayofmakinganexactcopyofanotheranimalandplant.C.People’sreaction

tocloning.D.Cloninghastwomajor

uses.E.Theproblems

ofDolly.

Paragraph1Paragraph2Paragraph3Paragraph4Paragraph5Themainideaofthetextis____

A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenC.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.主旨大意Whereisitleadingus?scanningReadingCloningisawayofmakinganexactcopyofanotheranimalandplant.Whatiscloning?Ithappensbothin______andin_______.Theyareboth_______plantsanimalsPara1

Thedefinitionofcloningnaturalclones1.Themajoruses:Firstly,…commercial…Secondly,…research…Para2Themajorusesandproceduresofcloning2.Inthisparagraph,theword“straightforward”means____.A.uncomplicatedB.honestC.frankD.difficultCloningplantsis

straightforwardwhile(表对比)cloninganimalsisverycomplicated.

ThecloningofDollythesheepsucceededbecause____.A.it’seasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed细枝末节Theirdeterminationandpatienceofthescientistspaidoff.First,thefactthatDollydeveloped______inanaturalwaywas__________.Later,thenewsthatDollyhadbecomeseriouslyillwas__________.Finally,theproblemthatoccurredtothescientistswasthataclonedanimallives_____________theoriginalone.Para3TheproblemsofDollynormallyencouragingA.aslongasB.shorterthanC.longerthandisturbingshorterthan4.Thesheepthatdonated

thesomatic

cellmostprobablylived____years.A.3B.6C.9D.13推理判断AltogetherDollylivedsixandahalfyears,halfthelengthofthelifeoftheoriginalsheep.Theword“controversial”inpara4probablymeans:____________.A.complicatedB.arguableC.importantD.traditionalPara4TheimpactofDollyIts’appearanceraised

and

themediaandpublicimagination.astormofobjectionshadagreatimpactonTrueorfalse:1.PeoplefearedthatClonedevilleaderswoulddoharmtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountrieswillusecloninginawiseway.Para5People’sreactiontocloningManygovernmentsforbaderesearchintohumanbeings.Furtherunderstandingtheauthordoesnotstateany

personalopinionaboutcloning.A.Objective(befair)

B.Negative(beagainstit)C.Positive(beinfavorofit)Thewriter’sattitudetowardscloningBecause_________________________________________________________________ToCloneornottoclone，thatisaquestion.Practiceactivity:Debate

Areyouinfavorofcloningoragainstcloning?Stateyourpointofviewonit.ＶＳForAgainstAdvantage(goodpoints)Disadvantage(badpoints)ItcanmakemoreprofitsforgardenersandfarmersWecouldusecloningtocureillnessCloningcanhelpsaveendangeredanimalsCloningcanprovideacopyofachildforacouplewhosechildhasdiedClonedanimalsiseasytogetillanddieyoungAgainstnatureandmoralAnimalsclonesmaydeveloptheillnessofolderanimalsEvilleadersmaywanttoclonethemselvesPeopleareafraidthatscientistswillcreatethousandsofcopiesofthesameperson.Cloningisagreatbreakthrough

tohumanbeingsHomework:基础写作写作情景：今天我们班同学讨论了有关克隆的问题。同学们热烈发表了评论和表达了自己的看法；他们主要有两种不同的意见：写作内容：