新人教版高中英语选修8Unit2 Cloning教案VIP免费

Unit2CloningTeachingaims:TopicTalkingaboutcloningUsefulwordsandexpressions:Strawberry,differ,exact,straightforward,breakthrough,disturbing,cast,altogether,objection,media,ceiling,shortly,retire,assumption,merely,decoration,zebra,aloud.Expressions:castdown,objectto,themedia,infavourof,boundto,fromtimetotime,bringbacktolife,payoff.3.Functionalitems:ExpressingandsupportinganopinionI’mhappytoaccept…but…I’mnotbotheredabout…Iwouldneveraccept…Idon’tmindbut…Ihopeyou’llcarryon…Areyousureyouwantto..?Iagreewithyouthat…Isitfairto…?Doyouthinkitiswiseto…?Ithinkyoushould…Welldonetoyoufor…Idon’tunderstandwhyyoudon’t…Ican’thelpthinking…Icouldneveragreeto…4.GrammarReviseNounClauses(astheAppositive)Nobodysharesmybeliefthathewasmad.Theyarefamiliarwiththeopinionthatallmatterconsistsofatoms.Thesuggestioncamefromthechairmanthatthenewruleshouldbeadopted.Teachingprocedures用心爱心专心Period1ReadingStep1.WarmingupA.Leadin:Ifnecessary,introducesomethingaboutcloningbyquestionsandanswers:Thethreetypesofcloning:1.recombinantDNAtechnologyorDNAcloning;2.reproductivecloning;3.therapeuticcloningB.DiscussthepicturesonP10,thenfinishthewarming-upexercises.Questionsaboutcloning:What’scloning?Howisacloneproduced?Whatbenefitscanhumansgainfromcloning?Whatproblemsmayarisewhenhumansarecloned?Shouldweclonehuman?Couldcloningreplacesexasthemeansofcreatinghumanlife?Step2.ReadingTask1:Ssscanthepassageandtrytogetthemainideaofeachparagraph:Suggestedanswers:Para.1Cloningisawayofmakinganexactcopyofanotheranimalandplant.Para.2Cloninghastwomajoruses.Para.3TheproblemsofDolly.Para.4TheeffectofDollyPara.5Itisforbiddentoclonehumanbeing.Task2:SsreadandfinishEx1-3onpage12Period2.LanguagelearningStep1.RevisionSsretellthetext.Step2.LanguagepointsExplainthefollowingsentences:itisawayofmakinganexactcopyofanotheranimalandplant.它是一种精确复制另一个动物或植物的方式.Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.用心爱心专心多利的出现引起了一场反对的风暴,并且对媒体和公众思想产生了很大的冲击.However,scientistsstillwonderwhethercloningwillhelporharmusandwhereitisleadingus.然而科学家一直致力于研究克隆到底会有助于我们还是会伤害我们,它将会把我们引向何方.Iwouldliketosuggestthatmedicalcloningisnotassimpleanissueasmanycolleagueclaims.我认为医用克隆技术并不像很多同事们所说的那么简单。5．Ifyoubelievethathumanlifecomesintoexistenceassoonasthecellsstarttogrow,thenthepracticeofremovinghumanstemcellsfromanembryokillsit.如果你认为人的生命在细胞开始生长时就形成了，那么从胚胎中去除人体干细胞就会杀死这些胚胎。Step3LearningaboutlanguageSsfinishEx1-4onp13-14.Step4.PracticeAsktheSstodoEx.1--2onpage55-56.Period3.ListeningandspeakingStep1.RevisionGooverthelanguagepointswiththeSstogether.CheckSs’homework.Step2.ListeningTask1:SslistentothetapeandfinishEx1-2onpage17.Step3.talkingTask2:PracitceEx3onp17.Thefollowingexpressionsmaybeofhelptothestudents:I’mhappytoaccept…but…I’mnotbotheredabout…Iwouldneveraccept…Idon’tmindbut…Ihopeyou’llcarryon…Areyousureyouwantto..?用心爱心专心Iagreewithyouthat…Isitfairto…?Doyouthinkitiswiseto…?Ithinkyoushould…Welldonetoyoufor…Idon’tunderstandwhyyoudon’t…Ican’thelpthinking…Icouldneveragreeto…Step4.Listening(onpage54)Task3:SslistentothetapetwiceandfinishEx1-3onpage54.(Wb)Step5.SpeakingTask4:Ssinpairspracticethetalkingonp55.Period4.Grammar:ReviseN...