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1、高二英语选修8Unit2Cloning-Reading教学设计与反思教材分析本单元以Cloning为话题，旨在通过单元教学，使学生了解克隆技术的优缺点，学会表达和支持个人观点，能用所学的有关Cloning的词汇去表述自己对这一新技术的观点和看法。二•教材重组从话题内容上分析，WarmingUp与Reading相一致；而从训练目的上分析与TALKING比较一致。从教材份量來说，可将WarmingUp和Reading整合在一起，设计成一节任务型“阅读课（精读课）”。三教学冃标TeachinggoalsI・Targetlanguage目标语言a.
2、重点词汇和短语clone,commercial,producer,undertake,arbitrary,object,forbid,accumulate,castdown,objectto,themedia,infavourofb.重点句子Itisawayof•…Thefactisthat•…Thequestionthatoccurredis....2.Abilitygoals能力目标Enablethestudentstodescribecloning:Whatistheadvantagesofcloning?Whatistheprobl
3、emsordangersofcloning?Whatisyouropinionofcloning?3.Learningabilitygoals学能目标Helpthestudentslearnhowtodescribecloning.Teachingimportantpoints教学重点Howtodescribecloning.Teachingdifficultpoint教学难点Helpthestudentsanalyzethewritingtechniquesofthearticle.Teachingmethods教学方法Skimming,
4、task-basedmethodanddebatemethod.Teachingaids教具准备Arecorder,aprojectorandsomeslides.Teachingprocedures&ways教学过程与方式StepILead-inShowsomepicturesofDollythesheep（多莉羊）、Astrawberryplant（草莓植物）、Twins（双胞胎婴儿）、Identicaldogs（克隆狗）的图片，onthescreen.Getstudentstolookatthepicturesanddiscuss:w
5、hichonesarenaturalclonesandwhichonesareman-made?Thenexplainhowtheydiffer.S:IthinkthetwinsarenaturalclonesandtheDollysheepisman-made.T:Youareright!Canyouexplainhowtheydiffer?S:Thetwinswerebornatthesametime,buttheDollysheepisman・made.T:Anythingelse?Whowanthaveatry?S:Ithinkth
6、eidenticaldogisman-made.T:GoodJob【设计说明】克隆技术是一门前沿科技，学生对此兴趣浓厚，利用幻灯片展示当今克隆技术产生出来的动植物照片，学生的兴趣被瞬间激发，注意力高度集中，学习的热情高涨。这就为进一步的学习做足了铺建。StepIIPre-readingBeforeclass,askthestudentstosearchforsomeinformationaboutthistopic.Nowshowthequestionsonthescreen,andthenletthemworkinpairsanddisc
7、ussaboutcloning.Askthestudentstolistthequestionstheywanttofindoutandthensharetheirlistswiththeirpartners.Questionsaboutcloning:1.Whatisaclone?2.Howisacloneproduced?3.Whatbenefitscanhumansgainfromcloning?4.Whatproblemsmayarisewhenhumansarecloned?5.Shouldweclonehuman?6.Could
8、cloningreplacesexasthemeansofcreatingnewhumanlife?7.Couldaparentcloneachildwhoisdyingofat
