,单击此处编辑母版标题样式,*,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,设计：韩福玲,审核：高二英语组,2016.05.,Unit2 Period1(,第一课时,),Cloning:Where,is it leading us?,Unit2 Period1(第一课时),学习目标：,1、掌握本部分的重点单词、短语和句型。,2、培养学生的阅读能力。,3、让学生了解什么是克隆，克隆的利弊及对克隆技术的反思。,学习重难点,：,培养学生的阅读能力,学习目标：,strawberry,strawberry,natural clones,一株草莓依靠它沿地爬走,”,的匍匐茎,一年内就能长出数百株草莓苗,natural clones一株草莓依靠它沿地爬走”的匍匐茎,Clone,Natural clone,Man-made clone,Natural clone,is one that occurs from the“parent”,in a natural form of cloning,without human help.,Man-made clone,is one that produced,through human intervention(介入).,Information,Clone Natural cloneMan-made cl,Dolly,Twins,cactus,DollyTwinscactus,仙人掌每块落地就生根,natural clones,仙人掌每块落地就生根natural clones,natural clones,They are twins identical in sex and appearance,producing from the same original egg,.,natural clonesThey are twins,c,man-made clone,cman-made clone,_,vi.,不同,;,相异,adj.,different,adv.,different,ly,exact,adj.,精确的,;,准确的,adv._,3.,commercial,adj.,商业的,;,贸易的,4,.forbid,vt.,禁止,;,不准,过去式,_,过去分词,_,5._,n.,(carry+er),携带者,;,搬运工,.,6.,straightforward,adj.,（,straight+forward),简单的,;,直接的,;,坦率的,7.,undertake,vt,.(under+take),着手,;,从事,;,承担,过去式,_,过去分词,_,8.,breakthrough,n.(,break+through),突破,9,.object,vi.,反对,;,异议,n.,objec,tion,10,.correct,v.,改正,;,纠正,n.,_,differ,exact,ly,forbade/forbad,forbidden,carrier,undertaken,undertook,correc,tion,预习导航,_ vi.不同;相异 adj.differe,探究活动一,.Skimming(Fast reading),Skim the passage and get the main idea of each paragraph.,Para 1 A.The problems of Dolly,Para 2 B.The two major uses,and procedures of cloning,Para 3 C.The attitudes towards,cloning,Para 4 D.The definition(,定义,)of,cloning,Para 5 E.The effect of cloning in society,探究活动一.Skimming(Fast reading),探究活动二,Scanning,(detailed reading),探究活动二 Scanning,What is cloning?,Para 1,The definition of cloning,Cloning is a way of making an exact copy of another animal and plant,.,What is cloning?Para 1 The de,1.What are the major uses of cloning?,Firstly,commercial,Secondly,research,2.When was the cloning of Dolly the,sheep born?,3.Is cloning animals straightforward,or complicated?,Para 2,in 1996,The major uses and procedures of cloning,It is complicated.,1.What are the major uses of,somatic cell,embryo,the carrier of the clone,nucleus,egg cell,lamb,nucleus,Female sheep A,Female sheep B,Female sheep C,somatic cellembryothe carrier,Have you got the following information?,1.How many sheep were needed to clone,Dolly the sheep?2.The nucleus from one sheep and the egg,cell from another sheep are joined using,_.3.The lamb,（羊羔）,is the clone of sheep,_.,Three,electricity,B,Have you got the following in,The problem,of Dolly,Dolly had become_,and developed the illness of,_.,She lived only _,half the length of the _,sheep.,The effect of cloning in society,It raised a storm of _and had a great impact on _and _.,It opened everybodys eyes to the possibility of using cloning to cure _ and even producing _.,Para 4,Para 3,original,objections,the,media,public,imagination,serious illnesses,human beings,seriously ill,six and a half years,much older animals,Dolly had become_,True or false:,1.People feared that cloned,Hitler,would do harm to the world.,2.Religious leaders,agree to clone great people.,3.All the research into human cloning will be forbidden.,4.Some countries will use cloning in a wise way.,Para 5,The attitudes towards cloning,T,T,F,F,Religious leaders raised moral questions.,Some governments forbade research into human cloning.,True or false:Para 5The attitu,A.Negative(be against it),B.Objective(not mentioned),C.Positive(be in favor of it),探究活动三,1.What is the writers attitude towards cloning?,A.Negative(be against it)探究,Fill in the blanks according to the text.,Cloning is a way of making an exact copy of another animal or plant.Cloning plants is 1,_ while cloning animals is a difficult task to2 _.But in 1996 the determination and patience of the scientists3 _ _ with a4 _-the cloning of Dolly.However,because of Dollys serious illness,cloning scientists were5 _ _.On the other hand,Dollys appearance raised a storm of6 _.Some countries even7 _ research into human cloning.,straightforward,undertake,paid off,breakthrough,cast down,objections,forbade,Fill in the blanks according t,Talking bar,：,Speak out your opinions about cloning,Whether cloning is helpful or harmful to us?,A reporter from“Approaching Science”is interviewing three famous scientists about it.,Talking bar：Speak out your opi,Key words and expressions,commercial plants,(,plants,of similar quality for sale),research on/cure illness/,save endangered animals,illnesses of older animals./,die younger,/,evil leaders/,moral objections,Key words and expressions com,Draw a conclusion,:,Cloning has two aspects.,If we use it in a correct way it can benefit us.But if it is used in an evil way it can