高中英语-Book-5-U3-Welcome-to-the-unit修改课件-牛津版必修5.ppt

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,*,Welcome to the unit,Unit,3,Height-increasing operations,an adult with a tiny figure,Will you recommend this operation to your friend or will you try it yourself?,Science,VS.,Nature,versus,against,nature,science,brainstorming,GM food,cloning,dams,artificial rainfall,organ transplant,air-condition,cloud seeding,plastic surgery,euthanasia,Genetically Modified Food(,转基因食品）,Dolly,Normal sheep,Cloning:,Dolly the sheep:,The worlds,attitudes:,producing an exact copy of a plant,or an animal using its cells,the first mammal,born in 1996,died in early 2003,1)be angry,(create more diseases),2)be praised for,their breakthrough,Dollys,genetic,mother is a sheep.Ian just created her,so he isnt Dollys father,g,_ though he is called Dolly Father.,enetically,1.The two,cells,are combined and become one cell.,2.The cell grows into an,embryo,which is put into the body of another female sheep.,3.A sheep is,delivered,.,copy,What about,a cloned“,you,”?,Girls VS.Boys,Is it a good idea to clone humans some day?,summary,