thereturnofdinosaurs.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,*,人教新课标版选修八,Unit 2 Cloning,Using Language,周 凤,Lets enjoy a video!,The film,Jurassic Park,is popular because people are interested in thesubject of cloning.,The Return of the Dinosaurs?,lets listen,Please get the main idea of each paragraph.,Match the main idea of each paragraph.,Paragraph 1,Paragraph 2,Paragraph 3,explain the impossibility of,cloning dinosaurs,conclude that cloning dinosaurs,is merely a dream,intrduce the topic of the passage,Lets read!,Is it possible for dinosaurs to be brought,back to life by cloning?Give your reasons.,perfect DNA,enough diversity,a suitable habitat,Unfortunately,with what we know,now,the,chance of dinosaurs ever returning to the,earth is merely a dream.,Why does the author use the word“now”?,Because the author wants to suggest that,we may settle the problem one day.Only,time will tell.,As students,we should work hard to,make contributions to the future.,Should human cloning be allowed?,for,against,Supporters reasons:,It will make couples(unable to have babies),realize their dream of being parents.,2.Replacing a dead child is a comfort for some,parents who have lost their kid.,3.Treatments for many incurable diseases can,be found with its help.,4.It creates great wealth and is of great benefit,to society.,Opponents reasons:,It will give rise to,(cause),some worries,raising a number of moral problems involved.,Cloned people may be taken advantage,of by some evil persons.,3.Cloned people with lots of genes arranged,in the same way may cause the spread of,new diseases.,Write a report about your discussion,using the following guidance.,Para.1:,State the question.,Para.2:,Give the ideas that agree with the,question and the reasons.,Para.3:,Give the ideas that disagree with,the question and the reasons.,Para.4:,Give your opinion,Structure,Our class have had a heated debate about,_.,Opinions vary from person to person,.,Supporters,think,_.,First of all,_.,Besides,_.,In addition,_.,On the contrary,opponents say,_.,Firstly,_.,Worse still,_.,Last but not the least,_.,As far as Im concerned,_,because,_.,Should human cloning be allowed?,Our class have had a heated debate about,whether we,should clone human beings.,Opinions vary from person to,person,.,Supporters think,we should be in favour of human,cloning.,First of all,it will make couples unable to have,babies realize their dream of being parents.,Besides,replacing a dead child is a comfort for some parents who,have lost their kid.,On the contrary,opponents say,we should object to,human cloning.,Firstly,it will give rise to some worries,raising a number of moral problems involved.,Worse still,cloned people may be taken advantage of by some evil,persons.,As far as I am concerned,human cloning should be fully,developed.As the old saying goes,every coin has two sides.,If we can make proper use of cloning technology,I believe it,will benefit us a lot.,Homework,1.Search the Internet for,some,information about,cloning.,2.,Polish your composition.,Goodbye,