高二英语人教新课标选修.pptx

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1、霸王龙霸王龙 tyrannosaurus第第1页页/共共18页页剑龙剑龙stegosaurus第第2页页/共共18页页雷龙雷龙 brontosaurus第第3页页/共共18页页翼龙翼龙pterodactyl第第4页页/共共18页页 Whats the main idea of the text?Para1 explain the impossibility of cloning dinosaurs Para2 conclude that its just a dreamPara3 introduce the topic of the passage Reading Comprehension

2、I第第5页页/共共18页页What is the writers attitude towards cloning the dinosaurs?A.Supportive.B.Neutral(中立的中立的).C.Negative(否定的否定的).D.Subjective(主观的主观的).第第6页页/共共18页页Why is it either impossible or unsuitable to clone dinosaurs.?(Give some reasons.)Reason 1:Reason 2:Reason 3:DNADiversity Habitat第第7页页/共共18页页1.Sc

3、ientists are still experimenting with cloning mammals because they think it can make money.2.If we can clone any extinct animals,we should let them live in a zoo.Reading Comprehension 第第8页页/共共18页页 Summary:A good passage usually has a clear organization or structure.Bullet points (first,second,third)

4、Good or useful sentence patterns (transitions 连词连词)The structure:the three-paragraph form(三段式三段式)第第11页页/共共18页页WritingThe cloning of human beings From time to time people suggest that can possiblybe brought back to life through cloning.Unfortunately,withwhat we know now,this is either impossible or u

5、nsuitable.Here are the reasons：Firstly,Secondly,Finally,So I think,based on what we know now,you cannot .It is merely a dream.第第12页页/共共18页页 Whats your opinion of cloning dinosaurs?Whats your opinion of cloning human beings?Free TalkDiscussion第第13页页/共共18页页The Cloning of Human Beings Stem cells(干细胞)ar

6、e responsible for developing andrepairing the body throughout life.As a result,they mightbe used to repair damaged or diseased organs and tissues.Researchers are looking on cloning as a way to creategenetically engineered human stem cells for research andmedical purposes.To clone or not to clone:tha

7、t is the question.Humancloning is highly controversial and raises a number ofproblem.Why would people want to clone humans?Oneimportant reason is to help childless couples have children.From a technical point of view,before humans are cloned,we need to have a good idea of the risks involved.第第14页页/共

8、共18页页 Cloning humans does give rise to some misgivings(误解),raising a number of moral problems involved.In fact,thesocial influences of producing humans artificially werebrilliantly explored in the famous novel Brave New Worldby Aldous huxley,and also in the movie The Island.Human cloning is basicall

9、y about creating a geneticallyidentical copy of a previously existing person.Why wouldsome choose to clone human beings?Well,generally,it canmake couples unable to have babies have own children.Replacing a dead child is also another reason why somepeople have expressed interest in the technology.第第1

10、5页页/共共18页页 “当当然然应应该该克克隆隆人人,如如果果谁谁第第一一个个掌掌握握了了这这个个技技术术,他就是我真正的、也是唯一的竞争对手。他就是我真正的、也是唯一的竞争对手。”比尔比尔盖茨盖茨 Natural selection and survival of the fittest.-Charles Darwin 物竞天择物竞天择,适者生存。适者生存。-查尔斯查尔斯达尔文达尔文 “当当然然应应该该克克隆隆人人,如如果果谁谁第第一一个个掌掌握握了了这这个个技技术术,他就是我真正的、也是唯一的竞争对手。他就是我真正的、也是唯一的竞争对手。”比尔比尔盖茨盖茨 Natural selection and survival of the fittest.-Charles Darwin 物竞天择物竞天择,适者生存。适者生存。-查尔斯查尔斯达尔文达尔文 第第16页页/共共18页页Finish your writing after class.finish第第17页页/共共18页页感谢您的观看。感谢您的观看。第第18页页/共共18页页