人教版高二英语选修八Unit 2 Cloningreading (共22张PPT).ppt

1、Unit 2Cloning:Where Is It Leading Us?Look at these pictures below first.Read the text fast and get a general idea of it.1.What does this passage mainly tell about?Animal cloning raised arguments and scientists are not sure about its future.2.What do you think is the writers point of view in this rea

2、ding passage?Is he/she in favour of cloning or against it?I think the writer is _ because_he/she does not state any personal opinion about cloning.impartialPlease fill in the blanks with appropriate expressions.1.Cloning has two major uses.Firstly,gardeners use it all the time to produce _.Secondly,

3、it is valuable for research on _ and _ for illnesses on mercial quantities of plants2.Cloning plants is _ while cloning animals is very_.straightforwardcomplicatednew plant speciescures/treatments3.The first successful clone was _ _.She died at the age of _.4.Cloning is controversial in some countri

4、es for _ reasons.Dolly thesheepsix and a halfmoral and religiousCan you answer the following question?The lamb is the clone of the cell from sheep B because_.A.it provided the egg cellB.it gives birth to the lambC.it provides the nucleusD.it is a female sheepLets deal with several complicated senten

5、cesAs a result of determination and patience,the scientists got great success in 1996,and were paid back by the cloning of Dolly the sheep.1.Which sentence in Paragraph 2 can take the place of the sentence below?But at last the determination and patience of the scientists paid off in 1996 with a bre

6、akthrough the cloning of Dolly the sheep.It also happens in animals when twins identical in sex and appearance are produced from the same original egg.这种现象也发生在动物身上，从同一个原生卵子产生性别和相貌相同的双胞胎也是克隆。2.Translate the following sentences into Chinese.On the other hand,Dollys appearance raised a storm of abjecti

7、ons and a great impact on the media and public imagination.另一方面，多莉的出现引起了一阵强烈的反对，对媒体和公众的想象力也产生了极大的影响。Please work in pairs and make up a dialogueabout the advantages or problems of cloning.Is cloning people a good thing or a bad thing?What is your opinion of cloning?Give your reasons.DiscussionsClone,

8、to a certain degree,is beneficial to mankind.However,the abuse of this technologywill bring human being unthinkable destruction.Whether cloning should be used in human reproduction must be considered as a serious issue.To clone human can really bring hope for those couples unable to bear children.Bu

9、t will people accept a cloned children?Remember we must be responsible for all the results created by ourselves.To clone humans or notWrite a passage titled Write a passage titled Is cloning good Is cloning good or bador bad?Your passage should include?Your passage should include the followingthe following：1)Advantages of cloning 1)Advantages of cloning 2)Disadvantages of cloning2)Disadvantages of cloning3)Your opinion of it3)Your opinion of it