M5U3Reading_1_The_perfect_copy正式.ppt

1、Welcome to,Unit3 Science and nature,Teaching aims,Get to know some scientific terms about cloning. Get some knowledge of cloning. Express your own opinions about cloning.,1.What is a cell?,A. A cell is a kind of animal.,B. A cell is the smallest structural unit of an individual form of life.,2.Clone

2、 means producing an exact copy of an animal or a plant from its own cell.,A. T,B. F,Quiz,clone embryo tissue organ cell egg gene,Scientific terms,基因,卵子,细胞,器官,组织,克隆,胚胎,Do you know the first cloned mammal in the world?,Dolly is the first c_ m_ in the world. She is exactly the s_ as her mother in both

3、a_ and g_,Dolly is together with her mother.,same,appearance,genes,cloned,mammal,I am the most shining star!,Any other cloned animals?,the cloned kitten,The kitten is called Cc. Its name is from “Copycat”. Scientists in the USA created it with a cell taken from its mother, Rainbow. It was born in De

4、cember 2002.,the cloned female pigs,The five little pigs names are Noel, Angel, Star, Joy and Mary.,the first cloned monkey,The monkey is ANDi which is from “inserted DNA” spelt backwards. It is the first genetically modified monkey. The technology is different from that used for Dolly.,If cloning g

5、oes wrong,Fun pictures,A dog or an eagle?,A frog or a crocodile?,A lion or a kangaroo?,A bird or a dog?,monster,Two dogs or persons?,Frankensteinby Mary Wollstonecraft Shelley,Frankenstein is a scientist. He creats a monster by experiment. The monster was kind, and ready to help others. But he is no

6、t accepted by the society just because of his ugly appearance. People around him refuse his kind offer and turn him down. Some even drive him away. He is eager to get love and happiness, but unfortunately what he gets is merciless chasing. He asks Frankenstein, the scientist to create a monster like

7、 himself so he can have a company, but again he was refused. In all his life he lives a miserable life. At last he cannot bear all these. He chooses to avenge humans. At last he dies together with his creator, Frankenstein.,Do you think it would be a good idea to clone humans some day ?,?,The perfec

8、t copy,?,Reading,The reading passage mainly gives information about the _ among people which was caused by a recent _ about the first _ human _ .,debate,announcement,cloned,embryo,Skimming,Go through the passage quickly.What does this passage mainly talk about?,?,Match each paragraph with its correc

9、t main idea.,Para 1 Para 2 Para 3 Para 4 Para 5 Para 6,An announcement about the first cloned human embryo caused much debate.,The first cloned mammal was Dolly.,Ian Wilmut is shocked that some scientists are considering cloning human beings.,A woman wants to have a cloned baby.,Cloning human embryo

10、s is illegal in many countries, but some scientists still want to clone human beings.,Chinese scientists continue to research ways in which cloning can benefit mankind.,Detailed reading,A newspaper article,Two letters,A debate after cloning_,A debate after cloning_,Different attitudes towards clonin

11、g_,_ scientists work on cloning,Structure analyzing,human embryo,Dolly,Chinese,human beings,Para.1,Para.2,Para.6,Para.3-5,Detailed reading (I),Main idea: Different towards the success of cloning a human embryo,Valuable tissues and organs can be produced and be used to save human lives Human beings m

12、ay be on the way to producing a real-life monster,attitudes,para1,On the one hand:,On the other hand:,Make an introduction,Dolly; first cloned mammal a Scottish scientist, Ian Wilmut 1996 2003 because of lung disease,Name: Created by: Date of birth: Date of death: Death reason:,Para 2,Paragraphs 3-5

13、,How many people are mentioned from para3-6? Who are they?,Ian Wilmut,Faye Wilson,Severino Antinori,According to the passage, what is the real intention of Ian Wilmuts cloning research? A. To create copies of humans in the end. B. To destroy human embryos in the end.C. To create new tissues or organ

14、s for sale.D. To cure deadly diseases eventually,What is Faye Wilsons problem?,She can not have a baby. What is her wish? She was anxious to have a child of her own through cloning.,For. He wants to be the first to clone a human being.,What is Severino Antinoris attitude towards human cloning? For o

15、r against?,What do Chinese scientists focus their efforts on?,They have focused their efforts on cloning animals ,as well as cloned tissues to be used in medical treatment.,Para 6,Fill in the following chart with no more than one word.,Detailed reading (II),What are peoples views towards cloning?,Le

16、ts have a competition!,Pair work,value,likely,scientific,create/ cause,intends,curing,Unable,desperate,success,beneficial,Question:,Whats the authors attitude towards cloning human beings? A. Positive B. Negative C. Neutral,The perfect copy,Is it perfect? Technology Morality ,The new kind of technol

17、ogy has caused widespread discussion. It can help cure many diseases, save lots of peoples lives and even prevent some endangered animals from dying out However, on the other hand, if it is used to clone human beings, that is against the laws of nature.,Two letters,Pauline Cater: Colin Jake:,For,Aga

18、inst,Judge whether the statements are true or false:,Pauline Carter thinks: 1. We have to deal with the consequences if we toy with nature. 2. We should clone fewer babies to reduce Earths population. 3. The lady who cannot have a baby can adopt an orphan, but not have a cloned baby.,_,have fewer ba

19、bies, not clone,Judge whether the statements are true or false:,Colin Jake thinks: 1. The news that the first human embryo has been cloned successfully is very terrible. 2. Scientists have succeeded in challenging questions of morality. 3. Human cloning is a good way to save her daughter who has die

20、d.,fantastic,_,_,have been,_,copy,Is it a good idea to clone humans some day?,1)Work in groups and discuss the question. 2)List as many reasons as possible (at least three reasons) to support your views 3)Choose a group leader to give us your oral report.,Post reading,Discussion,Find the reasons why people are pro-or anti-cloning in the article and letters and write them down.,2 cure diseases like cancer,3 help thos