高中英语《Unit3 Scrience versus nature》reading课件 牛津译林版必修5.ppt

Science And Nature,Reading,Four hundred years ago Chinese people had created the cloned images in Journey to the West, but now it has become reality in life.,White-flag dolphin,Giant Panda,rhinoceros,north-east tiger,What can we do to protect them?,the worlds cloned .,created by scientists On .,died in because of .,first,mammal,Scottish,22nd February 1996,2003,lung disease,Dolly,The advanced technique in genetics(遗传学) with which scientists can create or copy things with the same DNA is called -?,clone,“Cloning” is a new technology which produces an exact copy of an animal or a plant from its own cells.,Scientific terms,clone,Title understanding,How can you understand the word copy? A. model B. clone C. similarity D. imitation,cloned pigs,If you are a scientist, what do you want to clone? why?,Brainstorming,If cloning goes wrong, what will happen?,Fun pictures,A dog or an eagle?,A duck or a crocodile?,A cock or a dog?,A lion or a kangaroo?,A frog or a crocodile?,A tortoise or a bear?,A bird or a dog?,A dog or a man?,She is against it.,Check previewing work: Answer the following questions. What is cloning? 2.What was the name of the first cloned mammal? 3.Is Pauline Carter for or against human cloning?,Cloning is producing an exact copy of a plant or an animal using its cells.,Dolly,First readingMain idea Refer to the reading passage and find out the main idea.,Match each paragraph with its correct 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 embryos 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.,clone (line 1) embryo (line 3) tissue (line 4) cell (line 8) organ (line 17),克隆,胚胎,组织,细胞,器官,Comprehension,The passage is mainly about_. A. what cloning is B. the advantage of cloning C. arguments about cloning human embryos D. the disadvantage of cloning 2.We can learn from the two letters_. A. both of the writers are pro-cloning. B. both of the writers are anti-cloning. C. neither of the writers are against cloning. D. both of the writers are not for cloning human embryos,3.The announcement of successful human embryo cloning has caused much debate because_. A. people still have no clear idea about the results of human cloning B. valuable tissues and organs can be used to save humans C. mankind is going to produce terrible monsters D. people know that nature will punish mankind for human cloning,Comprehension,4.The success of the cloned sheep Dolly has proved that_. cloning will create more diseases in animal world B. cloned animals will die at a muchyounger age than normal C. man has been able to produce an exact copy from an adult cell D. man can interfere with nature at his will,Comprehension,5. 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 organs for sale. D. To cure deadly diseases eventually.,Comprehension,6. How does a woman who cannot give a birth benefit from cloning? She can have a baby using another womans egg. B. She can have a baby genetically related to her. C. She can adopt someone elses child by cloning. D. She can have more children.,7. What can we infer from the whole passage? Cloning animals is illegal in Italy. B. Chinese scientists are trying to benefit mankind by using cloning technology. C. Chinese scientists want to be the first to clone a human baby. D. Colin Jake agrees with the scientists who want to clone a human baby.,Comprehension,Ddecide whether the following are true or false. 1. People all over the world are happy about the idea of cloning human beings. 2. Dolly, the first cloned mammal, was just the same as other sheep. 3. According to the article, the scientist who created Dolly does not agree with cloning human beings.,F,F,T,4. Cloning can be used to cure diseases because it can produce new tissues . 5. Cloning human beings is illegal in many countries, so no scien