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1、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 dolphinGiant Panda rhinocerosnorth-east tigerWhat can we do to protect them?the worlds cloned . created by scientists On .died in because of .firstmammalScotti
2、sh22nd February 19962003lung diseaseDollyThe advanced technique in genetics(遗传学) with which scientists can createor 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 under
3、standingHow can you understand the word copy? A. model B. clone C. similarity D. imitationcloned pigsIf you are a scientist, what do you want to clone?why? BrainstormingIf cloning goes wrong, what will happen?Fun picturesA dog or an eagle?A duck or a crocodile?A cock or a dog?A lion or a kangaroo?A
4、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.1.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 p
5、lant or an animal using its cells. Dolly First readingMain ideaRefer to the reading passage and find out the main idea. (The reading passage is made up of a newspaper article about cloning and two readers letters. We will be given information about how cloning is being researched and the different a
6、ttitudes towards it.) Match each paragraph with its correct main ideaPara 1Para 2 Para 3Para 4Para 5Para 6An 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
7、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.Second readingUnderstanding scientific terms Circle the unfamiliar words or things th
8、ey do not understand while second reading.clone (line 1) embryo (line 3)tissue (line 4)cell (line 8) organ (line 17) 克隆克隆胚胎胚胎组织组织细胞细胞器官器官Third readingDetailed information Read the article carefully, and finish the following exercises: Comprehension 1.The passage is mainly about_. A. what cloning is
9、B. the advantage of cloning C. arguments about cloning human embryos D. the disadvantage of cloning2.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
10、cloning human embryos3.The announcement of successful human embryo cloning has caused much debate because_.A. people still have no clear idea about the results of human cloningB. valuable tissues and organs can be used to save humans C. mankind is going to produce terrible monstersD. people know tha
11、t nature will punish mankind for human cloningComprehension4.The success of the cloned sheep Dolly has proved that_.A. cloning will create more diseases in animal worldB. cloned animals will die at a muchyounger age than normalC. man has been able to produce an exact copy from an adult cellD. man ca
12、n interfere with nature at his willComprehension5. 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.Co
13、mprehension6. How does a woman who cannot give a birth benefit from cloning?A. 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?A. C
14、loning 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.ComprehensionDdecide whether the following are t
15、rue 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 T4. Cloning can be used to cure
16、diseases because it can produce new tissues .5. Cloning human beings is illegal in many countries, so no scientists want to clone human beings.6. Both Colin Jake and Pauline Carter are against cloning humans.F F T What are the different attitudes towards the success of cloning a human embryo? clonin
17、g human embryos with the intention of destroying them shows no respect for human life. valuable tissues and organs can be produced and be used to save human liveshuman beings may be on the way to producing a real-life monsterFor human cloningAgainst human cloning1. produce valuable tissues and organ
18、s that could be used to save human lives1. human life becomes a crop to be harvested or a product for sale2. 2. 3. 3. 4. 5. Find the reasons why people are for or against human cloning in the article and letters .Write them in the table belowhelp those who are unable to have childrenhelp those who want to clone their dead childrenmight produce a real-life Franksteins monsterwould lead to more diseases in the animal worldshows no respect for human lifeshould be having fewer babies in order to reduce Earths population, not cloning more
