高中英语牛津高中英语模块5 Unit3.ppt
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1、We have learned more about protecting our environment.Will you still do this like the person?更多资源更多资源 Now we ll talk about another topic in this unit.From the second picture,you may think of the world famous cloned sheep-Dolly.Do you know sth.about cloning?What do you know about them?“Cloning”is a n
2、ew technology which produces an exact copy of an animal or a plant from its own cells.Dolly was the first cloned mammal created by a Scottish scientist and his group in 1996.She was exactly the same as mother,in appearance and in genes.What do you think of the new kind of technology?Does it have adv
3、antages or disadvantages?更多资源更多资源 The new kind of technology 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 na
4、ture.Look at the following pictures and study them.Can you tell what is the main feature of cloning?can you identify the differences between the cloned animals and normal ones?Dolly is together with her mother.The mule in the picture is the worlds first cloned mule.It was born on 4 May 2003.His name
5、 is Idaho Gem.The kitten in the picture is called Cc.Its name is from“Copycat”.It was born in December 2002.These female pigs are also cloned.They are born on Christmas Day 2001.They are Noel,Angel,Star,Joy and Mary.The pair of calves were born on 5 July 1998 in Ishikawa,Japan.They were two years yo
6、unger than Dolly,being second adult animal clones in the world.The name of the cloned monkey is ANDi.It is from“inserted DNA”spelt backwards.It is the first genetically modified monkey.The technology is different from that used for Dolly.The cloned animals or plants are exactly the same as the origi
7、nal ones.can you identify the differences between the cloned animals and normal ones?In your opinion,can the mule in Picture 2 run as fast as his brother?Do you think it would be a good idea to clone humans some day?Why or why not?If possible,do you want another person to be exactly the same as you?
8、1.develop:verb 1)to(cause something to)grow or change into a more advanced,larger or stronger form 发育发育,发展发展植物由种子发育而成。Several industries are developing in this area.几种工业正在这个地区发展。Several industries are developing in this area.Some children develop more slowly than others.有的儿童比其他儿童发育得慢。2)to invent som
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