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1、Learning about language1. Complete the following sentences using suitable words or phrases from the previous sections.1). In many respects natural clones _ greatly from man-made clones.2). He was much _ by the failure of his cloning experiment.differcast down精选ppt3). Dust had _ during the years when
2、 the house was deserted.4). Robert suggested that I should _ the job of decorating the ceiling of the hall.5). Her memory is _, and she seldom goes wrong.6). She wasnt _ pleased with her decision, but she had no other choice.accumulatedundertakeexactaltogether精选ppt2. Rewrite the following sentences
3、using words of similar meaning to replace the underlined words.1). Compared with her brother, she is so honest about her opinions.Compared with her brother, she is straightforward about her opinions.精选pptThe arbitrary decisions of the factory leaders caused anger among the workers.Is your new factor
4、y in the commercial area of Beijing?2).The decisions of the factory leaders that had been made without any reason caused anger among the workers. 3).Is your new factory in the business area of Beijing?精选ppt4). Do you support the governments plan to build more railway lines?Are you in favour of the g
5、overnments plan to build more railway lines?This is the procedure for you to have your teeth out. 5).This is the way we arrange for you to have your teeth out.精选pptI object to your plan because it will cost too much money.Your mother and I will forbid you to stay out so late when you have homework t
6、o do.7). Your mother and I will not allow you to stay out so late when you have homework to do.6). I dont agree to your plan because it will cost too much money.精选ppt3. When Freddy the frog grew older he wanted to _ cloning so that his musical career could continue. The doctor explained that cloning
7、 was a _ question that he should consider seriously. So Freddy asked his friends and noted with _ that they agreed with him. undertakecontroversialsatisfaction精选pptHowever, shortly after he did some research, he felt _when he discovered the fate of the _ clone, Dolly the sheep. The dream that one co
8、uld live forever now seemed impossible. So Freddy made up his mind to enjoy his singing and _manycast downbreakthroughaccumulate精选ppthappy experiences so that when he retired he would be able to look back on his life with great pleasure.精选pptC My opinion is that human cloning should be forbidden.4.
9、1). What is your point of view about human cloning?2). How can you prove a clone is authentic?F A real clone should be identical to its original parent, from whom the cell was taken.精选pptD Cloning helps them get profits from commercial quantities of plants.3). How do gardeners benefit from cloning?4
10、). How differently do people think of the cloning of plants and that of animals?E The cloning of plants is straightforward but the cloning of animals is controversial.精选pptB Dolly the sheep was the first mammal clone and an important success.A Many people are against human cloning because of religio
11、us and moral belief.5).What was the breakthrough in the history of cloning?6). Why do some people object to human cloning?精选pptDiscovering useful structuresAnswer key for Exercise 1:1. The whole scientific world followed the progress of the first successful clone, Dolly the sheep.2. Then came the di
12、sturbing news that Dolly had become seriously ill.精选ppt1. I have no idea _ _2. We heard the news _ _3. John told the truth _4. Betty won a prize that _ _ that she will come nextweek for a short visit.that Dolly the sheepthat he failed in the test.she had dreamed ofdied young.for years.Answer key for
13、 Exercise 3:精选ppt5. Charles agreed to the regulation _ _6. Yesterday I was glad to get a message _7. The fact _ _8. I got the impression _ _ he must have safety training.thatthat the interview went well.that Dolly the sheep had beencloned successfully inspired all of us.that everyone inclass did well in the performance.精选ppt
