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 down3).Dust had _ during the years when the hous
2、e 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.accumulatedundertakeexactaltogether2.Rewrite the following sentences using words of simil
3、ar 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.The arbitrary decisions of the factory leaders caused anger among the workers.Is your new factory in the commercial area of
4、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?4).Do you support the governments plan to build more railway lines?Are you in favour of the governments plan to build more railw
5、ay 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.I 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 to do.7).Your mother and I will not allow
6、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.3.When Freddy the frog grew older he wanted to _ cloning so that his musical career could continue.The doctor explained that cloning was a _ question that he should consider seriousl
7、y.So Freddy asked his friends and noted with _ that they agreed with him.undertakecontroversialsatisfactionHowever,shortly after he did some research,he felt _when he discovered the fate of the _ clone,Dolly the sheep.The dream that one could live forever now seemed impossible.So Freddy made up his
8、mind to enjoy his singing and _manycast downbreakthroughaccumulatehappy experiences so that when he retired he would be able to look back on his life with great pleasure.C My opinion is that human cloning should be forbidden.4.1).What is your point of view about human cloning?2).How can you prove a
9、clone is authentic?F A real clone should be identical to its original parent,from whom the cell was taken.D Cloning helps them get profits from commercial quantities of plants.3).How do gardeners benefit from cloning?4).How differently do people think of the cloning of plants and that of animals?E T
10、he cloning of plants is straightforward but the cloning of animals is controversial.B Dolly the sheep was the first mammal clone and an important success.A Many people are against human cloning because of religious and moral belief.5).What was the breakthrough in the history of cloning?6).Why do som
11、e people object to human cloning?Discovering 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 disturbing news that Dolly had become seriously ill.1.I have no idea _ _2.We heard the news _ _3.Jo
12、hn 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 Exercise 3:5.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.
