,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Learning about language,1. 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.,differ,cast down,Learning about languagedifferc,3). Dust had _ during the years when 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.,accumulated,undertake,exact,altogether,3). Dust had _ durin,2. Rewrite the following sentences 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.,2. Rewrite the following sente,The,arbitrary,decisions of the factory leaders caused anger among the workers.,Is your new factory 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?,The arbitrary decisions of the,4).,Do you support,the governments plan to build more railway lines?,Are you in favour of,the governments 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.,4). Do you support the governm,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 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.,I object to your plan because,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 seriously. So Freddy asked his friends and noted with _ that they agreed with him.,undertake,controversial,satisfaction,3. When Freddy the frog grew o,However, 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 mind to enjoy his singing and _many,cast down,breakthrough,accumulate,However, shortly after he did,happy experiences so that when he retired he would be able to look back on his life with great pleasure.,happy experiences so that when,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 clone is authentic?,F,A real clone should be identical to its original parent, from whom the cell was taken.,C My opinion is that human clo,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,The cloning of plants is straightforward but the cloning of animals is controversial.,D Cloning helps them get prof,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 some people object to human cloning?,B Dolly the sheep was the fir,Discovering useful structures,Answer 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,.,Discovering useful structuresA,1. I have no idea _,_,2. We heard the news _,_,3. John told the truth _,4. Betty won a prize that _,_,that she will come next,week for a short visit.,that Dolly the sheep,that he failed in the test.,she had dreamed of,died young.,for years.,Answer key for Exercise 3:,1. I have no idea _,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.,that,that the interview went well.,that Dolly the sheep had been,cloned successfully inspired all of us.,that everyone in,class did well in the performance.,5. Charles agreed to the regul,