北京成人英语三级B卷真题2009年4月及答案解析.doc
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1、北京成人英语三级 B 卷真题 2009 年 4 月及答案解析(总分:100.00,做题时间:120 分钟)一、Part I Reading Co(总题数:3,分数:15.00)Passage 1 Questions 1 to 5 are based on the following passage: (76)Much unfriendly feeling towards computers has been based on the fear of widespread unemployment resulting from their introduction. Computers are
2、often used as part of automated production systems requiring a least possible number of operators, causing the loss of many jobs. This has happened, for example, in many steelworks. On the other hand, computers do create jobs. They are more skilled and better paid, though fewer in number than those
3、they replace. Many activities could not continue in their present form without computers, no matter how many people are employed. Examples are the check clearing system of major banks and the weather forecasting system. When a firm introduces computers, a few people are usually employed in key posts
4、 (such as jobs of operations managers)while other staff are re-trained as operators, programmers, and data preparation staff. (77) After the new system has settled down people in non-computer jobs are not always replaced when they leave, resulting in a decrease in the number of employees. This decre
5、ase is sometimes balanced by a substantial increase in the activity of the firm, resulting from the introduction of computers. The attitudes of workers towards computers vary. There is fear of widespread unemployment and of the takeover of many jobs by computer-trained workers, making promotion for
6、older workers not skilled in computers more difficult. On the other hand, many workers regard the trend toward wider use of computers inevitable. They realize that computers bring about greater efficiency and productivity, which will improve the condition of the whole economy, and lead to the creati
7、on of more jobs. This view was supported by the former British Prime Minister, James Callaghan in 1979, when he made the point that new technologies hold the key to increased productivity, which will benefit the economy in the long run.(分数:5.00)(1).The unfriendly feeling towards computers is develop
8、ed from _ .(分数:1.00)A.the possible widespread unemployment caused by their introductionB.their use as part of automated production systemsC.the least possible number of operatorsD.the production system in steelworks(2).The underlined word They (Line 1, Par. 2) refers to _ (分数:1.00)A.computersB.jobsC
9、.activitiesD.systems(3).According to Paragraph 2, without computers _ (分数:1.00)A.human activities could not continueB.there could not be weather forecasting systemsC.many activities would have to change their present formD.banks would not be able to go on with check clearing(4).According to the pass
10、age,what results from the introduction of computers? (分数:1.00)A.After re-training, all employees in the firm get new jobs.B.A considerable proportion of people are employed in key posts.C.The firm keeps all of its original staff members.D.The decrease in staff members may be balanced by the increase
11、 of firm activities.(5).James Callaghans attitude towards computers can be best described as_ (分数:1.00)A.doubtfulB.regretfulC.unfriendlyD.supportivePassage 2 Questions 6 to 10 are based on the following passage: The vitamins necessary for a healthy body are normally supplied by a good mixed diet, in
12、cluding a variety of fruits and green vegetables. (78) It is only when people try to live on a very restricted diet that it is necessary to make special provision to supply the missing vitamins. An example of the dangers of a restricted diet may be seen in the disease known as beri-beri. (79) It use
13、d to distress large numbers of Eastern peoples who lived mainly on rice. In the early years of this century, a scientist named Eijkman was trying to discover the cause of beri-beri. At first he thought it was caused by a germ. He was working in a Japanese hospital, where the patients were fed on pol
14、ished rice which had the outer husk removed from the grain. It was thought this would be easier for weak and sick people to digest. Eijkman thought his germ theory was confirmed when he noticed the chickens in the hospital yard, which were fed on leftovers (剩饭) from the patients plates, were also sh
15、owing signs of the disease. He then tried to isolate the germ, but his experiments were interrupted by a hospital official, who declared that the polished rice, even though left over by the patients, was too good for chickens. It should be recooked for the patients, and the chickens should be fed on
16、 cheap rice with the outer layer still on the grain. Eijkman noticed that the chickens began to recover on the new diet. He began to consider the possibility that eating unpolished rice somehow prevented or cured beri-beri even that a lack of some element in the husk might be the cause of the diseas
17、e. Indeed this was the case. The element needed to prevent beri-beri was shortly afterwards isolated from rice husks and is now known as vitamin B. Nowadays, this terrible disease is much less common thanks to our knowledge of vitamins. (分数:5.00)(1).A good mixed diet _ (分数:1.00)A.normally contains e
18、nough vitaminsB.still needs special provision of vitaminsC.is suitable for losing weightD.is composed of fruits and vegetables(2).The disease beri-beri _ (分数:1.00)A.kills large numbers of Eastern peoplesB.is a vitamin deficiency (缺乏) diseaseC.is caused by diseased deerD.can be caught from diseased c
19、hickens(3).The chickens Eijkman noticed in the hospital yard _ (分数:1.00)A.couldnt digest the polished deerB.proved beri-beri is caused by germsC.were later cooked for the patients foodD.were suffering from beri-beri(4).According to Eijkman, polished rice _ (分数:1.00)A.was cheaper than unpolished rice
20、B.was less nourishing (有营养的) than unpolished riceC.was more nourishing than unpolished riceD.cured beri-beri(5).The chemical substance missing from polished rice _ (分数:1.00)A.was vitamin BB.did not affect the chickensC.was named the Eijkman vitaminD.has never been accurately identifiedPassage 3 Ques
21、tions 11 to 15 are based on the following passage: I hear many parents complain that their teenage children are rebelling. I wish it were so. At your age you ought to be growing away, from your parents. You should be learning to stand on your own feet. But take a good look at the present rebellion.
22、It seems .that teenagers are all taking the same way of showing that they disagree with their parents. Instead of striking out boldly on their own, most of them are holding one anothers hands for reassurance (放心)。 They claim they want to dress as they please. But they all wear the same clothes. They
23、 set off in new directions in music. But they all end up listening to the same record. Their reason for thinking or acting in such a way is that the crowd is doing it. They have come out of their cocoon (茧) into a larger cocoon. (80) It has become harder and harder for a teenager to stand up against
24、 the popularity wave and to go his or her own way. Industry has firmly carved out a market for teenagers. These days every teenager can learn from the advertisements what a teenager should have and be. This is a great barrier for the teenager who wants to find his or her own path. But the barrier is
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