[外语类试卷]大学英语四级(阅读)模拟试卷23及答案与解析.doc
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1、大学英语四级(阅读)模拟试卷 23及答案与解析 Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice. 0 Do you find getting up in the morning so diff
2、icult that its painful? This might be called laziness, but Dr. Kleitman has a new【 1】 . He has proved that everyone has a daily energy cycle. During the hours when you labor through your work you may say that youre “hot“. Thats true. The time of day when you feel most energetic is when your cycle of
3、 body temperature is at its【 2】 . For some people the peak comes during the forenoon. For others it comes in the afternoon or evening. No one has discovered why this is so, but it leads to such【 3】 monologues as: “Get up, John Youll be late for work again.“ The possible explanation to the trouble is
4、 that John is at his temperature-and-energy peak in the evening. Much family quarrelling ends when husbands and wives【 4】 what these energy cycles mean, and which cycle each member of the family has. You cant【 5】 your energy cycle, but you can learn to make your life fit it better. Habit can help, D
5、r. Kleitman believes. Maybe youre sleepy in the evening but feel you must stay up late anyway. Counteract your cycle to some extent by【 6】 staying up later than you want to. If your energy is low in the morning, but you have an important job to do early in the day,【 7】 before your usual hour. This w
6、ont change your cycle, but youll get up steam and work better at your low point. Get off to a slow start which saves your energy. Get up with a【 8】 yawn and stretch. Sit on the edge of the bed a minute before putting your feet on the floor. Avoid the troublesome search for clean clothes by laying th
7、em out the night before. Whenever possible, do【 9】 work in the afternoon and save tasks【 10】 more energy or concentration for your sharper hours. A. rise B. realize C. peak D. intimate E. leisurely F. routine G. familiar H. maximum I. requiring J. habitually K. naturally L. explanation M. change N.
8、commenting O. increase 1 【 1】 2 【 2】 3 【 3】 4 【 4】 5 【 5】 6 【 6】 7 【 7】 8 【 8】 9 【 9】 10 【 10】 10 Crying is hardly an activity encouraged by society. Tears, be they of sorrow, anger, or joy, typically make Americans feel uncomfortable and【 1】 . The shedder of tears is likely to apologize, even when
9、a devastating (毁灭性的 ) tragedy was the provocation. The observer of tears is likely to do everything possible to put an end to the【 2】outpouring. But judging from recent studies of crying behavior, links between illness and crying and the chemical composition of tears, both those responses to tears a
10、re often【 3】 and may even be counterproductive (使达不到预期目标的 ). Humans are the only animals【 4】 known to shed emotional tears. Since evolution has given【 5】 to few, if any, purposeless physiological responses, it is logical to assume that crying has one or more functions that【 6】 survival. Although som
11、e observers have suggested that crying is a way to elicit assistance from others (as a crying baby might from its mother), the shedding of tears is hardly necessary to get help. Vocal cries would have been quite enough, more likely than tears to gain【 7】 . So, it appears, there must be something spe
12、cial about tears themselves. Indeed, the new studies suggest that emotional tears may play a direct role in alleviating stress. University of Minnesota researchers who are studying the chemical composition of tears have recently【 8】 two important chemicals from emotional tears. Both chemicals are fo
13、und only in tears that are shed in response to emotion. Tears shed because of exposure to cut onion would contain no such【 9】 . Researchers at several other institutions are investigating the usefulness of tears as a means of 【 10】 human ills and monitoring drugs. A. attention B. overwhelming C. ina
14、ppropriate D. embarrassed E. diagnosing F. indispensable G. rise H. isolated I. definitely J. enhance K. aspiration L. emotional M. repelled N. substance O. increasingly 11 【 1】 12 【 2】 13 【 3】 14 【 4】 15 【 5】 16 【 6】 17 【 7】 18 【 8】 19 【 9】 20 【 10】 20 The Internet is an international collection of
15、 computer networks that all understand a standard system of addresses and commands, connected together through backbone(中枢 ) systems. It was started in 1969, when the U.S. Department of Defense【 1】 a nationwide network to connect a handful of universities and contractors (订约人 ). The【 2】 idea was to
16、increase computing capacity that could be shared by users in many locations and to find out what it would take for computer networks to【 3】 a nuclear war or other disasters by providing multiple paths between users. People on the ARPNET (as this nationwide network was originally called) quickly disc
17、overed that they could exchange messages and conduct electronic “conferences“ with distant colleagues for【 4】 that had nothing to do with the military industrial complex. If somebody else had something interesting【 5】 on their computer, it was a simple matter to obtain a copy (assuming the owner did
18、 not protect it). Over the years, additional networks joined which added【 6】 to more and more computers. The first international connections, to Norway and England, were added in 1973. Today thousands of networks and millions of computers are connected to the Internet. It is growing so quickly that
19、nobody can say【 7】 how many users “on the Net“. The Internet is the largest repository (知识库 ) of information which can provide very large network resources. The network resources can be【 8】 into network facilities resources and network information resources. The network facilities resources provide
20、us the ability of【 9】 computation and communication. The network information resources provides us all kinds of information【 10】 , such as science, education, business, history, law, art, and entertainment, etc. A. access B. original C. divided D. survive E. debates F. established G. purposes H. gen
21、uine I. exactly J. remote K. possibility L. stored M. totally N. services O. maintain 21 【 1】 22 【 2】 23 【 3】 24 【 4】 25 【 5】 26 【 6】 27 【 7】 28 【 8】 29 【 9】 30 【 10】 30 Once they decided to have children, MiShel and Carl Meissner tackled the next big issue: Should they try to have a girl? It was no
22、 small matter. MiShels brother had become blind from a hereditary condition in his early 20s, and the Meissners had learned that the condition is a【 1】 passed from mothers to sons. If they had a boy, he would have a 50 per cent chance of having the condition. A girl would be【 2】 . The British couple
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- 外语类 试卷 大学 英语四 阅读 模拟 23 答案 解析 DOC
