[外语类试卷]大学英语四级改革适用(阅读)模拟试卷260及答案与解析.doc
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1、大学英语四级改革适用(阅读)模拟试卷 260及答案与解析 Section A 0 Do you find getting up in the morning so difficult that its painful? This might be called laziness, but Dr. Kleitman has a new【 C1】 _. He has proved that everyone has a daily energy cycle. During the hours when you labor through your work you may say that you
2、re “hot“. Thats true. The time of day when you feel most energetic is when your cycle of body temperature is at its【 C2】 _. 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【 C3】 _monologues
3、 as: “Get up, John Youll be late for work again.“ The possible explanation to the trouble is that John is at his temperature-and-energy peak in the evening. Much family quarrelling ends when husbands and wives【 C4】 _what these energy cycles mean, and which cycle each member of the family has. You ca
4、nt【 C5】 _your energy cycle, but you can learn to make your life fit it better. Habit can help, Dr. Kleitman believes. Maybe youre sleepy in the evening but feel you must stay up late anyway. Counteract your cycle to some extent by【 C6】_staying up later than you want to. If your energy is low in the
5、morning, but you have an important job to do early in the day,【 C7】 _before your usual hour. This wont 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【 C8】 _yawn and stretch. Sit on the edge of the bed a minu
6、te before putting your feet on the floor. Avoid the troublesome search for clean clothes by laying them out the night before. Whenever possible, do【 C9】 _work in the afternoon and save tasks【 C10】 _more energy or concentration for your sharper hours. A. rise B. realize C. peak D. intimate E. leisure
7、ly F. routine G. familiar H. maximum I. requiring J. habitually K. naturally L. explanation M. change N. commenting O. increase 1 【 C1】 2 【 C2】 3 【 C3】 4 【 C4】 5 【 C5】 6 【 C6】 7 【 C7】 8 【 C8】 9 【 C9】 10 【 C10】 10 Crying is hardly an activity encouraged by society. Tears, be they of sorrow, anger, or
8、 joy, typically make Americans feel uncomfortable and【 C1】 _. The shedder of tears is likely to apologize, even when 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【 C2】 _outpouring. But judging from recent studies of
9、crying behavior, links between illness and crying and the chemical composition of tears, both those responses to tears are often【 C3】 _and may even be counterproductive (使达不到预期目标的 ). Humans are the only animals【 C4】 _known to shed emotional tears. Since evolution has given【 C5】 _to few, if any, purp
10、oseless physiological responses, it is logical to assume that crying has one or more functions that【 C6】 _survival. Although some 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
11、help. Vocal cries would have been quite enough, more likely than tears to gain【 C7】 _. So, it appears, there must be something special about tears themselves. Indeed, the new studies suggest that emotional tears may play a direct role in alleviating stress. University of Minnesota researchers who ar
12、e studying the chemical composition of tears have recently【 C8】 _two important chemicals from emotional tears. Both chemicals are found only in tears that are shed in response to emotion. Tears shed because of exposure to cut onion would contain no such【 C9】_. Researchers at several other institutio
13、ns are investigating the usefulness of tears as a means of【 C10】 _human ills and monitoring drugs. A. attention B. overwhelming C. inappropriate D. embarrassed E. diagnosing F. indispensable G. rise H. isolated I. definitely J. enhance K. aspiration L. emotional M. repelled N. substance O. increasin
14、gly 11 【 C1】 12 【 C2】 13 【 C3】 14 【 C4】 15 【 C5】 16 【 C6】 17 【 C7】 18 【 C8】 19 【 C9】 20 【 C10】 20 The Internet is an international collection of computer networks that all understand a standard system of addresses and commands, connected together through backbone (中枢 ) systems. It was started in 196
15、9, when the U.S. Department of Defense【 C1】_a nationwide network to connect a handful of universities and contractors (订约人 ). The【 C2】 _idea was to increase computing capacity that could be shared by users in many locations and to find out what it would take for computer networks to【 C3】 _a nuclear
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