[外语类试卷]专业英语四级(完形填空)模拟试卷256及答案与解析.doc
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1、专业英语四级(完形填空)模拟试卷 256及答案与解析 一、 PART IV CLOZE Decide which of the words given in the box below would best complete the passage if inserted in the corresponding blanks. The words can be used ONCE ONLY. 0 A. decrease B. adapt C. benefits D. enlarge E. hence F. universal G. adversely H. shift I. unique J
2、. so K suburban L. coastal M. resulting in N. endangered O. favorably Sea rise as a result of global warming would immediately threaten that large fraction of the globe living at sea level. Nearly one-third of all human beings live within 36 miles of a coastline. Most of the worlds great seaport cit
3、ies would be【 C1】 _. Some countries would be inundated. Heavily populated coastal areas where large populations occupy low-lying areas, would suffer extreme dislocation. Warmer oceans would spawn stronger hurricanes and typhoons,【 C2】 _ coastal flooding, possibly swamping valuable agricultural lands
4、 around the world. Reduced water quality may result as 【 C3】 _ flooding which forces salt water into coastal irrigation and drinking water supplies, and irreplaceable, natural forest could be flooded with ocean water destroying forever many of the【 C4】 _plant and animal species living there. Food su
5、pplies and forests would be【 C5】 _ affected. Changes in rainfall patterns would disrupt agriculture. Warmer temperatures would【 C6】 _ grain-growing regions polewards. The warming would also increase and change the pest plants, such as weeds and the insects attacking the crops. Human health would als
6、o be affected. Warming could【 C7】 _ tropical climate bringing with it yellow fever and other diseases. The harmful effects of localized urban air pollution would very likely be more serious in warmer conditions. There will be some【 C8】 _ from warming. New sea-lanes will open in the Arctic, longer gr
7、owing seasons further north will create new agricultural lands, and warmer temperature will make some of todays colder regions more habitable. But these benefits will be in individual areas. The natural systems both plant and animal will be less able than man to cope and【 C9】 _Any change of temperat
8、ure, rainfall, and sea level of the magnitude now anticipated will be destructive to natural systems and living things and【 C10】 _ to man as well. 1 【 C1】 2 【 C2】 3 【 C3】 4 【 C4】 5 【 C5】 6 【 C6】 7 【 C7】 8 【 C8】 9 【 C9】 10 【 C10】 10 A. provides B. due to C. construction D. serving E. ascending F. ent
9、erprise G. despite H. permits I. qualified J. adjusting K. harmful L. offers M. element N. imports O. admits Consumers and producers obviously make decisions that mold the economy, but there is a third major【 C1】 _ to consider: the role of government. Government has a powerful effect on the economy
10、in at least four ways: Direct Services. The postal system, for example, is a federal system【 C2】 _ the entire nation, as is the large and complex establishment. Conversely the【 C3】 _ and maintenance of most highways is the responsibility of the individual states, and the public educational systems,
11、【 C4】 _ a large funding role by the federal government, are primarily paid for by state or city governments. Police and fire protection and sanitation services are also the responsibilities of local government. Regulation and Control. The government regulates and controls private【 C5】 _, in many way
12、s, for the purpose of assuring that business serves the best interests of the people as a whole. Regulation is necessary in areas where private enterprise is granted a monopoly, such as in telephone or electric service. Public policy【 C6】 _ such companies to make a reasonable profit, but limits thei
13、r ability to raise prices unfairly, since the public depends on their services. Often control is exercised to protect the public, as for example, when the Food and Drug Administration bans【 C7】 _ drugs, or requires standards of quality in food. Stabilization and Growth. Branches of government includ
14、ing Congress attempt to control the extremes of boom and bust of inflation and depression, by【 C8】 _ tax rates, the money supply, and the use of credit. They can also affect the economy through changes in the amount of public spending by the government itself. Direct Assistance. The government【 C9】
15、_ businesses and individuals with many kinds of help. For example, tariffs permit certain products to remain relatively free of foreign competition; 【 C10】 _ are sometimes taxed so that American products are able to compete better with certain foreign goods. 11 【 C1】 12 【 C2】 13 【 C3】 14 【 C4】 15 【
16、C5】 16 【 C6】 17 【 C7】 18 【 C8】 19 【 C9】 20 【 C10】 20 A. so that B. preference C. normal D. circle E. calls for F. problem G. longer H. cycle I. matter J. illustrates K. hand over L. formal M. reversed N. habit O. means The normal human daily cycle of activity is some 7-8 hours sleep alternation with
17、 some 16-17 hours wakefulness and that the sleep normally coincides with the hours of darkness. Our present concern is how easily and to what extent this【 C1】 _ can be modified. The question is not merely an academic one. The ease with which people can change from working in the day to working at ni
18、ght is a【 C2】 _ of growing importance in industry where automation【 C3】 _round-the-clock working of machines. It normally takes from five days to one week for a person to adapt to a【 C4】 _ routine of sleep and wakefulness, sleeping during the day and working at night. Unfortunately, it is often the
19、case in industry that shifts are changed every week. This【 C5】 _ that no sooner has he got used to one routine than he has to change to another,【 C6】 _ much of his time is spent neither working nor sleeping very efficiently. One answer would seem to be【 C7】 _ periods on each shift, a month, or even
20、three months. However, recent research has shown that people on such systems will go back to their 【 C8】 _ habits of sleep and wakefulness during the weekend and that this is quite enough to destroy any adaptation to night work built up during the week. The only real solution appears to be to【 C9】 _
21、 the night shift to those permanent night workers whose【 C10】 _ may persist through all weekends and holidays. 21 【 C1】 22 【 C2】 23 【 C3】 24 【 C4】 25 【 C5】 26 【 C6】 27 【 C7】 28 【 C8】 29 【 C9】 30 【 C10】 30 A. famous B. conducted C. reject D. influential E. unrealistic F. develop G. fail H. drain I. r
22、ealistic J. manage K. dropped L. lack M. also N. since O. researched In Zurich, a leading Canton in the Swiss Confederation, it has been proposed to teach one foreign language English in primary schools. This would represent a change【 C1】 _ Zurichs elementary school kids now study English and French
23、. Voters will decide whether French will be 【 C2】 _. Supporters of one foreign language believe that two foreign languages are too many for kids. They believe that kids【 C3】 _ to reach strong fluency in German, the mother tongue for schoolchildren in Zurich. In fact, Zurich kids speak Swiss German,
24、which is primarily an oral language. In school they have to learn standard German, which in a way is a foreign language. Thus when you add them all together Zurich kids are learning four languages. All of Switzerland will watch what Zurich voters decide because Zurich is an【 C4】_ canton and others m
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