专业英语四级（完形填空）-试卷231
(总分：100.00，做题时间：90分钟)
一、 CLOZE(总题数：5，分数：100.00)
1.PART IV CLOZEDecide which of the words given in the box below would best complete the passage if inrted in the corresponding blanks. The words can be ud ONCE ONLY.（分数：20.00）
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beetle解析：
A. decrea B. adapt C. benefits D. enlarge E. hence F. universal G. adverly H. shift I. unique J. so K suburban L. coastal M. resulting in N. endangered O. favorably Sea ri as a result of global warming would immediately threaten that large fraction of the globe living at a level. Nearly one-third of all human beings live within 36 miles of a coastline. Most of th
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e world's great aport cities would be 1. 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, 2 coastal flooding, possibly swamping valuable agricultural lands around the world. Reduced water quality may result as 3 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 4plant and animal species living there. Food supplies and forests would be 5 affected. Changes in rainfall patterns would disrupt agriculture. Warmer temperatures would 6 grain-growing regions polewards. The warming would also increa and change the pest plants, such as weeds and the incts attacking the crops. Human health would also be affected. Warming could 7 tropical climate bringing with it yellow fever and other dias. The harmful effects of localized urban air pollution would very likely be more rious in warmer conditions. There will be some 8 from warming. New a-lanes will open in the Arctic, longer growing asons further north will create new agricultural lands, and warmer temperature will make some o
f today's colder regions more habitable. But the benefits will be in individual areas. The natural systems—both plant and animal—will be less able than man to cope and 9Any change of temperature, rainfall, and a level of the magnitude now anticipated will be destructive to natural systems and living things and 10 to man as well.
（分数：20.00）
填空项1:__________________ （正确答案：N）
填空项1:__________________ （正确答案：M）出出国
填空项1:__________________ （正确答案：L）
填空项1:__________________ （正确答案：I）
填空项1:__________________ （正确答案：G）
填空项1:__________________ （正确答案：H）
填空项1:__________________ （正确答案：D）屈服的意思
填空项1:__________________ （正确答案：C）arke
填空项1:__________________ （正确答案：B）
填空项1:__________________ （正确答案：E）
解析：解析：空格所在句结构完整，因此可推断应填入副词。空格前的“温度、降雨等的变化会危害自然系统和生物”和空格后的“人类也将受到危害”存在内在的因果关系，故选hence“因此”。so表示“因此”时是连词，不符合此处语法要求，故排除。
亚瑟 圣诞A. provides B. due to C. construction D. rving E. ascending F. enterpri 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 1 to consider: the role of government. Government has a powerful effect on the economy in at least four ways: Direct Services. The postal system, for example, is a federal system 2 the entire nation, as is the large and complex establishment. Converly the 3 and maintenance of most highways is the responsibility of the individual states, and
the public educational systems, 4 a large funding role by the federal government, are primarily paid for by state or city governments. Police and fire protection and sanitation rvices are also the responsibilities of local government. Regulation and Control. The government regulates and controls private 5, in many ways, for the purpo of assuring that business rves the best interests of the people as a whole. Regulation is necessary in areas where private enterpri is granted a monopoly, such as in telephone or electric rvice. Public policy 6 such companies to make a reasonable profit, but limits their ability to rai prices unfairly, since the public depends on their rvices. Often control is exercid to protect the public, as for example, when the Food and Drug Administration bans 7 drugs, or requires standards of quality in food. Stabilization and Growth. Branches of government including Congress attempt to control the extremes of boom and bust of inflation and depression, by 8 tax rates, the money supply, and the u of credit. They can also affect the economy through changes in the amount of public spending by the government itlf. Direct Assistance. The government 9 business and individuals with many kinds of help. For example, tariffs permit certain products to remain relatively free o
f foreign competition; 10 are sometimes taxed so that American products are able to compete better with certain foreign goods.
（分数：20.00）
填空项1:__________________ （正确答案：M）
填空项1:__________________ （正确答案：D）
grand填空项1:__________________ （正确答案：C）
填空项1:__________________ （正确答案：G）
填空项1:__________________ （正确答案：F）
填空项1:__________________ （正确答案：H）
填空项1:__________________ （正确答案：K）
填空项1:__________________ （正确答案：J）
填空项1:__________________ （正确答案：A）
填空项1:__________________ （正确答案：N）
解析：解析：空格应填入名词作主语。so that引导的目的状语从句说“以便美国的产品能更好地与某些外国商品竞争”，要达到这个目的，当然是对“外国商品”征税，外国商品即为“进口商品”，词库中的imports“进口商品”符合语境。
chinechessA. 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. reverd N. habit O. means The normal human daily cycle of activity is some 7-8 hours' sleep alternation with some 16-17 hours' wakefulness and that the sleep normally coincides with the hours of darkness. Our prent concern is how easily and to what extent this 1 can be modified. The question is not merely an academic one. The ea with which people can change from working in the day to working at night is a 2 of growing importance in industry where automation 3round-the-clock working of machines. It normally takes from five days to one week for a person to adapt to a 4 routine of sleep and wakefulness, sleeping during the day and wor
king at night. Unfortunately, it is often the ca in industry that shifts are changed every week. This 5 that no sooner has he got ud to one routine than he has to change to another, 6 much of his time is spent neither working nor sleeping very efficiently. One answer would em to be 7 periods on each shift, a month, or even three months. However, recent rearch has shown that people on such systems will go back to their 8 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 9 the night shift to tho permanent night workers who 10 may persist through all weekends and holidays.
（分数：20.00）disgraceful
consider
