[外语类试卷]大学英语四级模拟试卷299及答案与解析.doc
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1、大学英语四级模拟试卷 299及答案与解析 一、 Part I Writing (30 minutes) 1 For this part, you are allowed 30 minutes to write a composition on the topic: Should Private Cars Be Encouraged in China? You should write at least 120 words following the outline given below in Chinese. 1. 在中国,私人汽车拥有量在增加 2有些人赞成拥有私人汽车,有些人反对拥有私人汽
2、车 3你的观点 二、 Part II Reading Comprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions attached to the passage. For questions 1-7, mark: Y (for YES) if the statement agrees with the information given in
3、 the passage; N (for NO) if the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. 1 The Illusion of Progress by Lester R. Brown Lester R. Brown is a senior researcher at the Worldwatch Institute, which every year since 1984
4、 has produced a volume about the State of the World. Each year, this book updates information on poverty, overpopulation, air and water quality, agricultural land, and other world conditions. A respected sourcebook, it is consulted by the United Nations and other organizations concerned about protec
5、ting our world environment. The following reading is an excerpt from the first chapter of State of the World, 1992. For about four-fifths of human beings born since World War , life has seemed to be a time of continuous economic progress. The global economic production is about five times larger tha
6、n it was in 1950. The increase in economic growth every ten years has been similar to the increase from the beginning of civilization until 1950. World food production has also increased a great deal. This was a result of increased demand caused by population growth and rising wealth, and was made p
7、ossible by modern technology. The worlds grain harvest is 2.6 times larger than it was in 1950. No other generation of human beings has seen such large gains in production. Such gains would seem to be a cause for celebration, but instead there is a sense of illusion, a feeling that not so much progr
8、ess has been made. One reason for this is that our system of national accounting used to measure progress considers the loss in value of factories and equipment, but does not consider the using up of natural resources. Since mid-century, the world has lost nearly one-fifth of the topsoil from its cr
9、oplands, a fifth of its tropical rain forests, and tens of thousands of its plant and animal species. During this same period, atmospheric carbon dioxide (CO2) levels have increased by 13 percent, causing hotter summers. The protective ozone (臭氧 ) layer in the stratosphere has decreased by 2 percent
10、 worldwide and far more over Antarctica. Dead lakes and dying forests have resulted from industrialization. Historians in the twenty-first century may admire our economic performance but regret the environmental consequences. Throughout our lifetimes, economic trends have shaped environmental trends
11、, often affecting the earths natural resources and systems in ways not clear at the time. Now, as we enter the nineties, the reverse is also beginning to happen: environmental trends are beginning to shape economic trends. Environmental damage to the planet is beginning to affect harvests of food. T
12、he effects of losing 24 billion tons of topsoil each year are being felt in some of the worlds major food-producing regions. Recent studies indicate that air pollution is damaging crops in both auto-centered economies of the West and coal-burning economies of the East.Meteorologists cannot yet be ce
13、rtain, but the hotter summers and decreased rainfall of the eighties may be early indications of the greenhouse effect. Environmental damage undoubtedly was a cause of slower growth in world grain production during the eighties. The doubling of grain output mentioned above occurred between 1950 and
14、1984; since then, there has been no significant increase. The 1989 estimated harvest (1.67 billion tons) was up only i percent from that of 1984, which means that grain output per person is down nearly 7 percent. Large amounts of previously stored food have. been used up. In some areas, people have
15、consumed less food. Although five years is not long enough to indicate a long-term trend, this does show that the worlds farmers are finding it more difficult to keep up with growth in population. Nowhere is this clearer than in Africa, where the combination of high population growth and damage to c
16、roplands is decreasing grain production per person. A drop of 20 percent in production from 1967 has changed the continent into a grain importer, caused an increase in the regions foreign debt, and left millions of Africans hungry and physically weakened. In a 1991 report, World Bank economists desc
17、ribed the continuation of recent trends as a “nightmare scenario.“ In both Africa and Latin America, food consumption per person is lower today than it was when the decade began. Infant death rates a good indicator of malnutrition appear to have increased in many countries in Africa and. Latin Ameri
18、ca, reversing the previous trend of decrease. Nations in which there are data to indicate this rise in infant death rate include Brazil, the Dominican Republic, El Salvador, Ghana, Madagascar, Mexico, Peru, Uruguay, and Zambia. 2 This essay is taken from the State of the World, a sourcebook publishe
19、d by the United Nations, which updates information each year on such world conditions as poverty, overpopulation, air and water quality and agricultural land. ( A) Y ( B) N ( C) NG 3 The latter part of the 20th century has seen a continuous increase in economic growth, but such achievements, accordi
20、ng to L.R. Brown, do not necessarily make up a cause for celebration. ( A) Y ( B) N ( C) NG 4 The main measure of economic growth is faulty in that our system of national accounting includes only loss in value of factories and equipment but does not consider loss of natural resources as a negative f
21、actor. ( A) Y ( B) N ( C) NG 5 With an increase in world food production, people in Africa and Latin America today eat more food than they did a decade ago. ( A) Y ( B) N ( C) NG 6 Scientists in general believe that croplands, forests, and grasslands will supply enough raw materials, food, and fuel
22、to guarantee further economic growth in the years to come. ( A) Y ( B) N ( C) NG 7 According to our current way of accounting, countries that over-cut forests are doing better economically than countries that keep the same number of trees. ( A) Y ( B) N ( C) NG 8 Since the early 1990s environmental
23、trends have started to affect our economic trends, with the effects of losing large amounts of topsoil being felt. ( A) Y ( B) N ( C) NG 9 Meteorologists suspect that the hotter summers and decreased rainfall of the 1980s might be _. 10 This essay is mainly concerned with _. 11 By the “Illusion of P
24、rogress“ the author means that _. Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After eac
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- 外语类 试卷 大学 英语四 模拟 299 答案 解析 DOC
