公共英语五级-阅读理解及答案解析.doc
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1、公共英语五级-阅读理解及答案解析(总分:70.00,做题时间:90 分钟)一、BPart A/B(总题数:10,分数:70.00)Read the following texts and answer the questions which accompany them by choosing A, B, C or D. mark your answers on the ANSWER SHEET 1.Text 1All that fault-finding about lowering cholesterol and eating less fat must finally be paying
2、 off. According to a study published in the New England Journal of Medicine, more Americans are eating a healthy diet now than 30 years ago. In tact, according to researchers from the University of North Carolina, just about the only people who ate right in the mid-1960s were poor black people, who
3、simply couldnt afford the steaks and high-protein meals that were then considered the most nutritious. According to survey data collected by the US Department of Agriculture, more than 16% of poor black people in 1965 ate a healthy diet, compared with less than 5% of high-income whites.And what cons
4、titutes a healthy diet? Less than 30% of calories from tat. Five or more servings a day of fruits and vegetables. Six or more helpings of legumes (peas and beans) and cereals. Exactly the diet that rich health-conscious people started adopting in the US in the 1980s.Theres still a long way to go, ho
5、wever. Although both high-income and low-income Americans have cut about 5% of the fat from their diet, they havent replaced it with fruits, vegetables, grains and legumes. By 1991 only 20% to 22% of the general population was eating a healthy diet. Indeed, among poor blacks, the average number of s
6、eI,Tings of grains and legumes declined from six to five servings a day, and now equals the number consumed by whites. “The message about lowering fat has been heard,“ says Barry Popkin, a professor of nutrition at the University of North Carolina who led the study, which was funded in part by the K
7、ellogg Corp. “But we havent been as loud and clear on fiber, sodium, fruits and vegetables, grains and legumes.“(分数:5.00)(1)._ people were the only people who ate right in the mid-1960s.(分数:1.00)A.WhiteB.Poor whiteC.BlackD.Poor black(2).What kind of food were considered the most nutritious around 30
8、 years ago?(分数:1.00)A.Cereals.B.Legumes.C.Steaks.D.Vegetables.(3).How many percent of the general population was eating a healthy diet by 1991?(分数:1.00)A.5%.B.16%.C.22%.D.30%.(4).When did the rich health-conscious people in the US started adopting the healthy diet? In the _.(分数:1.00)A.1960sB.1970sC.
9、1980sD.1990s(5).What is the implication of the last sentence of this passage?(分数:1.00)A.Many people havent realized the importance of many other healthy diets.B.It is not clear whether we should eat more fiber, sodium, fruits, etcC.Fiber, sodium, fruits and vegetables, grams and legumes are healthy
10、diets.D.We didnt make it loud to people that they should have more other diets.Text 2Youd think that if the San Andreas Fault went to the trouble of having a perfectly good earthquake, the folks on the US West Coast might at least notice. A new study reveals, however, that in 1992, what should have
11、been a China-smashing 4.8 Richter-scale quake hit central California, and yet nobody felt a thing. The explanation for the odd shadow-quake was published last week in the journal Nature and may help improve sciences understanding of earthquakes in general.According to Alan T. Linda, a geophysicist a
12、t the Carnegie Institution of Washington and the studys leader, what makes seismic events so destructive is not just that the earth moves but the speed with which it does so. In many quakes the earths surface movement that leads to shaking takes only seconds to unfold, sending energy exploding in al
13、l directions. But recent analysis of data from strain gauges along the San Andreas Fault reveals that four years ago, a skip occurred that took a week to play out. Such slow sliding almost eliminates an earthquakes quaking.Exactly what determines the speed with which the earths plates move is unclea
14、r, but scientists have some ideas. “The fault material may play a role,“ Linda says, “Rock with holes containing water can move more smoothly than other rock. The pressure the plates are under can make a difference too: the bigher the stress, the likelier the fault will fail suddenly.“Lindas work ma
15、y never help seismologists determine which type of temblor is likely to strike which region, but he still believes the research has value. There may be no better way of understanding destructive quakes, he feels, than to learn what makes them less destructive.(分数:5.00)(1)._ has noticed the 4.8 Richt
16、er-scale quake in Central California in 1992.(分数:1.00)A.West Coast folksB.NobodyC.GeophysicistsD.People in California(2).According to Linda, what makes seismic events so destructive is _.(分数:1.00)A.the earth movementB.the energy explosionC.the speed of the earth movementsD.the earthquake(3).In Linda
17、s view, which of the following does NOT determine the speed with which the earths plates move?(分数:1.00)A.Fault material.B.Rock with holes.C.Pressure.D.Energy.(4).Which of the following statements is NOT true?(分数:1.00)A.Slow sliding of the San Andreas eliminates an earthquakes quaking.B.Rock with hol
18、es can move more smoothly than other rock.C.What determines the speed with which the earths plates move is unclear.D.Lindas study helps seismologists determine the type of temblor.(5).The word “temblor“ (Par. 4, sentence 1) can best be replaced by _.(分数:1.00)A.movementB.earthC.quakeD.rockText 3Large
19、 companies need a way to reach the savings of the public at large. The same problem, on a smaller scale, faces practically every company trying to develop new products and create new jobs. There can be little prospects of raising the sort of sums need from friends and people we know, and while banks
20、 may agree to provide short term finance, they are generally unwilling to provide money on permanent basis for long-term project. So companies turn to the public, inviting people to lend them money, or take a share in the business through the Stock Exchange. By doing so they can put into circulation
21、 the savings of individuals and institutions, both at home and overseas.When the saver needs his money back, he does not have to go to the company with whom he originally placed it. Instead, he sells his shares through a stockbroker to some other saver who is seeking to invest his money.Many of the
22、services needed both by industry and by each of us are provided by the Government or by local authorities. Without hospitals, roads, electricity, telephones, railways, this country could not function. All these require continuous spending on new equipment and new development if they are to serve us
23、properly, requiring more money than is raised through taxes alone. The Government, local authorities, and nationalized industries therefore frequently need to borrow money to Finance major capital spending, and they, too, come to the Stock Exchange.There is hardly a man or woman in this country whos
24、e standard of living does not depend on the ability of his or her employers to raise money to finance new development. In one way or another this new change exists to provide a channel through which these savings can reach those who need finance.(分数:5.00)(1).Almost all companies involved in new prod
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