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A historic change is taking place in higher education. Professors are being held responsible as never before for how well they serve students. It has become as common in colleges and universities for students to grade professors as for professors to grade students. In fact student ratings (评价) have become the most widely used and in many cases the only important information on teaching effectiveness. In comparing three studies of the same 600 middle and high schools in more than thirty states it was found that the number of schools using student ratings to evaluate (评估) teachers had climbed from 29 percent to 68 percent to 86 percent. No other method of evaluation got that degree of usage and other studies have found similar results.One reason that student evaluations of teachers have become so popular is that they are easy to carry out and to score. But they are also easy to abuse. If they are expected to throw meaningful light on teachers’' performance the ratings must be used in a way that shows at least some of what we’'ve learnt about them from research and from experience.Research and experience have shown us, for example, that student ratings should never be the only basis for evaluating teaching effectiveness. There is much more to teaching than what is evaluated on student rating forms. When ratings are used, we know that students should not be expected to judge whether the materials used in a course are up to date or how well the teacher knows the subject matter of the course.These judgments require professional background and are best left to the professor’'s colleagues. On the other hand, students should be asked to estimate what they have learned in a course, and to report on such things as a professor’'s ability to communicate at the student’'s level, professional behavior in the classroom, relationship with students, and ability to arouse interest in the subject.1. The central idea of the passage is that______.2. Which statement is TRUE?3. In student ratings are the following questions can be asked EXCEPT: ______.4. The sentence in the thirdsecond paragraph “But they also are also easy to abuse” means______.

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The rise of multinational corporations, global marketing, new communications technologies, and shrinking cultural differences have led to an unparalleled increase in global public relations or PR.Surprisingly, since modern PR was largely an American invention, the U.S. leadership in public relations is being threatened by PR efforts in other countries. Ten years ago, for example, the world’'s top five public relations agencies were American-owned. In 1991, only one was. The British in particular are becoming more sophisticated and creative. A recent survey found that more than half of all British companies include PR as part of their corporate planning activities, compared to about one third of U.S. companies. It may not be long before London replaces New York as the capital of PR.Why is America lagging behind in the global PR race? First, Americans as a whole tend to be fairly provincial and take more of an interest in local affairs. Knowledge of world geography, for example, has never been strong in this country. Secondly, Americans lag behind their European and Asian counterparts in knowing a second language. Less than 5 percent of Burson-Marshall’'s U.S. employees know two languages. Ogilvy and Mather has about the same percentage. Conversely, some European firms have half or more of their employees fluent in a second language. Finally, people involved in PR abroad tend to keep a closer eye on international affairs. In the financial PR area, for instance, most Americans read the Wall Street Journal. Overseas, their counterparts read the Journal as well as the Financial Times of London and the Economist, publications not often read in this country.Perhaps the PR industry might take a lesson from Ted Turner of CNN (Cable News Network). Turner recently announced that the word “foreign”’’ would no longer be used on CNN news broadcasts. According to Turner, global communications have made the nations of the world so interdependent that there is no longer any such thing as foreign.41. According to the passage, U.S. leadership in public relations is being threatened because of______.42. London could soon replace New York as the center of PR because______.43. The word “provincial” (Line 2, Para.3) most probably means “______”.44. We learn from the third paragraph that employees in the American PR industry______.45. What lesson might the PR industry take from Ted Turner of CNN?

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The biographer has to dance between two shaky positions with respect to the subject. Too close a relation, and the write may lose objectivity. Not close enough, and the writer may lack the sympathy necessary to any effort to portray a mind, a soul—---the quality of life. Who should write the biography of a family, for example? Because of their closeness to the subject, family members may have special information, but by the same token, they may not have the distance that would allow them to be fair. Similarly, a king’'s servant might not be the best one to write a biography of that king. But a foreigner might not have the knowledge and sympathy necessary to write the king’'s biography— - not for a readership from within the kingdom, at any rate.There is no ideal position for such a task. The biographer has to work with the position be he or she has in the world, adjusting that position as necessary to deal with the subject. Every position has strengths and weaknesses to thrive, a writer must try to become aware of these, evaluate them in terms of the subject, and select a position accordingly.When their subjects are heroes or famous figures, biographies often reveal a democratic motive: they attempt to show that their subjects are only human, no better than anyone else. Other biographies are meant to change us, to invite us to become better than we are. The biographies of Jesus found in the Bible are in this class.Biographers may claim that their account is the “authentic”" one. In advancing this claim, they are helped if the biography is "“authorized”" by the subject; this presumably allows the biographer special access to private information. "“Unauthorized”" biographies also have their appeal, however, since they can suggest an independence of mind in the biographer. In book promotions, the “unauthorized”’’ characterization usually suggests the prospect of juicy gossip that the subject had hoped to suppress. A subject might have several biographies, even several “"authentic”" ones. We sense intuitively that no one is in a position to tell “the”’’ story of a life, perhaps not even the subject, and this has been proved by the history of biography.1. According to the author, an ideal biographer would be one who______.2. The author cites the biographies of Jesus in the Bible in order to show that______.3. Which of the following statements in is true, according to the passage?4. An unauthorized biography is likely to attract more readers because______.5. In this passage, the author focuses on______.

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If sustainable competitive advantage depends on work-force skills, American firms have a problem. Human-resource management is not traditionally seen as central to the competitive survival of the firm in the United States. Skill acquisition is considered an individual responsibility. Labor is simply another factor of production to be hired—rented at the lowest possible cost—much as one buys raw materials or equipment. The lack of importance attached to human-resource management can be seen in the corporate hierarchy. In an American firm the chief financial officer is almost always second in command. The post of head of human resource management is usually a specialized job, off at the edge of corporate hierarchy. The executive who holds it is never consulted on major strategic decisions and has no chance to move up to Chief Executive Officer (CEO). By way of contrast, in Japan the head of human-resource management is central—usually the second most important executive, after the CEO, in the firm’s hierarchy.While American firms often talk about the vast amounts spent on training their work forces, in fact they invest less in the skills of their employees than do either Japanese or German firms. The money they do invest is also more highly concentrated on professional and managerial employees. And the limited investments that are made in training workers are also much more narrowly focused on the specific skills necessary to do the next job rather than on the basic background skills that make it possible to absorb new technologies.As a result, problems emerge when new breakthrough technologies arrive. If American workers, for example, take much longer to learn how to operate new flexible manufacturing stations than workers in Germany (as they do), the effective cost of those stations is lower in Germany than it is in the United States. More time is required before equipment is up and running at capacity, and the need for extensive retraining generates costs and creates bottlenecks that limit the speed with which new equipment can be employed. The result is a slower pace of technological change. And in the end the skills of the bottom half of the population affect the wages of the top half. If the bottom half can’ t effectively staff the processes that have to be operated, the management and professional jobs that go with these processes will disappear.1. Which of the following applies to the management of human resources in American companies?2. What is the position of the head of human-resource management in an American firm?3. The money most American firms put in training mainly goes to_______.4. According to the passage, the decisive factor in maintaining a firm’'s competition advantage is_______.5. What is the main idea of the Passage?

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In recent years, railroads have been combining with each other, merging into super systems, causing heightened concerns about monopoly. As recently as 1995, the top four railroads accounted for under 70 per cent of the total ton-miles moved by rails. Next year, after a series of mergers is completed, just four rail roads will control well over 90 percent of all the freight moved by major rail carriers.Supporters of the new super systems argue that these mergers will allow for substantial cost reductions and better coordinated service. Any threat of monopoly, they argue, is removed by fierce competition from trucks. But many shippers complain that for heavy bulk commodities traveling long distances, such as coal, chemicals, and grain, trucking is too costly and the railroads therefore have them by the throat.The vast consolidation within the rail industry means that most shippers are served by only one rail company. Railroads typically charge such "“captive”" shippers 20 to 30 percent more than they do when another railroad is competing for the business. Shippers who feel they are being overcharged have the right to appeal to the federal government’s Surface Transportation Board for rate relief, but the process is expensive, time consuming, and will work only in truly extreme cases.Railroads justify rate discrimination against captive shippers on the grounds that in the long run it reduces everyone’s cost. If railroads charged all customers the same average rate, they argue, shippers who have the option of switching to trucks or other forms of transportation would do so, leaving remaining customers to shoulder the cost of keeping up the line. It is a theory to which many economists subscribe, but in practice it often leaves railroads in the position of determining which companies will flourish and which will fail. "“Do we really want railroads to be the arbiters of who wins and who loses in the marketplace”" asks Mar- tin Bercovici, a Washington lawyer who frequently represents shipper.Many captive shippers also worry they will soon be his with a round of huge rate increases. The railroad industry as a whole, despite its brightening fortuning fortunes, still does not earn enough to cover the cost of the capital it must invest to keep up with its surging traffic. Yet railroads continue to borrow billions to acquire one another, with Wall Street cheering them on. Consider the $10. 2 billion bid by Norfolk Southern and CSX to acquire Conrail this year. Conrail’s net railway operating income in 1996 was just $ 427 million, less than half of the carrying costs of the transaction. Who is going to pay for the rest of the bill. Many captive shippers fear that they will, as Norfolk Southern and CSX increase their grip on the market.1. According to those who support mergers, railway monopoly is unlikely because___________.2. What is many captive shippers attitude towards the consolidation in the rail industry?.3. It can be inferred from paragraph 3 that___________.4 The word "“arbiters”" most probably refers to those___________.5. According to the text, the cost increase in the rail industry is mainly caused by___________.

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For centuries, explorers have risked their lives venturing into the unknown for reasons that were to varying degrees economic and nationalistic. Columbus went west to look for better trade routes to the Orient and to promote the greater glory of Spain. Lewis and Clark journeyed into the American wilderness to find out what the U.S. had acquired when it purchased Louisiana, and the Apollo astronauts rocketed to the moon in a dramatic show of technological muscle during the cold war. Although their missions blended commercial and political-military imperatives, the explorers involved all accomplished some significant science by going where no scientists had gone before. Today Mars looms as humanity’s next great terra incognita. And with doubtful prospects for a short-term financial return, with the cold war a rapidly fading memory and amid a growing emphasis on international cooperation in large space ventures, it is clear that imperatives other than profits or nationalism will have to compel human beings to leave their tracks on the planet’s reddish surface. Could it be that science, which has long played a minor role in exploration, is at last destined to take a leading role? The question naturally invites a couple of others: Are there experiments that only human could do on Mars? Could those experiments provide insights profound enough to justify the expense of sending people across interplanetary space? With Mars the scientific stakes are arguably higher than they have ever been. The issue of whether life ever existed on the planet, and whether it persists to this day, has been highlighted by mounting evidence that the Red Planet once had abundant stable, liquid water and by the continuing controversy over suggestions the bacterial fossils rode to Earth on a meteorite (陨石) from Mars. A more conclusive answer about life on Mars, past or present, would give researchers invaluable data about the range of conditions under which a planet can generate the complex chemistry that leads to life. If it could be established that life arose independently on Mars and Earth, the finding would provide the first concrete clues in one of the deepest mysteries in all of science: the prevalence of life in the universe.1. According to the passage, the chief purpose of explores in going to unknown place in the past was_________________.2. At present, a probable inducement for countries to initiate large-scale space ventures is____________.3. What is the main goal of sending human missions to Mars?4. By saying “With Mars the scientific stakes are arguably higher than they have ever been”, the author means that________________.5. The passage tells us that proof of life on Mars would ___________.

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