单选题This mobile phone is ______ that one, though it"s much smaller in size.

单选题The size of the Eskimo language spoken by most whites is ______.

单选题Video even can be integrated with text to produce ______ and animated documents.

单选题What you say now is not ______ with what you said last week. A. consistent B. persistent C. permanent D. insistent

单选题Education should not be restricted to anyone______age group.

单选题Passage 1 Scientists seeming to cure and prevent insulin-dependent diabetes have discovered what goes wrong in the bodies of a special breed of mice prone to the affliction and, using that knowledge, have developed a way to prevent the disease in the Roberts. Because mouse diabetes is almost identical to human type 1 diabetes (also called insulin-dependent or juvenile-onset diabetes), the researchers say they may be ready to test their techniques on humans in five years and that a treatment for patients in the early stages of the disease could be ready to test in two years. In findings—published in last week's issue of Nature—were obtained by two research groups working independently. One was led by Daniel L. Kaufaman, a molecular biologist at the University of California at Los Angeles, and the other by Hugh O. Mcdevit of Stanford University. "There's great excitement at the prospects for this research" said James Gavin, a diabetes specialist and president of the American Diabetes Association. "These are studies you have to call convincing. They are clearly likely to have human applications. " Type 1 diabetes has long been known to be an autoimmune disease—an ailment in which the immune system, instead of defending the body against invading microbes, mistakenly attacks part of the body. In diabetes, it kills the special cells in the pancreas that make insulin. Without insulin, cells cannot take in sugar. The body is deprived of sugar energy and its accumulation in the bloodstream damages nerves and other issues. The potential new treatments would either stop the immune system from making a mistake or suppress an existing erroneous response.

单选题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 nm 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% 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 ac- quire 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% 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.

单选题For most thinkers since the Greek philosophers, it was self-evident that there is something called human nature, something that constitutes the essence of man. There were various views about what constitutes it, but there was agreement that such an essence exists—that is to say, that there is something by virtue of which man is man. Thus man was defined as a rational being, as a social animal, an animal that can make tools, or a symbol-making animal. More recently, this traditional view has begun to be questioned. One reason for this change was the increasing emphasis given to the historical approach to man. An examination of the history of humanity suggested that man in our epoch is so different from man in previous times that it seemed unrealistic to assume that men in every age have had in common something that can be called "human nature". The historical approach was reinforced, particularly in the United States, by studies in the field of cultural anthropology. The study of primitive peoples has discovered such a diversity of customs, values, feelings, and thoughts that many anthropologists arrived at the concept that man is born as a blank sheet of paper on which each culture writes its text. Another factor contributing to the tendency to deny the assumption of a fixed human nature was that the concept has so often been abused as a shield behind which the most inhuman acts are committed. In the name of human nature, for example, Aristotle and most thinkers up to the eighteenth century defended slavery. Or in order to prove the rationality and necessity of the capitalist form of society, scholars have tried to make a case for acquisitiveness, competitiveness, and selfishness as innate human traits. Popularly, one refers cynically to "human nature" in accepting the inevitability of such undesirable human behavior as greed, murder, cheating and lying. Another reason for skepticism about the concept of human nature probably lies in the influence of evolutionary thinking. Once man came to be seen as developing in the process of evolution, the idea of a substance which is contained in his essence seemed untenable. Yet I believe it is precisely from an evolutionary standpoint that we can expect new insight into the problem of the nature of man.

单选题Do you find getting up in the morning so difficult that it is painful? This might be called laziness, but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy cycle. During the hours when you labour through your work you may say that you"re "hot". That"s true. The time of day when you feel most energetic is when your cycle of body temperature is at its peak. For some people the peak comes during the forenoon. For others it comes in the afternoon or evening. No one has discovered why this is so, but it leads to such familiar monologues (自言自语) as: "Get up, John! You"ll be late for work again!"The possible explanation to the trouble is that John is at his temperature-and-energy peak in the evening. Much family quarrelling ends when husbands and wives realize what these energy cycles mean, and which cycle each member of the family has. You can"t change your energy cycle, but you can learn to make your life it better. Habit can help, Dr. Kleitman believes. Maybe you"re sleepy in the evening but feel you must stay up late anyway. Counteract (对抗) your cycle to some extent by habitually staying up later than you want to. If your energy is low in the morning but you have an important job to do early in the day, rise before your usual hour. This won"t change your cycle, but you"ll get up steam (鼓起干劲) and work better at your low point. Get off to a slow start which saves your energy. Get with a leisurely yawl and stretch. Sit on the edge of the bed a minute before putting your feet on the floor. Avoid the trouble some search for clean clothes by laying them out the night before. When ever possible, do routine work in the afternoon and save tasks requiring more energy or concentration for your sharper hours.

单选题After (attracting) more than a million marchers-(four times of the size) of the historical 1963 March on Washington-the 2004 March for Women's Life (became) the largest mass demonstration (in history).

单选题As he walked out the court, he was ______ with frustration and rage. A. applauding B. quivering C. paralyzing D. limping

单选题The new bill will come into ______ on the day it is passed. A. effect B. use C. service D. existence

单选题Man：Excuse me , Do you need some help? Woman：I’m trying to get to the rail way station, but I can’t make heads or tails of this ticket matchine . Question：What is the woman’s problem?

单选题The Olympic Games ______ held ______ four years. A. are; each B. is; every C. is; each D. are; every

单选题The power of VBA is clear, but perhaps its biggest advantage is that its just plain easier to ______. A．perform macro-related tasks B．design an ideal environment C．use most programming languages D．execute a program

单选题The media can impact current events. As a graduate student at Berkeley in the 1960s, I remember experiencing the events related to the People's Park that were occurring on campus. Some of these events were given national media coverage in the press and on TV. I found it interesting to compare my impression of what was going on with perceptions obtained from the news media. I could begin to see events of that time feed on news coverage. This also provided me with some healthy insights into the distinctions between these realities. Electronic media are having a greater impact on the people's lives every day. People gather more and more of their impressions from representations. Television and telephone communications are linking people to a global village, or what one writer calls the electronic city. Consider the information that television brings into your home every day. Consider also the contact you have with others simply by using telephone. These media extend your consciousness and your contact. For example, the video coverage of the 1989 San Francisco earthquake focused on "live action" such as the fires or the rescue efforts. This gave the viewer the impression of total disaster. Television coverage of the Iraqi War also developed an immediacy. CNN reported events as they happened. This coverage was distributed worldwide. Although most people were far away from these events, they developed some perception of these realities. In 1992, many people watched in horror as riots broke out on a sad Wednesday evening in Los Angeles, seemingly fed by video coverage from helicopters. This event was triggered by the verdict (裁定) in the Rodney King beating. We are now in an age where the public can have access to information that enables it to make its own judgements, and most people, who had seen the video of this beating, could not understand how the jury (陪审团) was able to acquit (宣布……无罪) the policemen involved. Media coverage of events as they occur also provides powerful feedback that influences events. This can have harmful results, as it seemed on that Wednesday night in Los Angeles. By Friday night the public got to see Rodney King on television pleading, "Can we all get along?" By Saturday, television seemed to provide positive feedback as the Los Angeles riot turned out into a rally for peace. The television showed thousands of people marching with banners and cleaning tools. Because of that, many more people turned out to join the peaceful event they saw unfolding on television. The real healing, of course, will take much longer, but electronic media will continue to be a part of that process.

单选题The main idea of this passage is how to ______.

单选题Please ______ it that the door is locked before you leave.

单选题Sequoyab was a young Cherokee Indian, son of a white trader and an Indian Squaw (北美印第安女人). At an early age, he became fascinated by "tile talking leaf", an expression that he used to describe the white man's written records. Although many believe this "talking leaf" to be a gift from tile Great Spirit, Sequoyah refused to accept that theory. Like other Indians of tile period, he was illiterate, but his determination to remedy tile situation led to the invention of a unique 86 character alphabet based on the sound patterns that he heard. His family and friends thought him mad, but while recuperating (恢复) from a hunting accident, he diligently and independently set out to create a form of communication for his own people as well as for other Indians. In 1821, after twelve years of work, he had successfully developed a written language that would enable thousands of Indians to read and write. Sequoyah's desire to preserve words and events for later generation has caused him to be remembered among the important inventors. The giant redwood trees of California, called "sequoias (红杉)" in his honor, will further imprint his name in history.

单选题{{B}}Text 3{{/B}} The right to pursue happiness is promised to Americans by the US Constitution, but no one seems quite sure which way happiness ran. It may be we are issued a hunting license but offered no game. Jonathan Swift conceived of happiness as "the state of being well-deceived", or of being "a fool among idiots", for Swift saw society as a land of false goals. It is, of course, un-American to think in terms of false goals. We do, however, seem to be dedicated to the idea of buying our way to happiness. We shall all have made it to Heaven when we possess enough. And at the same time the forces of American business are hugely dedicated to making us deliberately unhappy. Advertising is one of our major industries, and advertising exists not to satisfy desires but to create them—and to create them faster than anyone's budget can satisfy them. For that matter, our whole economy is based on addicting us to greed. We are even told it is our patriotic duty to support the national economy by buying things. Look at any of the magazines that cater to women. There advertising begins as art and slogans in the front pages and ends as pills and therapy in the back pages. The art at the front illustrates the dream of perfect beauty. This is the baby skin that must be hers. This, the perfumed breath she must breathe out. This, the sixteen-year-old figure she must display at forty, at fifty, at sixty, and forever. This is the harness into which Mother must strap herself in order to display that perfect figure. This is the cream that restores skin, these are the tablets that melt away fat around the thighs, and these are the pills of perpetual youth. Obviously no reasonable person can be completely persuaded either by such art or by such pills and devices. Yet someone is obviously trying to buy this dream and spending billions every year in the attempt. Clearly the happiness-market is not running out of customers, but what is it they are trying to buy? Defining the meaning of "happiness" is a perplexing proposition: the best one can do is to try to set some extremes to the idea and then work towards the middle. To think of happiness as achieving superiority over others, living in a mansion made of marble, having a wardrobe with hundreds of outfits, will do to set the greedy extreme.