单选题Your plan sounds very attractive, but I don't think it's ______.

单选题 The most exciting kind of education is also the most. Nothing can {{U}}(61) {{/U}} the joy of discovering for yourself something that is important to you. It may be an idea or a bit of information you {{U}}(62) {{/U}} across accidentally--or a sudden {{U}}(63) {{/U}}, fitting together pieces of information or working through a problem. Such personal {{U}}(64) {{/U}} are the "pay off'" in education. A. teacher may {{U}}(65) {{/U}} you to learning and even encourage you in it--but no teacher can make the excitement or the joy happen. That's {{U}}(66) {{/U}} to you. A research paper, {{U}}(67) {{/U}} in a course and perhaps checked at various stages by an instructor, {{U}}(68) {{/U}} you beyond classrooms, beyond the texts for classes and into a {{U}}(69) {{/U}} where the joy of discover and learning can come to you many times. {{U}}(70) {{/U}} the research paper is an active and individual process, and ideal learning process. It provides a structure {{U}}(71) {{/U}} which you can make exciting discoveries, of knowledge and of self that are basic to education. But the research paper also gives you a chance to individualize a school assignment, to {{U}}(72) {{/U}} a piece of work to your own interests and abilities, to show others {{U}}(73) {{/U}} you can do. Waiting a research paper is more than just a classroom exercise. It is an experience in {{U}}(74) {{/U}} out, understanding and synthesizing, which forms the basis of many skills {{U}}(75) {{/U}} to both academic and nonacademic tasks. It is, in the fullest sense, a discovering education. So, to produce a good research paper is both a useful and a thoroughly {{U}}(76) {{/U}} experience! To some, the thought of having to write an assigned number of pages often more than ever produced {{U}}(77) {{/U}}, is disconcerting. To others, the very idea of having to work {{U}}(78) {{/U}} is threatening. But there is no need to approach the research paper assignment with anxiety, and nobody should view the research paper as an obstacle to {{U}}(79) {{/U}} Instead, consider it a goal to {{U}}(80) {{/U}}, a goal within reach if you use the help this book can give you.

单选题Miss Tracy moved to New York in the early 1960s, apparently to escape jealous friends who were becoming increasingly ________ of her success.

单选题The writer asserts that in design strategies and schemes ______.

单选题Passage Five The difference between avian flu and human flu that should be commanding our rapt attention today is that avian influenza, specifically the H5N1 strain known as bird flu, threatens to become the young people's plague. And it is a growing contender to cause a devastating worldwide pandemic in the next few years. We are too used to thinking of flu as an annual annoyance that kills only the frail and elderly. But that just isn't the case for H5N1. With a mortality rate of over 50 percent, this bird flu has killed over 110 people, striking the young and able-bodied the hardest. Its victims cluster predominantly among 5-to-30-year-olds, a pattern that has held up in the 34 known to have died from bird flu so far this year. This vulnerability may stem from the robust and fast-responding immune systems of the young. The victims overreact to the alien virus, triggering a massive immune response called a cytokine storm, turning healthy lungs into a sodden mass of dying tissues congested with blood, toxic fluid, and rampaging inflammatory cells. As air spaces choke off, the body loses oxygen and other organs fail. Scientists have recently shown that H5N1 has ominous parallels with the devastating 1918 flu pandemic, which also jumped directly to humans from birds and disproportionately attacked the young and the strong. With a pattern highly suggestive of a cytokine storm, death sometimes come within just hours, turning many World War I troop ships into death ships. Now imagine hundreds of thousands of young people laboring on respirators, or lying alone in corridors and makeshift hospital rooms, to sick to be helped when the supply of beds, equipment, and trained staff run out. Seem like hype? Not to the medical experts who discussed these scenarios during last week's U.S. News Health Summit on emergency preparedness. This picture puts a face on the U.S. Department of Health and Human Services' projections that, if H5N1 mutates into a readily human-transmissible form, 209,000 to 1.9 million Americans could die. Part of our readiness thinking should be to heed the blunt words of HHS Secretary Michael Leavitt at the summit; any family or community that fails to prepare for the worst, with the expectation that the federal or state government will come to the rescue, will be "tragically wrong". In a pandemic, the government's medical resources will be stretched thin, and it won' be able to guarantee first-line help to any hometown, local hospital, or college campus. Even the national stockpile of Tamiflu, the antiviral that is the best we have to prevent or lessen the impact of the illness, has its limits. If a college student is hospitalized with a possible H5N1 infection, the feds will provide drugs. But they will not make it available to fend off the virus in the many others who may have come in close contact with the infected student. In the existing federal guidance on H5N1, the young and healthy fall into the lowest-priority group for antiviral drugs and vaccines. Student health centers or other providers had better scrounge up their own stockpiles. Containing possible outbreaks on college campuses may be all but impossible. Social distancing- avoiding close contact with other people with air kisses instead of smooches, or even by donning masks and gloves--will be tough to enforce. The threat poses a uniquely difficult challenge. In the best of all scenarios, the virus will lose its fury and leave in its wake a new culture of individual and community preparedness. But we need to get ready now, and not for the best scenario but for the best scenario but for the worst.

单选题______ but I still like him. A. Selfish though he is B. Selfish as he is C. Whether he is selfish or not D. Selfish he may be

单选题Although they are very succinct ——that is why they caught on ——cliches are wasted words because they are ______ expressions rather than fresh ones.

单选题The Greek's lofty attitude toward scientific research—and the scientists' contempt of utility—was a long time dying. For a millennium after Archimedes, this separation of mechanics from geometry inhibited fundamental technological progress and in some areas repressed it altogether. But there was a still greater obstacle to change until the very end of the middle ages: the organization of society. The social system of fixed class relationships that prevailed through the Middle Ages (and in some areas much longer) itself hampered improvement. Under this system, the laboring masses, in exchange for the bare necessities of life, did all the productive work, while the privileged few—priests, nobles, and kings—concerned themselves only with ownership and maintenance of their own position. In the interest of their privileges they did achieve considerable progress in defense, in warmaking, in government, in trader in the arts of leisure, and in the extraction of labor from their dependents, but they had no familiarity with the process of production. On the other hand, the laborers, who were familiar with manufacturing techniques, had no incentive to improve or increase production to the advantage of their masters. Thus, with one class possessing the requisite knowledge and experience, but lacking incentive and leisure, and the other class lacking the knowledge and experience, there was no means by which technical progress could be achieved. The whole ancient world was built upon this relationship—a relationship as sterile as it was inhuman. The availability of slaves nullified the need for more efficient machinery. In many of the conmonplace fields of human endeavor, actual stagnation prevailed for thousands of years. Not all the glory that was Greece and the grandeur that was Rome could develop the windmill or contrive so simple an instrument as the wheelbarrow—products of the tenth and thirteenth centuries respectively. For about twenty-five centuries, two-thirds of the power of the horse was lost because he wasn't shod, and much of the strength of the ox was wasted because his harness wasn't modified to fit his shoulders. For more than five thousand years, sailors were confined to rivers and coasts by a primitive steering mechanism which required remarkably little alteration (in the thirteenth century) to become a rudder. With any ingenuity at all, the ancient plough could have been put on wheels and the ploughshare shaped to bite and turn the sod instead of merely scratching it—but the ingenuity wasn't forthcoming. And the villager of the Middle Ages, like the men who first had fire, had a smoke hole in the center of the straw and reed thatched roof of his one-room dwelling (which he shared with his animals), while the medieval charcoal burner (like his Stone Age ancestor) made himself a hut of small branches.

单选题I had my eyes tested and the report says that my ______ is perfect.

单选题If you go to the park every day in the morning, you will ____ find him doing physical exercise there.

单选题Malaria is all infectious parasitic disease that can be either acute or chronic and is frequent______. A. repeating B. terminal C. debilitating D. recurrent

单选题Having published more than a dozen papers in some first-rate journals, she is held in high ______ by her colleagues.

单选题Henry went through the documents again carefully for fear of______any important data.(中国矿业大学2008年试题)

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单选题She ought not ______ him about the truth, but she did. A. to tell B. telling C. to have told D. having told

单选题Sign has become a scientific hot button. Only in the past 20 years have specialists in language study realized that signed languages are unique—a speech of the hand. They offer a new way to probe how the brain generates and understands language, and throw new light on an old scientific controversy; whether language, complete with grammar, is something that we are born with, or whether it is a learned behavior. The current interest in sign language has roots in the pioneering work of one rebel teacher at Gallaudet University in Washington, D.C., the world"s only liberal arts university for deaf people. When Bill Stokoe went to Gallaudet to teach English, the school enrolled him in a course in signing. But Stokoe noticed something odd: among themselves, students signed differently from his classroom teacher. Stokoe had been taught a sort of gesture code, each movement of the hands representing a word in English. At the time, American Sign Language (ASL) was thought to be on more than a form of pidgin English (混杂英语). But Stokoe believed the "hand talk" his students used looked richer. He wondered: might deaf people actually have a genuine language? And could that language be unlike any other on Earth? It was 1955, when even deaf people dismissed their signing as "substandard". Stokoe"s idea was academic heresy ( 异端邪说). It is 37 years later. Stokoe—now devoting his time to writing and editing books and journals and to producing video materials on ASL and the deaf culture—is having lunch at a cafe near the Gallaudet campus and explaining how he started a revolution. For decades educators fought his idea that signed languages are natural languages like English, French and Japanese. They assumed language must be based on speech, the modulation (调节) of sound. But sign language is based on the movement of hands, the modulation of space. "What I said," Stokoe explains, "is that language is not mouth stuff—it"s brain stuff."

单选题 Opinion polls are now beginning to show an unwilling general agreement that, whoever is to blame and whatever happens from now on, high unemployment is probably here to stay. This means we shall have to find ways of sharing the available employment widely. But we need to go further. We must ask some fundamental questions about the future work. Should we continue to treat employment as the norm? Should we not rather encourage many other ways for self respecting? Should we not create conditions in which many of us can work for ourselves, rather than for an employer? Should we not aim to revive the household and the neighborhood, as well as the factory and the office as centers of production and work? The industrial age has been the only period of human history in which most people's work has taken the form of jobs. The industrial age may now be coming to an end, and some of the changes in work patterns which it brought may have to be reversed. This seems a discouraging thought. But, in fact, it could offer the prospect of a better future for work. Universal employment, as its history shows has not meant economic freedom. Employment became widespread when the 17th and 18th centuries made many people dependent on paid work by depriving them of the use of the land, and thus of the means to provide a living for themselves. Then the factory system destroyed the cottage industries and removed work from people's homes. Later, as transport improved, first by rail and then by road, people traveled longer distances to their places of employment until, eventually, many people's work lost all connection with their home lives and the places in which they lived. Meanwhile, employment put women at disadvantage. It became customary for the husband to go out to paid employment, leaving the unpaid work of the home and family to his wife. All this may now have to change. The time has certainly come to switch some effort and resources away from the impractical goal of creating jobs for all, to the urgent practical task of helping many people to manage without full-time jobs.

单选题Which of the following most accurately describes the pattern of the passage?

单选题This brings a feeling of emptiness that can never be filled and leaves us with a ______ for more. A. scarcity B. command C. hunger D. request

单选题2 As one works with color in a practical or experimental way, one is impressed by two apparently unrelated facts. Color as seen is a mobile changeable thing depending to a large extent on the relationship of the color to other colors seen simultaneously. It is not fixed in its relation to the direct stimulus which creates it. On the other hand, the properties of surfaces that give rise to color do not seem to change greatly under a wide variety of illumi nation colors, usually (but not always) looking much the same in artificial light as in day light. Both of these effects seem to be due in iarge part to the mechanism of color adapta tion mentioned earlier. When the eye is fixed on a colored area, there is an immediate readjustment of the sensitivity of the eye to color in and around the area viewed. This readjustment does not im mediately affect the color seen but usually does affect the next area to which the gaze is shifted. The longer the time of viewing, the higher the intensity, and the larger the area, the greater the effect will be in terms of its persistence in the succeeding viewing situa tion. As indicated by the work of Wright and Shouted, it appears that, at least for a first approximation, full adaptation takes place over a very brief time if the adapting source is moderately bright and the eye has been in relative darkness just previously. As the stimulus is allowed to act, however, the effect becomes more persistent in the sense that it takes the eye longer to regain its sensitivity to lower intensities. The net result is that, if the eye is so exposed and then the gaze is transferred to an area of lower intensity, the loss of sen sitivity produced by the first area will still be present and appear as an "afterimage" super imposed on the second. The effect not only is present over the actual area causing the "lo cal adaptation" but also spreads with decreasing strength to adjoining areas of the eye to produce "lateral adaptation. " Also, because of the persistence of the effect if the eye is shifted around from one object to another, all of which are at similar brightness or have similar colors, the adaptation will tend to become uniform over the whole eye.