单选题The crowd swelled in the evening until the noise made by the crowd could be heard for miles.

单选题To prevent flooding in winter the water flowing from the dam is constantly ______ by a computer.

单选题Two days later he regained his consciousness, forgetful of what had happened in the______

单选题______, after long pondering, I arrived at the following conjecture. A. To date B. In case C. For sure D. At length

单选题She was standing outside in the snow,______with cold.(2007年中南大学考博试题)

单选题The negotiation______ when no agreement could be reached.

单选题The high school which my daughter studies in is______our university. A. linked by B. relevant to C. mingled with D. affiliated with

单选题Can the Internet help patients jump the line at the doctor's office? The Silicon Valley Employers Forum, a sophisticated group of technology companies, is launching a pilot program to test online "virtual visits" between doctors at three big local medical groups and about 6,000 employees and their families. The six employers taking part in the Silicon Valley initiative, including heavy hitters such as Oracle and Cisco Systems, hope that online visits will mean employees won't have to skip work to tend to minor ailments or to follow up on chronic conditions. "With our long commutes and traffic, driving 40 miles to your doctor in your hometown can be a big chunk of time," says Cindy Conway, benefits director at Cadence Design Systems, one of the participating companies. Doctors aren't clamoring to chat with patients online for free; they spend enough unpaid time on the phone. Only 1 in 5 has ever E-mailed a patient, and just 9 percent are interested in doing so, according to the research firm Cyber Dialogue. "We are not stupid," says Stifling Somers, executive director of the Silicon Valley employers group. "Doctors getting paid is a critical piece in getting this to work. " In the pilot program, physicians will get $ 20 per online consultation, about what they get for a simple office visit. Doctors also fear they'll be swamped by rambling E-mails that tell everything but what's needed to make a diagnosis. So the new program will use technology supplied by Healinx, an Alameda, Calif-based start-up. Healinx's "Smart Symptom Wizard" questions patients and turns answers into a succinct message. The company has online dialogues for 60 common conditions. The doctor can then diagnose the problem and outline a treatment plan, which could include E-mailing a prescription or a face-to-face visit. Can E-mail replace the doctor's office? Many conditions, such as persistent cough, require stethoscope to discover what's wrong and to avoid a malpractice suit. Even Larry Bonham, head of one of the doctor's groups in the pilot, believes the virtual doctor's visits offer a "very narrow" sliver of service between phone calls to an advice nurse and a visit to the clinic. The pilot program, set to end in nine months, also hopes to determine whether online visits will boost worker productivity enough to offset the cost of the service. So far, the Internet's record in the health field has been underwhelming. The experiment is "a huge roll of the dice for Healing", notes Michael Barrett, an analyst at Internet consulting firm Forester Research. If the "Web visits" succeed, expect some HMOs(Health Maintenance Organizations)to pay for online visits. If doctors, employers, and patients aren't satisfied, figure on one more E-health start-up to stand down.

单选题Gentleness has been considered a ______ trait. A. boyish B. delicate C. feminine D. male

单选题The best films are those which ______ national or cultural barriers. A. transcend B. transit C. transcribe D. transect

单选题Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man. They do not provide energy, (21) do they construct or build any part of the body. They are needed for (22) foods into energy and body maintenance. There are thirteen or more of them, and if (23) is missing a deficiency disease becomes (24) Vitamins are similar because they are (25) of the same elements--usually carbon, hydrogen, oxygen, and (26) . nitrogen. They are different (27) their elements are arranged (28) , and each vitamin (29) one or more specific (30) in the body. (31) enough vitamins is essential to life, (32) the body has no nutritional use for (33) vitamins. Many people, (34) , believe in being on the "safe side" and thus take extra vitamins. However, a (35) diet will usually meet all the body's vitamin needs.

单选题The police have asked for the ______ of the public in tracing the whereabouts of the missing child. A. award B. so-operation C. position D. helpfulness

单选题The most important consideration for manned space flight is that the rocket be ______.

单选题Tom could hardly ______ his excitement as he knew that he had made a real discovery.(2002年春季上海交通大学考博试题)

单选题In 1984, President Ronald Reagan proposed that the United States construct a launch laboratory for a new era of space Uexploration/U.

单选题Writing about music is like dancing about architecture, or so the saying goes. Sometimes attributed to Frank Zappa, other times to Elvis Costello, this quote is usually intended to convey the futility of such an endeavor, if not the complete silliness of even attempting it. But Glenn Kurtz's graceful memoir, Practicing- A Musician's Return to Music, turns the expression on its head, giving it a different meaning by creating a lovely, unique book. Kurtz picked up the guitar as a kid in a music-loving family, attended the Long Island music school, and went on to play on Merv Griffin's TV show before graduating from Tufts University. Motivating the young Kurtz was the dream of reinventing classical guitar, as if by his great ambition alone he could push it from the margins of popular interest to center stage--something not even accomplished by the late Spanish guitarist Andres Segovia, perhaps the only artist of the form ever to reach anything resembling widespread celebrity. This book reads like a love story of sorts: Boy meets guitar. Boy loves guitar. Guitar breaks boy's heart or, more precisely, the ordinariness of a working musician's life does so. "I'd just imagined the artist's life naively, childishly, with too much longing, too much poetry and innocence and purity," Kurtz writes. "The guitar had been the instrument of my dreams. Now the dream was over." Boy leaves guitar. Were the story to end here, this book would be a tragedy, but after nearly a decade the boy returns to guitar, and although he has lost the enthusiasm he had in his youth, he finds his love of the guitar again in a way he never could have appreciated before. Although Kurtz is writing about a unique musical path, his journey speaks eloquently to the heart of anyone who has ever desperately yearned to achieve something and felt the sting of disappointment. "Everyone who gives up a serious childhood dream--of becoming an artist, a doctor, an engineer, an athlete--lives the rest of their life with a sense of loss, with nagging what ifs, "he writes. "Is that time and effort, that talent and ambition, truly wasted?/

单选题My mother likes to have her hair______.

单选题3 World Trade Organization Director-general Renato Ruggiero predicted that the WTO would boost global incomes by ﹩1 trillion in the next ten years. The pact paves the way for more foreign investment and competition in telecom markets. Many governments are making telecom deregulation a priority and making it easier for outsiders to enter the telecom- munication business. The pace varies widely. The U. S. and Britain are well ahead of the pack, while Thai- land won't be fully open until 2006. Only 20% of the ﹩ 601 billion world market is currently open to competition. That should jump to about 75% in a couple of years—largely due to the Telecom Act in the U. S. last year that deregulated local markets, the opening up of the European Union's markets from Jan. 1, 1998 and the deregulation in Japan. The WTO deal now provides a forum for the inevitable disputes along the way. It is also symbolic.. the first major trade agreement of the post-industrial age. Instead of being obsessed with textile quotas, the WTO pact is proof that governments are realizing that in an information age, telecom is the oil and steel of economies in the future. Businesses around the world are already spending more in total on telecom services than they do on oil. Consumers, meanwhile, can look forward to a future of lower prices—by some estimates, international calling rates should drop 80% over several years—and better serv- ice. Thanks in part to the vastly increased call volume carded by the fiber-optic cables that span the globe today, calling half a world away already costs little more than telephoning next door. The monopolies can no longer set high prices for international calls in many countries. In the U. S. , the world's most fiercely competitive long distance market, fre- quent callers since last year have been paying about 12 cents a minute to call Britain, a price not much more than domestic rates. The new competitive environment on the horizon means more opportunities for compa- nies from the U. S. and U. K. in particular because they have plenty of practice at the roughand tumble of free markets. The U. S. lobbied hard for the WTO deal, confident that its firms would be big beneficiaries of more open markets. Britain has been deregulated since 1984 but will see even more competition than before, in December, the government issued 45 new international licenses to join British Telecom so that it will become a strong competitor in the international market. However, the once-cosseted industry will get rougher worldwide. Returns on capital will come down. Risks will go up. That is how free markets work. It will look like any other business.

单选题I never trusted him because I always thought of him as such a ______ character. A. gracious B. suspicious C. unique D. particular

单选题Since the early eighties we have been only too aware of the devastating effects of large-scale environmental pollution. Such pollution is generally the result of poor government planning in many developing nations or the short-sighted, selfish policies of the already industrialized countries which encourage a minority of the world's population to squander the majority of its natural resources. While events such as the deforestation of the Amazon jungle or the nuclear disaster in Chernobyl continue to receive high...remembered that not all pollution is on this grand scale. A large proportion of the world's pollution has its source much close to home. Avoiding pollution can be a fulltime job. Try not to inhale traffic fumes, keep away from chemical plants and building-sites; wear a mask when cycling. It is enough to make you want to stay at home. But that, according to a growing body of scientific evidence, would also be a bad idea. Research shows that levels of pollutants such as hazardous gases, particulate matter and other chemical "nasties" are usually higher indoors than out, even in the most polluted cities. Since the average American spends 18 hours indoors for every hour outside, it looks as though many environmentalists may be attacking the wrong target. The latest study, conducted by two environmental engineers, Richard Corsi and Cynthia Howard-Reed, of the University of Texas in Austin, and published in Environmental Science and Technology, suggests that it is the process of keeping clean that may be making indoor pollution worse. The researchers found that baths, showers, dishwashers and washing machines can all be significant sources of indoor pollution, because they extract trace amounts of chemicals from the water that they use and transfer them to the air. Nearly all public water supplies contain very low concentrations of toxic chemicals, most of them left over from the otherwise beneficial process of chlorination. In fact, in many cases, the degree of exposure to toxic chemicals in tap water by inhalation is comparable to the exposure that would result from drinking the stuff. This is significant because many people are so concerned about water-borne pollutants that they drink only bottled water, worldwide sales of which are forecast to reach $ 72 billion by next year. Dr. Corsi's results suggest that they are being exposed to such pollutants any way simply by breathing at home. The aim of such research is not, however, to encourage the use of gas masks when unloading the washing. Instead, it is to bring a sense of perspective to the debate about pollution. According to Dr. Corsi, disproportionate effort is wasted campaigning against certain forms of outdoor pollution; when there is as much or more cause for concern indoors, fight under people's noses. Using gas cookers or burning candles, for example, both result in indoor levels of carbon monoxide and particulate matter that are just as high as those to be found outside, amid heavy traffic. Overcrowded classrooms whose ventilation systems were designed for smaller numbers of children frequently contain levels of carbon dioxide that would be regarded as unaccepted on board a submarine. "New car smell" is the result of high levels of toxic chemicals, not cleanliness. Laser printers, computers, carpets and paints all contribute to the noxious indoor mix. The implications of indoor pollution for health are unclear. But before worrying about the problems caused by large-scale industry, it makes sense to consider the small-scale industry, it makes sense to consider the small-scale pollution at home and welcome international debate about this. Scientists investigating indoor pollution will gather next month in Edinburgh at the Indoor Air conference to discuss the problem. Perhaps unwisely, the meeting is being held indoors.