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单选题Howdidthespeaker'sfriendsrespondtohischangeofinterest?A.Confused.B.Frightened.C.Nervous.D.Shaky.

单选题The author concludes that, for Arizona to meet the current challenges effectively,______.

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单选题{{I}}Questions 11 -13 are based on the following monologue. You now have 15 seconds to read the questions 11 - 13.{{/I}}

单选题The word "nature" (Line 1, Para. 2) is closest in meaning to which of the following?

单选题 The term "virus" is derived from the Latin word for poison, or slime. It was originally applied to the noxious stench emanating from swamps that was thought to cause a variety of diseases in the centuries before microbes were discovered and specifically linked to illness. But it was not until almost the end of the nineteenth century that a true virus was {{U}}proven{{/U}} to be the cause of a disease. The {{U}}nature{{/U}} of viruses made them impossible to detect for many years, even after bacteria had been discovered and studied. Not only are viruses too small to be seen with a light microscope, they also cannot be detected through their biological activity, except as it occurs in conjunction with other organisms. In fact, viruses show no traces of biological activity by themselves. Unlike bacteria, they are not living agents in the strictest sense. Viruses are very simple pieces of organic material composed only nucleic acid, either DNA or RNA, enclosed in a coat of, protein made up of simple structural units. They are parasites, requiring human, animal or plant cells to live. The virus replicates by attaching to a cell and injecting its nucleic acid; once inside the cell, the DNA or RNA that contains the virus' genetic information takes over the cell's biological machinery, and the cell begins to manufacture viral protein rather than its own.

单选题Accordingtocommonbelief,inwhatwayarethefirstchildandtheonlychildalike?A.Theirparentspayalotofattentiontothem.B.Theirabilityisthesame.C.Theirfamilyhavethesamemanypeople.D.Theyarehappy.

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单选题 You will hear three dialogues or monologues. Before listening to each one, you will have time to read the questions related to it. While listening, answer each question by choosing A, B, C or D. After listening, you will have time to read your answers. You will hear each piece once only. Questions 11-13 are based on the following talk. You now have 15 seconds to read Questions 11-13.

单选题 This year, Harvard turned down more than 200 high-school seniors who had perfect SAT scores. Penn rejected 400 valedictorians salutatorians. And it's not just the Ivy League and other top universities that are besieged by well-qualified seniors. At Washington University in St. Louis, the number of applicants has doubled in the last five years. St. John's University, a commuter college in the New York City borough of Queens, now has so many out-of-town applicants that it is building the first dorm in its 129-year history. Just your luck: you face the stiffest competition in the history college admissions. Your competitors are more numerous than eve about two thirds of all high-school graduates will go on to some form higher education next fall, compared with just over half in the late 1960s. And by most yardsticks, your fellow applicants have the best qualifications ever. The class of 2004 will start freshman year with twice as many college credits-earned from advanced-placement courses and other special high-school work--as their counterparts had a decade before. Their SAT and ACT scores will be the highest in 15 years. "When we receive phone calls from students in April asking why they were not admitted, we sometimes have difficulty finding a reason," says Lee Stetson, dean of admissions at the University of Pennsylvania. But the tough competition isn't just your problem. It's also a huge challenge for the colleges. They are swamped with applicants, many of whom are applying to a dozen or more institutions--partly as a kind of failsafe, and partly because the students can't decide what they want. Admissions offices have to separate the serious prospects from the window shoppers and the multiple hookers. For you, the good news is that there's a place somewhere for just about everyone. The question is, how will you and your ideal college find each other? There are lots of choices out there. When Bob Kinnally, Stanford's director of admissions and financial aid, gets complaints from parents whose kids were rejected, he asks them where their offspring did get in. "They rattle off this amazing list of choices," he says. "I tell them Congratulations, school so-and-so is an excellent match for your child. It's all about a good match."

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单选题According to the author, among tribal people, ________.

单选题 Whether work should be placed among the causes of happiness or among the causes of unhappiness may perhaps be regarded as a doubtful question. There is certainly much work which is exceedingly weary and an excess of work is always very painful. I think, however, that, provided work is not excessive in amount, even the dullest work is to most people less painful then idleness. There are in work all grades, from mere relief of tedium up to the profoundest delights, according to the nature of the work and the abilities of the worker. Most of the work that most people have to do is not in itself interesting, but even such work has certain great advantages. To begin with, it fills a good many hours of the day without the need of deciding what one shall do. Most people, when they are left free to fill their own time according to their own choice, are at a loss to think of anything sufficiently pleasant to be worth doing. And whatever they decide, they are troubled by the feeling that something else would have been pleasanter. To be able to fill leisure intelligently is the last product of civilization, and at present very few people have reached this level. Moreover the exercise of choice is in itself tiresome. Except to people with unusual initiative it is positively agreeable to be told what to do at each hour of the day, provided the orders are not too unpleasant. Most of the idle rich suffer unspeakable boredom as the price of their freedom from toil. At times they may find relief by hunting big game in Africa, or by flying round the world, but the number of such sensations is limited, especially after youth is past. Accordingly the more intelligent rich men work nearly as hard as if they were poor, while rich women for the most part keep themselves busy with innumerable trifles of those earth-shaking importance they are firmly persuaded. Work therefore is desirable, first and foremost, as a preventive of boredom, for the boredom that a man feels when he is doing necessary though uninteresting work is as nothing in comparison with the boredom that he feels when he has nothing to do with his days. With this advantage of work another is associated, namely that it makes holidays much more delicious when they come. Provided a man does not have to work so hard as to impair his vigor, he is likely to find far more zest in his free time than an idle man could possibly find. The second advantage of most paid work and of some unpaid work is that it gives chances of success and opportunities for ambition. In most work success' is measured by income, and while our capitalistic society continues, this is inevitable. It is only where the best work is concerned that this measure ceases to be the natural one to apply. The desire than men feel to increase their income is quite as much a desire for success as for the extra comforts that a higher income can acquire. However dull work may be, it becomes bearable if it is a means of building up a reputation, whether in the world at large or only in one's own circle.

单选题Compared with those small towns, people in large cities have