单选题We had only a vague description of the attacker.

单选题The indecisive man was {{U}}readily{{/U}} persuaded to change his mind again.

单选题I don't get into a Upanic/U speaking the language when I'm in Greece, it's driving on the other side of the road which bothers me.

单选题Leaves are not distributed {{U}}accidentally{{/U}} on a plant stem, but are arranged in a very precise way that assures them the maximum light.

单选题下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案。{{B}}第一篇{{/B}} {{B}}Human and Life{{/B}} If you intend using humor in your talk to make people smile, you must know how to identify shared experiences and problems. Your humor must be relevant to the audience and should help to show them that you are one of them or that you understand their situation and are in sympathy with their point of view. Depending on whom you are addressing, the problems will be different. If you are talking to a group of managers, you may refer to the disorganized methods of their secretaries; alternatively if you are addressing secretaries, you may want to comment on their disorganized bosses. Here is an example, which I heard at a nurses’ convention, of a story which works well because the audience all shared the same view of doctors. A man arrives in heaven and is being shown around by St. Peter. He sees wonderful accommodations, beautiful gardens, sunny weather, and so on. Everyone is very peaceful, polite and friendly until, waiting in a line for lunch, the new arrival is suddenly pushed aside by a man in a white coat, who rushes to the head of the line, grabs his food and stomps over to a table himself. “Who is that?” the new arrival asked St. Peter. “Oh, that’s God,” came the reply, “but sometimes he thinks he’s a doctor.” If you are part of the group which you are addressing, you will be in a position to know the experiences and problems which are common to all of you and it’ll be appropriate for you to make a passing remark about the inedible canteen food or the chairman's notorious bad taste in ties. With other audiences you mustn’t attempt to cut in with humor as they will resent an outsider making disparaging remarks about their canteen of their chairman. You will be on safer ground if you stick to scapegoats like the Post Office or the telephone system. If you feel awkward being humorous, you must practice so that it becomes more natural. Include a few casual and apparently off the cuff remarks which you can deliver in a relaxed and unforced manner. Often it’s the delivery which causes the audience to smile, so speak slowly and remember that a raised eyebrow or an unbelieving look may help to show that you are making a light hearted remark. Look for the humor. It often comes from the unexpected. A twist on a familiar quote “If at first you don’t succeed, give up” or a play on words or on a situation. Search for exaggeration and under statements. Look at your talk and pick out a few words or sentences which you can turn about and inject with humor.

单选题David Jones and His Salary Computer programmer David Jones earns ￡35,000 a year designing new computer games, yet he cannot find a bank prepared to let him have a cheque card (支票卡). Instead, he has been told to wait another two years, until he is 18. The 16-year-old works for a small firm In Liverpool, where the problem of most young people of his age is finding a job. David's firm releases two new games for the home computer market each month. But David's biggest headache is what to do with his money. Despite his salary, earned buy inventing new programs, with bonus payments and profit-sharing, he cannot drive a car, buy a house, or obtain credit cards (信用卡). He lives with his parents in Liverpool. His company has to pay ￡150 a month in taxi fares to get him the five miles to work and back every day because David cannot drive. David got his job with the Liverpool-based company four months ago, a year after leaving school and working for a time in a computer shop. "I got the job because the people who run the firm knew I had already written some programs," he said. "I suppose ￡35,000 sounds a lot but I hope it will come to more than that his year." He spends some of his money on records and clothes, and gives his mother ￡20 a week. But most of his spare time is spent working. "Unfortunately, computing was not part of our studies at school," he said. "But I had been studying it in books and magazines for four years in my spare time. I knew what I wanted to do and never considered staying on at school. Most people in this business are fairly young, anyway." David added: "I would like to earn a million and I suppose early retirement (退休) is a possibility. You never know when the market might disappear./

单选题What is your goal in life?

单选题Some Things We Know about Language Many things about language are a mystery, and many will always remain so. But some things we do know. First, we know that all human beings have a language of some sort. There is no race (种族) of men anywhere on earth so backward that it has no language, no set of speech sounds by which the people communicate with one another. Furthermore, in historical times, there has never been a race of men without a language. Second, there is no such thing as a primitive (原始的) language. There are many people whose cultures are undeveloped, who are, as we say, uncivilized, but the languages they speak are not primitive. In all known languages we can see complexities that must have been tens of thousands of years in developing. This has not always been well understood; indeed, the direct contrary has often been stated. Popular ideas of the language of the American Indians will illustrate. Many people have supposed that the Indians communicated in a very primitive system of noises. Study has proved this to be nonsense. There are, or were, hundreds of American Indian languages, and all of them turn out to be very complicated and very old. They are certainly different from the languages that most of us are familiar with, but they are no more primitive than English and Greek. A third thing we know about language is that all languages are perfectly adequate. That is, each one is a perfect means of expressing the culture of the people who speak the language. Finally, we know that language changes. It is natural and normal for language to change; the only languages which do not change are the dead ones. This is easy to understand if we look backward in time. Change goes on in all aspects of language. Grammatical features change as do speech sounds, and changes in vocabulary are sometimes very extensive and may occur very rapidly. Vocabulary is the least stable part of any language.

单选题The wing of A3XX will not be spoiled when it is stricken by a strong wind because its surfaces are designed to be movable.

单选题Talking to Kids about SARS (非典) School age children may he learning about SARS from adults and the media, but may not know what to make of the situation, says a national health charity. The Lung Association says parents should take time to talk to their 1 and explain the facts about SARS and how to avoid the illness. The following is based on recommendations 2 Thursday by the Lung Association: ▲ Ask your children if they have heard 3 SARS at school, from friends, from TV, etc. Finding out what they already know can be a good 4 to start the conversation and to clear away any wrong ideas they might have about the illness and how it is spread. ▲ School age children are usually old 5 to understand concepts such as getting sick from germs (细菌) and how to avoid illness. A simple reminder (提示) 6 to cough on people and to wash their hands often may be sufficient for younger kids. All children should be shown how to 7 their hands properly. ▲ Remember to keep it simple so 8 not to overwhelm children with information, but answer them truthfully. Kids can tell when you"re not being honest or if you"re hiding something, and sometimes the unknown can be more frightening than the 9 . Parents with anxious children will know 10 their kids will handle information on SARS and can tailor their discussion accordingly. ▲ One way to explain the illness is to tell children that SARS is like a bad breathing problem. It is 11 from a cold, but people can catch it in the same ways—such as coughing on someone, not washing your hands or sharing a glass with a sick person. ▲ Describe how SARS is spread, but mention that the chance of 12 SARS is small. There is no reason to tell children people are dying of SARS 13 they ask. Never use the threat of death as a way to remind kids to wash their hands. ▲ Children should be 14 to trust their parents and other caregivers. Explain that many smart people, 15 doctors and scientists, are working on the problem and looking out for everyone"s health.

单选题Sleep stairs can present a particular hazard to older people. A. picture B danger C. evidence D. case

单选题How long does each business cycle last, according to the president?

单选题The presidant {{U}}proposed {{/U}}that we should bring the meeting to a close．

单选题New Technique Promises Earlier Cancer Detection A new technique could revolutionize the early detection of cancer, giving sufferers a greater chance of beating the disease, American scientists said. Researchers at the Massachusetts Institute of Technology have devised a novel method of 【51】 changes in the nucleus of cells in the earliest stages of the disease." More than 85 percent of all cancers originate in the epithelium (上皮) that lines the internal surfaces of organs 【52】 the body. Although these are treatable 【53】 they are diagnosed in one of the preventable stages, early body damages are almost 【54】 to detect," said scientist Feld. " We present a new optical-probe (光学探子) technique based on light-scattering spectroscopy (分光镜检查) that is able 【55】 detect precancerous and early cancerous cells in cell-rich epithelia," he added in a statement. The new technique relies on the fact 【56】 cell nuclei change in the early stages of cancer and the differences scatter light in a characteristic way. Until now the changes were only detectable 【57】 a biopsy (活检) was taken, the scientists said. The new technique, 【58】 in the science journal Nature, can be used in conjunction with a routine cancer screening and surveillance technique which uses an endoscope (内窥镜) —a flexible optical probe 【59】 with cameras which is inserted into a cavity in the body—to check 【60】 cancers. The scientists said they 【61】 their new technique in four different organs during routine endoscopic cancer screening. The tip of the optical probe was brought into contact with the tissue to be tested and the scattering of light was recorded without the need for any tissue to be 【62】 , the scientists said. " Our results show that light-scattering spectroscopy has the potential to detect pre-cancerous body damages and preinvasive cancers throughout the body. This technique should 【63】 improve the efficiency of cancer screening and surveillance," the scientists said. Cancer is one of the biggest 【64】 in industrialized countries. 【65】 to figures from the World Health Organization, 10 million people were diagnosed with the disease worldwide in 1997 and six million died.

单选题 下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。清仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案。{{B}}第一篇{{/B}} {{B}} Benefits of Educating Girl{{/B}} The benefits of educating girls are numerous --to individual girls both when they are young and when they become adult women, to their future families, and to society as whole. Education enables women to contribute more fully to the social and economic development of their societies. A girl's education is also an investment in future generations. The more educated a mother is, the more likely are her children --particularly her daughters -- to roll and stay in school. The higher level of education attained by women is strongly associated with lower child death. Experts believe more educated women practice better hygiene and nutrition(营养),use health services more frequently, and survive better. Woman with more schooling tend to be healthier themselves. Perhaps reflecting their improved ability to avoid frequent childbearing (分娩)and to take advantage of available health services during pregnancy(怀孕). The educational level achieved by women, like family planning services, has the most powerful influence on family size. The impact of education on family size is strongest and most consistent for women who have completed some secondary schooling. Educating girls is three times more likely to lower family size than educating boys. Education appears to affect family size in many ways. More educated women not only want fewer children than their less educated husbands, but also are more likely to use effective contraception(避孕) successfully and to limit their families to the number of children, which contribute to smaller family size. Family size is ideal and child death rates are lowest, therefore, in countries that combine strong family planning and health programs with high levels of education for women.

单选题 Continue to Protect or Destroy Ecosystem Biosphere Ⅱ was a spectacular failure. The gleaming glass-and-concrete habitat sprawling across the desert in Oracle, Arizona, was supposed to support eight human "biospherians" for two years. But the seal has to he broken before the experiment ended in 1993. Oxygen had fallen to levels normally seen at an elevation of 17,500 feet. Nitrous oxide had risen to the point where it threatened to cause brain damage. The fresh water supply became contaminated, and vines smothered (厚厚地覆盖) food plants. Insect pollinators (传授花粉的生物) and many other species became extinct. By the end, Biosphere Ⅱ was overrun with swarms of ants and cockroaches. Scientists who gathered recently to review the Biosphere Ⅱ experiment reached a disturbing conclusion: "No one yet knows how to engineer systems that provide humans with the life-supporting services that natural ecosystems produce for free." The problem is that these ecosystems are undergoing wrenching changes. Water and air quality, while improving in some regions, are deteriorating in many others. Carbon dioxide levels in the atmosphere arc climbing. The world's population could reach 10 billion by 2050. And famed Harvard biologist Edward O. Wilson says the current rate of species losses puts us "in the midst of one of the great extinction spasms (突然进发) of geological history." All of which makes many ecologists wonder whether humans too will soon become extinct. It's an incredibly important but incredibly difficult question. If we continue on this course, we're heading for a world in which we will have to engineer services we've always received for free from nature. That's why the failure of Biosphere Ⅱ was so disturbing: it proves that we don't yet know how to do that. The Biosphere Ⅱ experience demonstrated that maintaining human life is a tricky proposition-especially if we can no longer rely on the services provided by natural ecosystems. If we are currently living through a mass extinction, as Wilson believes, we should consider the past. In the great Permian extinction 245 million years ago, 96 percent of species perished. Eventually, the Earth was repopulated with a rich collection of new species, but it took 100 million years. "That should give pause to anyone who believes that what Homo sapiens (现代人) destroys, nature will redeem," Wilson says. "Maybe so, but not within any length of time that has meaning for contemporary humanity."

单选题The two banks have announced plans to {{U}}merge{{/U}} nest year. A. combine B. sell C. close D. break

单选题The Intemet as the public has known it and used it for the last decade may not be the Interact for the future. The system is getting old and rickety( 快要散架的; 摇摇晃晃的) ,particularly for the volume of commerce it has to accommodate. The prophylactic(预防性的) software that was meant to protect the web is less effective. Like anything else that is used regularly whether it is a ear, a light bulb, or a PC, the Internet is going to have to be patched and upgraded more often now. It won't work every hour of every day anymore. The paragraph is intended to tell the reader thatA. the Internet is working properly till now.B. the Internet used now has many problems.C. the Intemet has to deal with a lot of data.D. the Internet is well protected by softwar

单选题Gardner thinks that his theory has a ________ .

单选题We do not recognize the Uall-comprehensive/U effects of a center on every aspect of our life.