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单选题{{B}}第三篇{{/B}} The Greatest Show on Earth The Olympic Games (奥林匹克运动会) are the greatest festival of sport in the world. Every four years, a hundred or more countries send their best sportsmen to compete (竞赛) for the highest honors in sport. As many as 6,000 people take part in over 20 sports. For the winners, there are gold medals(奖牌) and glory. But there is honor, too, for all who compete, win or lose. That is in spirit of the Olympics-to take part is what matters. The Olympic Games always start in a bright color and action. The teams of all the nations parade in the opening ceremony(仪式) and march round the track. The custom is for the Greek team to march in first. For it was in Greece that the Olympics began. The team of the country where the Games are being held-the host country-marches in last. The runner with the Olympic torch (火炬) then enters the stadium(体育场) and lights the flame. A sportsman from the host country takes the Olympic oath (誓言) on behalf of all the competitors(竞赛者). The judges and officials also take an oath. After the sportsmen march out of the stadium the host country puts on a wonderful display. The competitions begin the next day. There are usually more than twenty sports in the Games. The rule is that there must be at least fifteen. The main events are in track and field (田径), but it is a few days before these sports start. Each day the competitors take part in a different sport-riding, shooting, swimming, and cross-country running. Points are gained for each event. Medals are awarded (颁发) for the individual winners and for national teams. More and more women are taking part in the games. They first competed in 1900, in tennis and golf, which are no longer held in the Olympics. Women's swimming events were introduced in 1912. But it was not until 1928 that there were any track and field events for women. Now, they compete in all but half a dozen of the sports. In horse riding, shooting, and boat racing, they may compete in the same events as the men.
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单选题It is useless to argue with him once he has made up his mind .
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单选题Chinese people began to be aware of the seriousness of the population.
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单选题We can draw a conclusion from the last paragraph that _____.
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单选题{{B}}第三篇{{/B}} Renewable Energy Sources Today petroleum (石油) provides around 40% of the world's energy needs, mostly fuelling automobiles. Coal is still used, mostly in power stations, to cover one-quarter of our energy needs, but it is the least efficient, unhealthiest and most environmentally damaging fossil fuel (矿物燃料). Natural gas reserves could fill some of the gap from oil, but reserves of that will not last into the 22nd century either. Most experts predict we will exhaust easily accessible reserves within 50 years. Less-polluting renewable energy sources offer a more practical long-term energy solution. "Renewable" refers to the fact that these resources are not used faster than they can be replaced. Hydroelectric (水力发电的) power is now the most common form of renewable energy, supplying around 20% of world electricity. China's Three Gorges Dam is the largest ever. At five times the size of the US's Hoover Dam, it's 26 turbines (涡轮机) will generate the equivalent energy of 18 coal-fired power stations. It will satisfy 3% of China's entire electricity demand. In 2003, the first commercial power station to use tidal (潮汐的) currents in the open sea opened in Norway. It is designed like windmill (风车), but others take the form of turbines. As prices fall, wind power has become the fastest growing type of electricity generation quadrupling (翻两番) worldwide between 1999 and 2005.Modern wind farms consist of turbines that generate electricity. Though it will be more expensive, there is more than enough wind to provide the world's entire energy needs. Wind farms come in onshore and offshore forms. They can often end up at spots of natural beauty, and are often unpopular with residents. And turbines are not totally harmless—they can interfere with radar, alter climate and kill sea birds. Scotland is building Europe's largest wind farm, which will power 200,000 homes. The UK's goal is to generate one-fifth of power from renewable sources, mainly wind, by 2020.But this may cause problems, because wind is unreliable.
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单选题The History of Examinations In ancient times the most important examinations were spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted of saying poetry aloud or giving speeches. In the European universities of the Middle Ages, students who were working for advanced degrees had to discuss questions in their field of study with people who had made a special study of the subject. This custom exists today as part of the process of testing candidates for the doctor's degree. Generally, however, modern examinations are written. The written examination, where all students are tested on the same question, was probably not known until the nineteenth century. Perhaps it came into existence with the great increase in population and the development of modern industry. A room full of candidates for a state examination, timed exactly by electric clocks and carefully watched over by managers, resembles a group of workers at an automobile factory. Generally, during examinations teachers and students are expected to act like machines. One type of test is sometimes called an "objective" test. It is intended to deal with facts, not personal opinions. To make up an objective test the teacher writes a series of questions, each of which has only one correct answer. Along with each question the teacher writes the correct answer and also three statements that look like correct answers to students who have not learned the material properly.
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单选题{{B}}第三篇{{/B}} Preserving Nature for Future Demands for stronger protection for wildlife in Britain sometimes hide the fact that similar needs are felt in the rest of Europe. Studies by the Council of Europe, of which 21 counties are members, have shown that 45 percent of reptile(爬行类的) species and 24 percent of butterflies are in danger of dying out. European concern for wildlife was outlined by Dr Peter Baum, an expert in the environment and natural resources division of the council, when he spoke at a conference arranged by the administrators of a British national park. The park is one of the few areas in Europe to hold the council's diploma for nature reserves of the highest quality, and Dr. Peter Baum had come to present it to the park once again. He was afraid that public opinion was turning against national parks, and that those set up in the 1960s and 1970s could not be set up today. But Dr. Baum clearly remained a strong supporter of the view that natural environments needed to be allowed to survive in peace in their own right. "No area could be expected to survive both as a true nature reserve and as a tourist attraction," he went on. The short-sighted(眼光短浅的) view that reserves had to serve immediate human demands for outdoor recreation should be replaced by full acceptance of their importance as places to preserve nature for the future. "We forget that they are the guarantee of life systems, on which any built-up area ultimately depends, " Dr. Baum went on, "We could manage without most industrial products, but we could not manage without nature. However, our natural environment areas, which are the original parts of our countryside, have shrunk to become mere(纯粹的) islands in a spoiled and highly polluted land mass."
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单选题阅读下面的短文,文中有15处空白,每处空白给出了4个选项,请根据短文的内容从4个选项中选择1个最佳答案。 Man and Computer What makes people different from computer programs? What is the missing element that our theories don't yet{{U}} (51) {{/U}}for? The answer is simple: People read newspaper stories {{U}}(52) {{/U}}a reason to learn more about what they are interested in. Computers, on the other hand, don't. In fact, computers don't{{U}} (53) {{/U}}have interests; there is nothing in particular that they are trying to find out when they read. If a computer{{U}} (54) {{/U}}is to be a model of story understanding, it should also read for a "purpose". Of course, people have several goals that do not make{{U}} (55) {{/U}}to attribute to computers. One might read a restaurant guide in order to satisfy hunger or entertainment goals, or to {{U}}(56) {{/U}}a good place to go for a business lunch. Computers do not{{U}} (57) {{/U}}, and computers do not have business lunches. However, these physiological and social goals give{{U}} (58) {{/U}}to several intellectual or cognitive(认知的)goals. A goal to satisfy hunger gives rise to goals to find{{U}} (59) {{/U}}about the name of a restaurant which serves the desired type of food, how expensive the restaurant is, the {{U}}(60) {{/U}}of the restaurant, etc. These are goals to{{U}} (61) {{/U}}information or knowledge, what we are calling{{U}} (62) {{/U}}goals. These goals can be held by computers too a computer might "want" to find out the location of a restaurant, and read a guide in order to do so{{U}} (63) {{/U}}the same way as a person might. While such a goal would not{{U}} (64) {{/U}}out of hunger in the case of the computer, it might{{U}} (65) {{/U}}rise out of the "goal" to learn more about restaurants.
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单选题Did you do that to {{U}}irritate{{/U}} her? A. tease B. attract C. annoy D. protect
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单选题I am going as a favor to Ann because I have to.
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单选题I'm very sorry to have {{U}}bothered{{/U}} you with so many questions on such an occasion.
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单选题She has a deeply moving experience during these years.
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单选题US Blacks Hard-hit by Cancer Death rates for cancer are falling for all Americans, but black Americans are still more likely to die of cancer than whites, the American Cancer Society said Monday. In a special report on cancer and blacks, the organization said blacks are usually diagnosed with cancer later than whites, and they are more likely to die of the disease. This could be because of unequal access to medical care, because blacks are more likely to have other diseases like diabetes as well, and perhaps because of differences in the biology of the cancer itself, the report added. "In general, African Americans have less likelihood of surviving five years after diagnosis than whites for all cancer sites and all stages of diagnosis," the report said. "In describing cancer statistics for African Americans, this report recognizes that socioeconomic disparities and unequal access to medical care may underlie many of the differences associated with race." The Cancer Society said blacks should be encouraged to get check-ups earlier, when cancer is more treatable, and it said more research was needed to see if biological differences play a role. "The new statistics emphasize the continuing importance of eliminating these social disparities through public policy and education efforts," the organization said in a statement. But it also noted a drop in cancer death rates. "Cancer death rates in both sexes for all sites combined have declined substantially among African Americans since 1992, as have incidence rates," said the report. "Increased efforts to improve economic conditions in combination with education about the relationship of lifestyle choices to cancer could further reduce the burden of cancer among African Americans." About 36 million Americans describe themselves as black, representing about 12 percent of the population.
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单选题Newborn babies can discriminate between a man"s and a woman"s voice.
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单选题Every week the magazine presents the profile of a well-known sports personality.
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单选题The caliber of F. Scott Fitzgerald"s writing was reassessed by literary critics in the 1950"s.
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单选题Our public transportation is not sufficient for the need of the people in our major cities.
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单选题There were around two and a half hours between the time the Titanic rammed into the iceberg and its fatal submersion. In this time 705 people were loaded into the twenty lifeboats. There were 473 empty seats available off lifeboats while over 1,500 people drowned. These figures raise two important issues. Firstly, why there were not enough lifeboats to seat every passenger and crew members on board. And secondly, why the lifeboats were not full. How many people could all the lifeboats hold?A. 705B. 473C. 1,178D. 1,500
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单选题 下面有3篇短文,每篇短文后有5道题,每道题后面有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}}Attitudes to AIDS Now{{/B}} Most people say that the USA is making progress in fighting AIDS. But they don't know there's no cure and strongly disagree that "the AIDS epidemic is over." The findings, released Thursday by the Kaiser Family Foundation, reassure activists who have worried that public concern about AIDS might disappear in light of recent news about advances in treatment and declines in deaths. "While people are very optimistic about the advances, they're still realistic about the fact that there is no cure," says Sophia Chang, director of HIV programs at the foundation. The Kaiser survey, like a recent USA today Gallup Poll, does find that the number of people ranking AIDS as the country's top health problem has fallen. In the Kaiser poll, 38% say it's the topconcern, down from 44 % in a 1996 poll; in the Gallup Poll, 29 % say AIDS is N0.1, down from I 41% in 1992and67% in 1987. Other findings from Kaiser, which polled more than 1,200 adults in September and October and asked additional questions of another 1,000 adults in November.. 52% say the country is making progress against AIDS; up from 32% in 1995. 51% say the government spends too little on AIDS. 86 % correctly say AIDS drugs can now lengthen lives: an equal number correctly say that the drugs are not cures. 67% incorrectly say that AIDS deaths increased or stayed the same in the past year; 24% know deaths fell. Daniel Zingale, director of AIDS Action Council, says, "I'm encouraged that the American people are getting the message that the AIDS epidemic isn't over. I hope the decision-makers in Washington are getting the same message...We have seen signs of complacency." Epidemic n.流行病; (流行病的)流行,传播 Reassure vt.向.......一再保证,安慰,使放心,使消除疑虑. Poll n.民意测验,民意测验结果 Complacency n.自满(情绪),沾沾自喜;满足,满意
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单选题Mary has {{U}}blended{{/U}} the ingredients.
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