单选题 阅读下面这篇短文，短文后列出7个句子，请根据短文的内容对每个句子做出判断。 {{B}}Why do people become too fat{{/B}} It is indeed unfortunate that in our modern era of technologic and scientific achievement, there is no adequate explanation for a seemingly simple question: "why do people become too fat and what can be done to prevent it?" about 50 million men and 60 million women between the ages of 18 and 79 are "too fat" and need to reduce excess weight. This amount to about 377 million kg of excess fat for men and 667 million kg for women, or a total of t044 million kg (2297 million 1b) for the United States adult population! If the overfat men and women dieted by consuming 600 fewer calories each day to reduce to a "normal" value of body fat (achievable in 68 days for men and 101 days for women), the reduced caloric intake would equal 5.7 trilling calories. Translating this into fossil fuel energy and considering such factors as the energy required to plant, cultivate, harvest, feed, process, transport, wholesale, retail, acquire, store and cook the food, the annual energy savings would be equal to that required to supply the residential electric demands of Boston, Chicago, san Francisco and Washington DC, or 13 billion gallons of gasoline to fuel 900,000 autos per year. Until recently, the major cause of obesity was believed to be overeating. However, if gluttony (贪食) and overindulgence were the only factors associated with an increase in body fat, the easiest way to permanently reduce would surely to be cut back on food. Of course, if it were that simple, obesity would soon be eliminated as a major health problem. There are obviously other factors operative such as genetic, environmental, and social influences. However, these causes probably overlap. It seems fairly certain that the treatment procedures devised so far, whether they be diets, surgery, drugs, psychologic methods, or exercise, either alone or in combination, have not been particularly successful in solving the problem on a long-term basis. There is nonetheless, optimism that as researchers continue to investigate the many facets of. obesity, as well as to test and quantify various treatment modes, significant progress can be made to conquer this major health problem.

单选题Traffic in Our Cities The volume of traffic in many cities in the world today continues to expand. This causes many problems, including serious air pollution, lengthy delays, and the greater risk 1 accidents. Clearly, something must be done, but it is often difficult to 2 people to change their habits and leave their cars at home. One possible 3 is to make it more expensive for people to use their cars by 4 charges for parking and 5 tougher fines for anyone who 6 the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system, 7 as "road pricing", is already being introduced in a 8 of cities, using a special electronic card 9 to the windscreen of the car. Another way of 10 with the problem is to provide cheap parking on the 11 of the city, and strictly control the number of vehicles allowed into the centre. Drivers and their passengers then use a special bus service for the 12 stage of their journey. Of course, the most important 13 is to provide good public transport. However, to get people to 14 the comfort of their cars, public transport must be felt to be reliable, convenient and comfortable, with fares 15 at an acceptable level.

单选题Which of the following factors was ultimately responsible for bringing down the civilization of ancient Egypt?

单选题New U.S. Plan for Disease Prevention Urging Americans to 1 responsibility for their health, Health and Human Services Secretary Tommy Thompson 2 Tuesday launched a $15 million program to try to 3 communities to do more to prevent chronic diseases like heart disease, cancer and diabetes. The initiative highlights the cost of chronic diseases—the leading causes of death in the United States— and outlines ways that people can 4 them, including better diet and increased exercise. "In the United States today, 7 of 10 deaths and the vast majority of 5 illness, disability and health care costs are 6 by chronic diseases," the Health and Human Services Department said in a statement. The causes are often 7 —smoking, poor eating habits and a lack of exercise. "I am 8 that preventing disease by promoting better health is a smart policy choice for our future," Thompson told at a conference held to launch the initiative. "Our current health care system is not structured to 9 with the escalating costs of treating diseases that are largely preventable through changes in our lifestyle choices." Thompson said heart disease and strokes will cost the country more than $351 billion in 2003. "These leading causes of death for men and women are largely 10 , yet we as a nation are not taking the steps necessary for us to lead healthier, longer lives," he said. The $15 million is 11 to go to communities to promote prevention, pushing for changes as simple as building sidewalks to encourage people to walk more. 12 exercise such as walking can prevent and even 13 heart disease and diabetes, and prevent cancer and strokes. The money will also go to community organizations, clinics and nutritionists who are being encouraged to work together to educate people at 14 of diabetes about what they can do to prevent it and encourage more cancer screening. The American Cancer Society 15 that half of all cancers can be caught by screening, including Pap tests for cervical (子宫颈的) cancer, mammograms (乳房X射线照片) for breast cancer, colonoscopies (结肠镜检查), and prostate (前列腺的) cheeks. If such cancers were all caught by early screening, the group estimates that the survival rate for cancer would rise to 95 percent.

单选题Our New York branch is dealing with the matter. ______

单选题The {{U}}dominant{{/U}} theme in the music is of tranquility and peacefulness.

单选题Can you {{U}}follow{{/U}} the plot? A. change B. investigate C. write D. understand

单选题I seldom watch TV.

单选题 Passive Smoking is Workplace Killer Pressure mounted on Britain on Monday to take action on {{U}} {{U}} 1 {{/U}} {{/U}}smoking with new research showing second-hand smoke {{U}} {{U}} 2 {{/U}} {{/U}}about one worker each week in the hospitality industry. Professor Konrad Jamrozik, of Imperial College in London, told a conference on environmental tobacco that second-hand {{U}} {{U}} 3 {{/U}} {{/U}}kills 49 employees in pubs, bars, restaurants and hotels each year and contributes to 700 deaths from lung cancer, heart {{U}} {{U}} 4 {{/U}} {{/U}}and stroke across the total national work force. "Exposure in the hospitality {{U}} {{U}} 5 {{/U}} {{/U}}at work outweighs the consequences of exposure of living {{U}} {{U}} 6 {{/U}} {{/U}}a smoker for those staff," Jamrozik said in an interview. Other {{U}} {{U}} 7 {{/U}} {{/U}}have measured the levels of exposure to passive smoking hut Jamrozik calculated how it would translate into avoidable deaths. His findings are {{U}} {{U}} 8 {{/U}} {{/U}}on the number of people working in the hospitality industry in Britain, their exposure to second-hand smoke and their {{U}} {{U}} 9 {{/U}} {{/U}}of dying from it. Jamrozik said the findings would apply to {{U}} {{U}} 10 {{/U}} {{/U}}countries in Europe because, to a greater or {{U}} {{U}} 11 {{/U}} {{/U}}extent, levels of smoking in the community are similar. Professor Carol Black, president of the Royal College of Physicians, which sponsored the meeting said the research is proof of the need for a ban on smoking in {{U}} {{U}} 12 {{/U}} {{/U}}places. "Environmental tobacco smoke in pubs, bars, restaurants and other public places is {{U}} {{U}} 13 {{/U}} {{/U}}damaging to the health of employees as well as the general public." she said in a statement. "Making these places smoke-free not only protects vulnerable staff and the public. It will {{U}} {{U}} 14 {{/U}} {{/U}}help over 300,000 people in Britain to stop smoking completely." she added. Ireland recently became the first country to introduce a national ban on smoking in public {{U}} {{U}} 15 {{/U}} {{/U}}. New York and parts of Australia have taken similar measures.

单选题You should soon regain your appetite. A. keep B. lose C. recover D. get

单选题In the end, both attacks and defenses of the free market and conventional economics have immense philosophical implications.

单选题He is renowned for his skill.

单选题I tried to detach myself from the reality of these terrible events.

单选题It is obvious that he will win the game.

单选题My father has been on the {{U}}salary schedule{{/U}} in this factory for nearly 20 years. A. pay packet B. payoff C. payroll D. payment

单选题She"s very ingenious when it comes to finding excuses.

单选题下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。 Sending E-mails to Professors One student skipped class and then sent the professor an E-mail{{U}} (51) {{/U}}for copies of her teaching notes. Another{{U}} (52) {{/U}}that she was late for a Monday class because she was recovering from drinking too much at a wild weekend party. At colleges and universities in the US, E-mail has made professors more approachable (平易近人). But many say it has made them too accessible,{{U}} (53) {{/U}} boundaries that traditionally kept students at a healthy distance. These days, professors say, students seem to view them as available{{U}} (54) {{/U}}the clock, sending a steady stream of informal E-mails. "The tone that they take in E-mails is pretty astounding (令人吃惊的)," said Michael Kessler, an assistant dean at Georgetown University. "They'll{{U}} (55) {{/U}}you to help: 'I need to know this.'" "There's a fine{{U}} (56) {{/U}}between meeting their needs and at the same time maintaining a level of legitimacy (正统性) as an{{U}} (57) {{/U}}who is in charge." Christopher Dede, a professor at the Harvard Graduate School of Education, said{{U}} (58) {{/U}} show that students no longer defer to (听从) their professors, perhaps because they realize that professors' {{U}}(59) {{/U}}could rapidly become outdated. "The deference was driven by the{{U}} (60) {{/U}}that professors were all-knowing sources of deep knowledge," Dede said, and that notion has{{U}} (61) {{/U}}. For junior faculty members, E-mails bring new tension into their work, some say, as they struggle with how to{{U}} (62) {{/U}}. Their job prospects, they realize, may rest in part on student evaluations of their accessibility. College students say E-mail makes{{U}} (63) {{/U}}easier to ask questions and helps them learn. But they seem unaware that what they write in E-mails could have negative effects{{U}} (64) {{/U}}them, said Alexandra Lahav, an associate professor of Law at the University of Connecticut. She recalled an E-mail message from a student saying that he planned to miss class so he could play with his son. Professor Lahav did not respond. "Such E-mails can have consequences," she said. "Students don't understand that{{U}} (65) {{/U}} they say in E-mail can make them seem unprofessional and could result in a bad recommendation."

单选题He expressed concern that the ship might be in distress .

单选题Stage Fright Fall down as you come onstage. That"s an odd trick. Not recommended. But it saved the pianist Vladimir Feltsman when he was a teenager back in Moscow. The veteran cellist Mstislav Rostropovich tripped him purposely to cure him of pre-performance panic. Mr. Feltsman said, "All my fright was gone. I already fell. What else could happen?" Today, music schools are addressing the problem of anxiety in classes that deal with performance techniques and career preparation. There are a variety of strategies that musicians can learn to fight stage fright and its symptoms: icy fingers, shaky limbs, racing heart, blank mind. Teachers and psychologists offer wide-ranging advice, from basics like learning pieces inside out, to mental discipline, such as visualizing a performance and taking steps to relax. Don"t deny that you"re jittery, they urge; some excitement is natural, even necessary for dynamic playing. And play in public often, simply for the experience. Psychotherapist Diane Nichols suggests some strategies for the moments before performance. "Take two deep abdominal breaths, open up your shoulders, then smile," she says. "And not one of these "please don"t kill me" smiles. Then choose three friendly faces in the audience, people you would communicate with and make music to, and make eye contact with them." She doesn"t want performers to think of the audience as a judge. Extreme demands by mentors or parents are often at the root of stage fright, says Dorothy Delay, a well-known violin teacher. She tells other teachers to demand only what their students are able to achieve. When Lynn Harrell was 20, he became the principal cellist of the Cleveland Orchestra, and he suffered extreme stage fright. "There were times when I got so nervous. I was sure the audience could see my chest responding to the throbbing. It was just total panic. I came to a point where I thought, "If I have to go through this to play music, I think I"m going to look for another job." Recovery, he said, involved developing humility—recognizing that whatever his talent, he was fallible, and that an imperfect concert was not a disaster. It is not only young artists who suffer, of course. The legendary pianist Vladimir Horowitz"s nerves were famous. The great tenor Franco Corelli is another example. "They had to push him on stage," Soprano Renata Scotto recalled. Actually, success can make things worse. "In the beginning of your career, when you"re scared to death, nobody knows who you are, and they don"t have any expectations," Soprano June Anderson said. "There"s less to lose. Later on, when you"re known, people are coming to see you, and they have certain expectations. You have a lot to lose." Anderson added, "I never stop being nervous until I"ve sung my last note."

单选题She moves from one exotic location to another.