The health seeking youths can following the（）of natural living.

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• What are the main threats to health in the modern society?

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• When the potential borrowers who are the most likely to default are the ones most actively seeking a loan, _________ is said to exist.

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• The areas of social, economic and environmental relate to people's health, according to the socio-ecological view of health.

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• The education of the youth is vitalto a country.

  useful helpful unnecessary important

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• Hemingway&39;s ______ are those who survive in the process of seeking to master the code with the honesty, the discipline, and the restraint.

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• A meager diet may give you health and long life, but it's not much fun—and it might not even be necessary. We may be able to hang on to most of that youthful vigor even if we don't start to diet until old age.

  Stephen Spindler and his colleagues from the University of California at Riverside have found that some of an elderly mouse's liver genes can be made to behave as they did when the mouse was young simply by limiting its food for four weeks. The genetic rejuvenation won't reverse other damage caused by time for the mouse, but could help its liver metabolize drugs or get rid of toxins. Spindler's team fed three mice a normal diet for their whole lives, and fed another three on half-rations. Three more mice were switched from the normal diet to half-feed for a month when they were 34 months old—equivalent to about 70 human years. The researchers checked the activity of 11,000 genes from the mouse livers, and found that 46 changed with age in the normally fed mice. The changes were associated with things like inflammation and free radical production—probably bad news for mouse health. In the mice that had dieted all their lives, 27 of those 46 genes continued to behave like young genes. But the most surprising finding was that the mice that only started dieting in old age also benefited from 70 percent of these gene changes. "This is the first indication that these effects kick in pretty quickly," says Huber Warner from the National Institute on Aging near Washington, D.C.. No one yet knows if calorie restriction works in people as it does in mice, but Spindler is hopeful. "There's attracting and tempting evidence out there that it will work," he says. If it does work in people, there might be good reasons for rejuvenating the liver. As we get older, our bodies are less efficient at metabolizing drugs, for example. A brief period of time of dieting, says Spindler, could be enough to make sure a drug is effective. But Spindler isn't sure the trade-off is worth it. "The mice get less disease, they live longer, but they're hungry," he says. "Even seeing what a diet does, it's still hard to go to a restaurant and say: 'I can only eat half of that'." Spindler hopes we soon won't need to diet at all. His company, Life Span Genetics in California, is looking for drugs that have the effects of calorie restriction. According to the passage, which of the following is NOT true？ A．Eating less than usual might make us live longer. B．If we go on a diet when old, we may keep healthy. C．Dieting might not be needed. ~ D．We have to begin dieting from childhood.

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• The education of the youth is vital to a country.

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• The search for eternal youth is no less fervent now than it was 2,000 years ago. People are trying practically anything.

  A．prolonged B．external C．protracted D．excessive

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• Why did the Guinean youths go on demonstration？

  A．To combat military intervention. B．To support the striking workers. C．To protest against the local media.

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• The other four countries provide better health care than the US.

  A．Right B．Wrong C．Not mentioned

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• Compared with their parents, the present youth are______.

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• The greatest health benefits of genomic research will come from insights into the basic biology of health and disease.

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• Although the"on line"life style. has dominated the majority of city youth, most people in the remote countryside still think Internet or something is_______ to their life.

  A．unconcerned B．irrelevant C．inseparable D．inaccessible

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• 听力原文： The head of the World Health Organization says important efforts are being made to fight the world' s serious health problems. But she says gains could be lost if countries around the world do not support new health programs.

  Gro Harlem Brundtland made her comments to the World Health Assembly in Geneva, Switzerland recently. She described a number of health programs expected in the coming years. However, Doctor Brundtland said the WHO' s 191 member countries must support the programs and put them into action. With this support, she said the WHO could reduce the number of deaths caused by malaria, AIDS, tuberculosis and other infectious diseases. She also said the death rate for pregnant women and babies could be reduced. Doctor Brundtland told W-H-O members that good health is linked to economic and social development. For example, she described how smoking tobacco threatens to reduce the resources of all countries, especially developing countries. The World Health Organization estimates that four million people die each year from diseases linked to smoking. The organization expects that number to rise to ten- million a year in the next thirty years. Most of these deaths are expected in developing countries. Which of the following infectious diseases is not mentioned in the report？ A．Malaria. B．Enteritis. C．AIDS. D．Tuberculosis.

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• Which of the following concepts are the harmony seeks（）

  A．Peace B．Compromise C．Concord D．Unison

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