全国职称英语考试 卫生类C级 阅读理解押题 孙伟.doc
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1、 卫生类阅读重点文章孙老师特别提示:本文在下列国家教材中同时出现。第16篇Eat to Live 卫生C新增文章(押题)第25篇 理工B第39篇 综合A孙老师特别提示:卫生c今年阅读没有新增文章,押题也就变成了猜题,极不靠普,请大家做好无原题或押不中的准备!2013年卫生阅读押题情况没押中,但用神表解题非常简单共1篇文章 第十六篇Eat to Live卫生C新增文章(押题) 第13课 (补充练习)阅读理解课文 Late-night Drinking 在专业第20课中已做讲评 2013 原卷模拟考试与讲评(1)机会只给有准备的人。Opportunities are only for the pr
2、epared person. 共1篇文章 Eat to LiveA meager diet may give you health and long life, but its not much funand it might not even be necessary. We may be able to hang on to most of that youthful vigor even if we dont start to diet until old age. Stephen Spindler and his colleagues from the University of Ca
3、lifornia at Riverside have found that some of an elderly mouses 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 wont reverse other damage caused by time for the mouse, but could help its liver metabolize drug
4、s or get rid of toxins. Spindlers 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 oldequivalent to about 70 human years. The researchers checked the ac
5、tivity 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 productionprobably bad news for mouse health. In the mice that had dieted all their lives, 27 of those 46 genes contin
6、ued 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 per cent of these gene changes. “This is the first indication that thee effects kick in pretty quickly,” says Huber Warner from the National Institute on Agin
7、g near Washington, D. C. No one yet knows if calorie restriction works in people as it does in mice, bus Spindler is hopeful. “Theres 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 o
8、lder, out 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 isnt sure the trade-off is worth it. “The mice get less disease, they live longer but theyre hungry,” he says. “Eve
9、n seeing what a diet does, its still hard to go to a restaurant and say: I can only eat half of that.” Spindler hopes we soon wont need to diet at all. His company, Life Span Genetics in California, is looking for drugs that have the effects of calorie restriction.练习:1. According to the passage, whi
10、ch 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.2. Why does the author mention an elderly mouse in paragraph 2?A. To describe the influenc
11、e of old age on mice.B. To illustrate the effect of meager food on mice.C. To tell us how mices liver genes behave. D. To inform us of the process of metabolizing drugs.3. What can be inferred about completely normally fed mice mentioned in the passage?A. They will not experience free radical produc
12、tion.B. They will experience more genetic rejuvenation in their lifetime.C. They have more old liver genes to behave like young genes.D. They are more likely to suffer from inflammation.4. According to the author, which of the following most interested the researchers?A. The mice that started dietin
13、g in old age.B. 27 of those 46 old genes that continued to behave like young genes.C. Calorie restriction that works in people.D. Dieting that makes sure a drug is effective.5. According to the last two paragraphs, Spindler believes thatA. calorie restriction is very important to young peopleB. seei
14、ng the effect of a diet, people will eat less than normal.C. dieting is not a good method to give us health and long life.D. drugs do not have the effects of calorie restriction. Eat to Live 为生存而食 本文中心:A meager不足的 diet节食A meager不足的diet节食may give you health and long life, but its not much fun娱乐 and i
15、t might not even be necessary. We may be able to hang on to保持住most of that youthful vigor活力 even if we dont start to diet until old age.粗茶淡饭或许能给你健康和长寿,但这并不有趣-很有可能也没必要。即便在年老以后才 开始节食我们也能在很大程度上保持住青春活力。Stephen Spindler and his colleagues from the University of California at Riverside have found that som
16、e of an elderly mouses liver genes can be made to behave as they did when the mouse was young simply by limiting限制 its food for four weeks. The genetic rejuvenation wont reverse other damage caused by time for the mouse, but could help its liver metabolize drugs or get rid of toxins.加州大学Riverside分校的
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