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  3. How to Stay Young If you want to stay young, sit down and have a good think. This is the research finding by a team of Japan

How to Stay Young If you want to stay young, sit down and have a good think. This is the research finding by a team of Japan

admin2011-01-05  70
问题                      How to Stay Young
    If you want to stay young, sit down and have a good think. This is the research finding by a team of Japanese doctors, who say that most of our brains are not getting enough exercises, and as a result, we are ageing unnecessarily soon.
    Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age, and how the process of ageing could be slowed down.
    With a team of colleagues at Tokyo National University, he set about measuring brain volumes of a thousand people of different ages and varying occupations.
    Computer technology enabled the researchers to obtain precise measurement of the volumes of the front and side sections of the brain, which are related to intellect and emotion, and determine the human character. (The rear section of the brain, which controls functions like eating and breathing, does not contract with age, and one can continue living without intellectual or emotional faculties.)
    Contraction of front and side part-as cells die off-was observed in some subjects in their thirties, but it was still not evident in some sixty and seventy-year-olds.
    Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age: using the head.
    The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns. Those least at risk, says Matsuzawa, are lawyers, followed by university professors and doctors. White collar workers doing routine work in government offices are, however, as likely to have shrinking brains as the farm worker, bus driver and shop assistant.
Matsuzawa’s findings show that thinking can prevent the brain from shrinking. Blood must circulate properly in the head to supply the fresh oxygen the brain cells need. "The best way to maintain good blood circulation is using the brain, " he says. "Think hard and engage in conversation. Don’t rely on pocket calculators. "  
The team of doctors wanted to find out______.
选项 A、why certain people age sooner than others
B、how to make people live longer
C、the size of certain people’s brains
D、which people are most intelligent
答案A
解析 本题考查考生把握细节的能力。考的是医生做实验的目的。答案的线索在第二段。文章一开始就指出，若要保持青春的活力，就应该多动脑筋思考问题。这一结论是一组日本医生的研究结果。第二段继而讲述了国立东京大学的教授们为了弄清日本北部的一些很健康的农民还未衰老之前就开始失去思维和推理能力的原因以及如何才能延缓老化过程，测量了1000名不同年龄和职业的人的大脑。这里选项A中的certain people指的是healthy farmers in northern Japan所以正确答案是A。
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