【问题】 Have a Good ThinkYou want to keep young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say that most of our brains are not getting enough exercise, and as a result, we are getting old soon.Professor Taiju

Have a Good ThinkYou want to keep young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say that most of our brains are not getting enough exercise, and as a result, we are getting old soon.Professor Taiju Matsuzawa at Tokyo National University wanted to find out why quite healthy farmers in northern Japan appeared to be losing their ability to think and reason at a rather early age, and how the speed of getting old could be slowed down. With a team of researcher, he set about measuring brain volumes of a thousand people of different ages and different jobs.Computer technology enabled the researched to get most exact measurements ofthe volume of the front and side parts of the brain, which have something to do with intellect and feeing, and decide the human character. As we all know, the back part of the brain, which controls tasks like eating and breathing, does not contract with age.Contraction of front and side parts----as cells die off----seen 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 way to prevent the contraction----using the head.The findings show that contraction of the brain begins sooner in people in the country than in the towns. “Those with least possibility,” said Matsuzawa, “are lawyers, followed by university professors and doctors. White collar workers doing the same work day after day in government offices are, however, as likely to have contracting brain as farm workers, bus drivers and shop assistants”.（26 / 30）单选题（2分）正确答案 A我的答案 A评分 2分The team of doctors wanted to find out__________. ( )Awhy some people age sooner than othersBwhat kind of people are very cleverCthe size of some people’s brainDhow to make people live longer

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