2. 外语
  3. If you want to stay young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say t

If you want to stay young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say t

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问题    If you want to stay 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 exercises — and as a result, we are aging unnecessarily soon.
   Professor Taiju Matsuzawa wanted to find out why【C1】______healthy farmers in northern Japan appeared to he losing their ability to【C2】______and reason at a relatively early age, and how the process of【C3】______could be slowed down.
   With a team of【C4】______at Tokyo National University, he set【C5】______measuring brain volumes of a thousand people of different ages and【C6】______occupations.
   Computer technology【C7】______the researchers to obtain precise measurements of the【C8】______of the front and side sections of the brain,【C9】______relate to intellect and emotion, and determine the human character.(The【C10】______section of the brain, which controls【C11】______like eating and breathing, does not【C12】______with age, and one can continue living without intellectual or emotional【C13】______.)
   Contraction of front and side parts — as cells die【C14】______— was observed in some【C15】______in their thirties, but it was still not【C16】______in some sixty-and seventy-year-olds.
   Matsuzawa【C17】______from his tests that there is a simple【C18】______to the contraction normally【C19】______with age —【C20】______the head.
【C5】
选项 A、up
B、to
C、out
D、about
答案D
解析 这是一个词组意思区别题目。set about表示“开始，着手”，后面接动名词，符合题意。应选D。set out表示“出发、动身”，当它作“打算、试图”意思时，一般接动词不定式，即说成“set out to do sth．”。set up表示“竖立，升高”。set to的意思是“开始起劲地干，开始狼吞虎咽地吃”，是一个副词性短语，不修饰其他词语，比如说“We all set to and got the place cleaned up in no time”。
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