2. 外语
  3. A special lab at the University of Chicago is busy only【C1】______It is a dream【C2】______where researchers are at work【C3】______d

A special lab at the University of Chicago is busy only【C1】______It is a dream【C2】______where researchers are at work【C3】______d

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问题    A special lab at the University of Chicago is busy only【C1】______It is a dream【C2】______where researchers are at work【C3】______dreamers. Their findings have concluded that【C4】______dreams from three to seven times each night,【C5】______in ordinary life a person may【C6】______none or only one of his dreams.
   While the【C7】______sleep, special machines【C8】______their brain waves and eye movements as well as the body movements that【C9】______the end of a dream. Surprisingly, all subjects【C10】______soundly.
【C11】______say that a person usually fidgets(烦躁)before a dream.【C12】______the dream has started, his body relaxes and his eyes【C13】______more active, as if the curtain【C14】______on a show. When the machine【C15】______that the dream is over, a buzzer wakes the【C16】______. He sits up, records his dream, and goes back to sleep—perhaps to【C17】______some more.
   Researchers have found that if the dreamer, is【C18】______immediately after his dream, he can usually  recall the entire dream. If he is allowed to sleep even【C19】______his【C20】______of the dream will have faded. That’ s why most people have many dreams at night, but forget most of them in the morning.
【C14】
选项 A、had gone up
B、has gone up
C、goes up
D、is going up
答案B
解析 此题考查的是时态，通篇用的都是现在时。这里是指“帷幕已经拉开，演出即将开始”，故用现在完成时。
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