U. S. researchers suggest sleeping can help us remember things we have just learnt. A team from Northwestern University【C1】_____

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问题     U. S. researchers suggest sleeping can help us remember things we have just learnt. A team from Northwestern University【C1】______that a 90-minute nap(小睡)can help people learn a new skill. The【C2】______on their research is published in the June edition of the journal Nature. The scientists say: "Information acquired during waking can be reactivated(重新激活)during sleep,【C3】______memory stabilization. " Test volunteers practiced musical tunes before and after a short sleep.【C4】______the nap, the researchers played one of the tunes the volunteers had practiced. The team found that the participants made【C5】______errors when playing the tune that had been played while they slept.
    Study co-author Dr Pau J. Reuber points out the research might not work【C6】______learning a foreign language while you sleep. He said: "The critical【C7】______is that our research shows that memory is strengthened for something you’ve already learned. " He added: "Rather than learning something【C8】______in your sleep, we’re talking about enhancing an existing memory by reactivating information recently acquired. "【C9】______, Dr Reuber did say there were possibilities for language learners; "If you were learning【C10】______to speak in a foreign language during the day, for example, and then tried to reactivate those memories during sleep, perhaps you might enhance your learning," he said.
【C5】

选项 A、more
B、fewer
C、less
D、most

答案B

解析 本题要求填入一个修饰errors(错误)的形容词比较级形式。D项most(大多数),与句子意思不合,首先可排除。C项less修饰不可数名词,因此也可排除。由于本文开头部分已经指出了睡眠能帮助我们记忆我们刚学的东西,本段提到的这一有关志愿者演奏的测试结果是证据,因此可以确定正确答案是B项fewer(较少的),A项more与本段主题相矛盾。
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