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.
【C2】

选项 A、claim
B、article
C、statement
D、lecture

答案B

解析 本题要求填入一个名词作主语,从该句的谓语动词is published(被发表)和修饰该题的定语on their research(有关他们研究的)分析,能够构成语意上合理搭配的名词是B项article(文章),正确答案应为B。其他选项中,claim意为“声称”,指没有证据的说法;statement意为“陈述”,lecture意为“讲座",两者均不能发表在《科学》这样的学术杂志上。
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