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  3. New research conducted by brain researcher Avi Karni of the University of Haifa in Israel explores the possibility that naps hel

New research conducted by brain researcher Avi Karni of the University of Haifa in Israel explores the possibility that naps hel

admin2012-09-19  87
问题     New research conducted by brain researcher Avi Karni of the University of Haifa in Israel explores the possibility that naps help lock in sometimes fleeting long-term memories. A 90-minute daytime【C1】______. might help the most, the study finds.
    "We still don’t know the【C2】______mechanism of the memory process that occurs during sleep, but the【C3】______of this research suggest it is possible to【C4】______up memory consolidation," Karni said.
    Long-term memory【C5】______to  memories that stay with us for years, such as "what" memories -- a car accident that happened yesterday -- or " how to " memories, such as one’s learned【C6】______to play the drums.
    Karni, who【C7】______the study in a recent issue of the journal Nature Neuroscience,【C8】______participants to learn a complex thumb-tapping sequence, then【C9】______the study subjects into two groups: one that【C10】______for an hour, and one that didn’t. The people who took an afternoon snooze showed【C11】______improvement in their performance by that evening.
    "After a night’s sleep the two groups were at the same【C12】______, but the group that slept in the afternoon【C13】______much faster than the group that stayed【C14】______," Karni said.
【C15】______, the study also showed just how much【C16】______a 90-minute nap could help lock in long-term memories.
    "Daytime sleep can【C17】______the time ’how to’ memory becomes【C18】______to interference and forgetting," Karnl said. "【C19】______of 6 to 8 hours, the brain【C20】______the memory during the 90-minute nap. "
【C20】
选项 A、abandoned
B、modified
C、forgot
D、consolidated
答案D
解析 动词辨义题。第二段有明显提示but the results of this research suggest it is possible to speed up memory consolidation。此处意在说明90分钟的小睡就可以达到巩固记忆的作用。故应选择consolidation的动词形式consolidate。abandon意为“丢弃，抛弃”，与原文意思不符；modify意为“修改”，“大脑修改记忆”说不通；forget意为“忘记”，忘记事情的时间是不可计算的，故不符合文章意思，可排除。
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