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  3. New research conducted by brain researcher Avi Karni of the University of Ha

New research conducted by brain researcher Avi Karni of the University of Ha

游客2023-07-18  29
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. " [br] 【C14】
选项 A、weak
B、sleepy
C、aware
D、awake
答案 D
解析 形容词辨义题。从much faster than 可判断该处是在做对比，所以应选择一个与sleep in the after noon在意思上相对的词，即awake“醒着的”。weak意为“虚弱的”，与原文无关联；sleepy意为“困的，想睡的”，与该句前半句构不成对比关系；aware意为“意识到的，知道的”，不符合句意。
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