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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2024-02-19  34
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] 【C8】
选项 A、forbade
B、ordered
C、instructed
D、forced
答案 C
解析 动词辨义题。participants to learn a complex thumb-trapping sequence“研究参与者学习一套复杂的拇指操”。因本句主语为研究人员Karni，故从Karni的角度讲应该是“指导”参与者们学习拇指操。所以应选择instruct sb to do sth.“指导某人做某事”的搭配。forbid意为“禁止”；order意为“命令”；force意为“强迫”，虽三者均可跟to引导的不定式，但意思上差别较大。作为研究人员Karni不会禁止、命令或强迫参与者做什么，故排除。
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