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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
admin
2012-09-19
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. "
【C13】
选项
A、improved
B、impoverished
C、impressed
D、imposed
答案
A
解析
动词辨义题。前文说到睡了一夜后,两组研究对象记忆水平相当。但此处话锋一转,用but引导一个转折,即“午睡小组要比未午睡小组进步得快得多”。故此处应选择improve“改善,提高”。imply意为“说明,暗示”;impress意为“给……以深刻的印象”;impose意为“强加于”。四个词词形相近,但意思上有较大差别,熟记即可判断准确。
转载请注明原文地址:https://kaotiyun.com/show/zv57777K
0
大学英语四级
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