2. 外语
  3. It may come as a surprise to many an exhausted mother or father—but thinking about your children could improve your memory, a st

It may come as a surprise to many an exhausted mother or father—but thinking about your children could improve your memory, a st

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问题          It may come as a surprise to many an exhausted mother or father—but thinking about your children could improve your memory, a study suggests.
         Researchers【C1】__________that when thinking about raising children, an adult’s memory "goes up a gear". It seems that the【C2】__________ necessity to protect children helps our brains to store information we would otherwise forget.
         Researchers at Binghamton University, New York carried out a series of tests to see if thinking about bringing up children improved one’s sense of【C3】__________and found that it did- Ralph Miller, a psychology professor said, "Our ability to think and memorize information arises from our nervous systems. As our nervous systems are a product of【C4】__________and past experiences, one can【C5】__________expect that how well we memorize information today is【C6】__________ by natural selection that occurred among our ancestors long ago."
         Professor Miller and his colleagues tested the theory by asking【C7】__________to imagine they were living in the ancient grasslands of Africa, and to remember a series of words such as rock, apple, ball and stick. They were asked to rate the relevance of each item to how much use it was to their survival. When presented with a【C8】__________that involved raising children they remembered many more of the words. But in another situation—a task involving finding a mate— the memory was not so good.
         The researchers said that while both activities【C9】__________to survival, our prehistoric ancestors may not have realized that mating could result in children because of the nine months between mating and【C10】__________. This research demonstrates that our genes not only have an impact on our anatomy(解剖构造) and physiology, but also on the ways in which we think.
A) biological
B) birth
C) claim
D) consequent
E) evolution
F) influenced
G) objected
H) premier
I) reasonably
J) recall
K) relate
L) reverse
M) scenario
N) simply
O) subjects
【C8】
选项
答案M
解析 名词辨析题。本空前有不定冠词a，因此应填入可数名词的单数形式。空格所在句与下一句分别介绍了实验的两种情况：当受试者面临涉及抚养孩子的________，时能记住更多单词，而在另一种情形下记忆力就不是很好。由此可知，受试者面临两种不同的情形，空格处应填入situation的近义词，因此本题答案为scenario。
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