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
【C9】
选项
答案K
解析 动词辨析题。空格所在的while引导的从句中有主语both activities和宾语to survival，因此应填入动词作从句的谓语。空格所在从句大意为，尽管两项活动都________生存。both activities指的是上一段中受试者面临的两种情形——抚养孩子和寻找配偶，而这两件事都与生存相关，因此本空应填入含有“关联，相关”含义的动词，故答案为K)relate。
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