2. 外语
  3. There are two factors which determine an individual’s intelligence. The first is the sort of brain he is born【C1】______. Human b

There are two factors which determine an individual’s intelligence. The first is the sort of brain he is born【C1】______. Human b

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问题     There are two factors which determine an individual’s intelligence. The first is the sort of brain he is born【C1】______. Human brains differ considerably,【C2】______being more capable than others.【C3】______no matter how good a brain he has to begin with, an individual will have a low order of intelligence unless he has【C4】______to learn. So the second factor is what【C5】______to the individual--the sort of environment in which he is brought【C6】______. If an individual is handicapped(受阻得)【C7】______, it is likely that his brain will【C8】______to develop and he will never【C9】______the level of intelligence of which he is【C10】______
    The importance of environment in determining an individual’s intelligence can be【C11】______by the case history of the【C12】______twins, Peter arid John. When the twins were three months old, their parents died, and they were placed in【C13】______fostered(寄养的)homes. Peter was【C14】______by parents of low intelligence in an【C15】______community with poor educational opportunities. John,【C16】______, was educated in the home of well to do parents who had been to college. This environmental【C17】______continued until the twins were【C18】______their late teens, when they were given tests to【C19】______their intelligence. John’s IQ(智商)was 125, twenty-five points higher than the【C20】______and fully forty points  higher  than  his  identical brother.
【C8】
选项 A、help
B、manage
C、fail
D、perform
答案C
解析 语义衔接题。结合前句，这里是说如果一个个体在环境中受阻，那么他的脑子就会停止发展并且他将永远达不到他本身能力所在的智力水平。从后面的never判断，这里是对develop的否定，因此选项C符合题意，即停止(发展)。
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大学英语四级

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