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  3. Few scientific fields are as full of risk as that of research into human intelligence. The two questions that【1】over and over a

Few scientific fields are as full of risk as that of research into human intelligence. The two questions that【1】over and over a

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问题     Few scientific fields are as full of risk as that of research into human intelligence.  The two questions that【1】over and over again are "is it a result of nature or nurture?" and "does race make a difference?"
    Making【2】comments about the second question can be a【3】move, as James Watson, a co-discoverer of DNA structure, recently found. He suggested that he was "【4】about the prospect of Africa"【5】"all our social policies are based on the fact that their intelligence is the same as ours (white people) 【6】all the testing says not really". Such【7】are not merely【8】, they are scientifically weird. If the term race has any useful scientific meaning, then Africa, the continent where modern【9】began, is most racially diverse. The resulting【10】forced Dr Watson to leave his laboratory.
    【11】, the study of【12】between intelligence and genetics has some wiser practitioners. One of them, Terrie Moffitt, of King’s College, has just【13】a project【14】the relative importance of nature and nurture. Dr Moffitt’s team【15】the effect on intelligence of breastfeeding, but in a genetic context. Previous studies have shown that breastfed children are more intelligent,【16】about six IQ points, than those given baby formulas.
    The team, however,【17】the involvement of a gene called FADS2, which comes in two varieties, known as C and G. The researchers【18】if these two varieties【19】differently with breast milk.【20】on data two groups of people, they found that the intelligence increase associated with breastfeeding only happened to people having inherited at least one copy of the C variety. The effect did not depend on the social classes or IQs of the parents.
选项 A、prompt
B、hasty
C、general
D、stupid
答案D
解析 解答本题的关键是要根据后面的语义推断出Watson对第二个问题发表了什么样的评论，第一句是本段的总括句，接下来是对第一句内容的细节阐述，因此由第二段的中心意思以及第二段的末句“最终迫使Watson离开了实验室”可推断出，本题需填入的是一个贬义的形容词来修饰评论，比较四个选项，只有愚蠢的或不明智的评论符合文意，因此正确选项为D。
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