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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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2011-03-11
69
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、relationships
B、differences
C、links
D、contradictions
答案
C
解析
解答本题的要点是根据上文推断出研究者研究的是智力和基因之间的什么。本文在第一段以问题的形式点出了本文的主旨:智力是受自然环境还是养育环境的影响?由此可见,讨论智力和基因的关系是符合主旨意思的表达,而A选项和C选项,都有关系的意思,但relationship侧重指事物之间的相似性或一致性,link泛指事物间的关系、联系,文中只是在讨论基因和智力之间的关系,并没有明确地指出两者间有确定的联系,所以C选项比A选项的表达更贴近原文的主旨;另一方面,应注意,relationship没有复数形式。
转载请注明原文地址:https://kaotiyun.com/show/7np4777K
0
考研英语一
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