2. 外语
  3. A. hardly B. chemistry C. virtually D. counterparts E. tested F. geometry G. comfort

A. hardly B. chemistry C. virtually D. counterparts E. tested F. geometry G. comfort

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问题     A. hardly        B. chemistry        C. virtually        D. counterparts        E. tested
    F. geometry      G. comfort          H. less             I. instinct            J. inherently
    K. belief        L. settle           M. reached          N. gained              O. distinct
    It is well known that teenage boys tend to do better at math than girls, that male high school students are more likely than their female【C1】________ to tackle advanced math courses like calculus, that virtually all the great mathematicians have been men.
    Are women born with【C2】________ mathematical ability? Or does society’s sexism slow their progress? In 1980, two Johns Hopkins University researchers tried to【C3】________ the eternal nature/ nurture debate. Julian Stanley and Camilla Benbow had【C4】________ 10,000 talented seventh- and eighth-graders between 1972 and 1979. Using the Scholastic Aptitude Test, in which math questions are meant to measure ability rather than knowledge, they discovered【C5】________ sex differences.
    While the verbal abilities of the males and females【C6】________ differed, boys twice as many as girls scored over 500 (on a scale of 200 to 800) on mathematical ability; at the 700 level, the ratio was 14 to 1. The conclusion: males have【C7】________ superior mathematical reasoning ability.
    Benbow and Stanley’s findings, which were published in "Science", disturbed some men and not a few women. Now there is【C8】________ for those people in a new study from the University of Chicago that suggests math is not, after all, a natural male domain. Prof. Zalman Usiskin studied 1,366 tenth graders. They were selected from【C9】________ classes and tested on their ability to solve geometry proofs, a subject requiring both abstract reasoning and spatial ability. The conclusion【C10】________ by Usiskin: there are no sex differences in math ability.
【C5】
选项
答案O
解析 空格填入形容词修饰sex differences“性别差异”。由下文的at the 700 level，the ratio—was 14 to 1(而在高于700分的人群中，男女生比例拉大到了14：1)，可看出男女生的数学能力有着明显差别。备选形容词中的distinct“明显的”符合要求。instinct“直觉”为形近干扰，将之代入空格，句意不通，可排除。
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