2. 外语
  3. A. hardly B. chemistry C. virtually D. counterparts E. tested F. geometry G. comfort H. less I. instinct J. inherently K

A. hardly B. chemistry C. virtually D. counterparts E. tested F. geometry G. comfort H. less I. instinct J. inherently K

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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.
【C10】
选项
答案M
解析 空格后的by Usiskin提示空格处应填入动词的过去分词作后置定语，修饰The conclusion。词库中的reached与conclusion搭配，表示“得出结论”，句意通顺，符合逻辑故选M。
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