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The Men and Women of the University Living a Ratio Margin in American The prospects for women who are scientists and enginee

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问题         The Men and Women of the University Living a Ratio Margin in American
    The prospects for women who are scientists and engineers at major research universities have improved, although women continue to face unfair treatment in salary and access to some other resources. A pane! of the National Research Council concludes in a new report. In recent years "men and women faculty in science, engineering and mathematics have enjoyed comparable opportunities" , said the report. It found that women who applied for university jobs and,once they had them, for promotion and tenure were at least as likely to succeed as men.
    In another report, The Proceedings of the National Academy of Sciences, researchers at the University of Wisconsin who reviewed a variety of studies concluded that the achievement gap between boys and girls in mathematics performance had narrowed to the vanishing point. Although girls are still of a smaller number in the ranks of young math prodigies, they said, that gap is narrowing. The researchers said this and other circumstances provide abundant evidence for the impact of social, cultural and other environmental factors on the development of mathematical skills of different genders.
    The research council, an arm of the National Academy of Sciences, gathered its expert panel at the request of Congress. The panel surveyed six disciplines—biolociy chemistry, mathematics, civil and electrical engineering, and physics—and based its analysis on interviews with faculty members at 89 institutions and data from federal agencies, professional societies and other sources. The panel was led by Claude R. Canizares, a physicist who is vice president for research at the Massachusetts Institute of Technology, and Dr. Sally E. Shaywitz of the Yale School of Medicine, an expert on learning.
    The Wisconsin researchers, Janet S. Hyde and Janet E. Mertz, studied data from 10 states collected in tests authorized by the No Child Left Behind Act as well as data from the National Assessment of Educational Progress, a federal testing program. Differences between girls’ and boys’ performance in the 10 states were "close to zero in all grades", they said, even in high schools where gaps had existed earlier. In the national assessment, they said, differences between girls’ and boys’ performance were "trivial".
What can we infer from the last paragraph?
选项 A、Data from 10 states are not as accurate as those from the national tests.
B、Neither gender nor age affects students’ performance in mathematics.
C、People expect to see gaps between girls’ and boys’ performance in high school.
D、Different tests show different results concerning students’ performance.
答案B
解析 推理判断题。由题干中的last paragraph定位到第四段。本段主要给出了威斯康辛大学研究人员的研究成果，证明在数学方面，不管是在各个州，还是在全国范围内，各个年级中男孩和女孩的表现差别都非常小。由此可知，[B]“年龄和性别对于学生在数学方面的表现都没什么影响”为正确答案。本段第二句说十个州的数据显示男女数学方面差异几乎为零，第三句说全国范围内的差距也无足轻重，因此[A]“十个州的数据不如全国范围的数据精确”错误，故排除；同样，因为十个州的数据和全国的数据呈现出的结果相同，所以，排除[D]。本段第二句说以前，高中时期男女生差异比较大，并没有说人们也期待着现在也能够发现比较大的差异，所以排除[C]。
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