Passage Three
Throughout the nations more than 15,000 school districts, widely differing approaches to teaching science and math have emerged. Though there can be strength in diversity, a new international analysis suggests that this variability has instead contributed to lackluster achievement scores by U.S. children relative to their peers in other developed countries.
31. According to the passage, the teaching of science and math in America is _______.
[定位与替换] 本题问美国的科学和数学教学的状况。根据关键词teaching of science and math定位到原文第一段。选B) characterized by its diversity以多样性为特点。解题的重点在准确判断第一段所强调的内容。
[干扰项分析] A) focused on tapping students potential集中开发学生的潜力,文中无信息支持;C) losing its vitality gradually逐步失去活力,D) going downhill in recent years最近几年走下坡路,文章虽指出了美国的教育体系有缺陷,但并未说其失去活力或走下坡路,故不应选C、D。
Indeed, concludes William H. Schmidt of Michigan State University, who led the new analysis, no single intellectually coherent vision dominates U.S. educational practice in math or science. The reason, he said, is because the system is deeply and fundamentally flawed.
The new analysis, released this week by the National Science Foundation in Arlington, Va., is based on data collected from about 50 nations as part of the Third International Mathematics and Science Study.
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