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第一部分：阅读理解 A Tests administered(实施)to most elementary and high-school students in the United States exert(发挥)an unfavorable influence on science and math teaching，according to a new ＄1 million study performed for the National Science FoundationAnd because schools with high minority enrollments(入学)generally place a greater reliance(相信)on scores from these tests，the study finds，there tends to be “a gap in instructional emphases between high and low minority classrooms that differs from our national concern for the quality of education．” George F．Madaus and his colleagues at Boston College analyzed not only the six most widely used national standardized tests，but also the tests designed to accompany(go with)the four most commonly used science and math texts in fourth-grade, eighth-grade，and high-school classroomsThough curriculum(teaching program)experts argue that schools should place greater emphasis on problem solving and reasoning，the new study shows that the tests focus on lower-level skills—primarily mechanical memorization of routine formulas(公式)． Researchers surveyed more than 2，200 math and science instructors，interviewing in depth some 300 teachers and administrators．Especially in schools with high minority enrollments，teachers reported feeling pressured to help students perform well on these tests．Some states judge schools and some schools determine teacher assignments(工作安排)based on students" test scores． | 
