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  3. Time for another global-competitiveness alert. In the Third International Mathematics and Science Study—which last year tested a

Time for another global-competitiveness alert. In the Third International Mathematics and Science Study—which last year tested a

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问题     Time for another global-competitiveness alert. In the Third International Mathematics and Science Study—which last year tested a half-million students in 41 countries—American eighth graders【C1】______below the world average in math. And that’s not even【C2】______part. Consider this as you try to【C3】______which countries will dominate the technology markets of the 21st century: the top 10 percent of America’s math students scored about the same as the average kid in the global【C4】______, Singapore.
    It isn’t exactly a news flash these days【C5】______Americans score behind the curve on international tests. But educators say this study is【C6】______because it monitored variables both inside and outside the classroom. Laziness—the factor often【C7】______for Americans’ poor performance—is not the culprit here. American students【C8】______spend more time in class than pupils in Japan and Germany. 【C9】______, they get more homework and watch the same amount of TV. The problem, educators say, is not the kids but a curriculum that is too【C10】______. The study found that lessons for U. S. eighth graders contained topics mastered by seventh graders in other countries.
    Teachers actually agree that Americans need to【C11】______their kids to more sophisticated math earlier. Unfortunately, experts say, the teachers don’t recognize that【C12】______these concepts are taught is as important as the concepts themselves. Most educators rely【C13】______on textbooks and rote learning (死记硬背). While many textbooks cover【C14】______ideas, most do so superficially,【C15】______students with the techniques but not the mastery of the broader principles.
【C9】
选项 A、To begin
B、As is known
C、Not only that
D、Even so
答案B
解析 上一句谈到美国学生学习的时间比日本和德国学生要多，本句是对美国学生学习情况的具体说明。空格所在部分的大意为：——他们完成的家庭作业要多于日本和德国学生，而且看电视的时间也不比他们多。分析各个选项的意思，找出符合本句话的意思的项。A项To begin“首先，开始”；B项As is known“众所周知”；C项Not only that“不仅如此”；D项Even so“虽然如此”。根据文意可知是“众所周知，他们完成的家庭作业要多于日本和德国学生”。因此本题选B。
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