问题
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根据下面材料,回答题。 Human Heart Can Make New CellsSolving a longstanding mystery, scien
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Paragraph 4 __________? 查看材料A.What exactly is scien
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The term "British disease" is now often used to characterize Britains ______ decline.A.pol
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According to the interviewee, what is the problem of the present science education?A.Scien
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Professor Taylor’s talk has indicated that scien
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It is a curious paradox that we think of the physical sciences as hard the social scien