Great as Newton was, many of his ideas_____today and are being modified by the w
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Great as Newton was, many of his ideas_____today and are being modified by the work of scientists of our time.A.are to challenge | B.have challenged | C.are challenging | D.have been challenged |
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答案
D |
解析
challenge同ideas之间存在被动关系。句子表“当年牛顿的许多想法受到了质疑”之意。 |
举一反三
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