Great as Newton was, many of his ideas ____ today and are being modified by the work of scientists o【单选题】

时间：2021-06-30 03:10:30 解答: 89 次

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. may be challenged

C. have been challenged

D. are challenging

正确答案：

参考解析：

【句意】尽管牛顿非常伟大，然而他的许多观点当前正受到怀疑，并且当今的许多科学家正在努力对这些观点进行修正。

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