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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 531

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
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GreatasNewtonwas,manyofhisidea