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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1875

If Newton lived today, he would be surprised by what _______ in science and technology.

A.had discovered B.had been discovered
C.has discovered D.has been discovered
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IfNewtonlivedtoday,hewouldbesu