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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 2102

The fifth generation computers, with artificial intelligence, _____ and perfected now.

A.developed B.have developed
C.are being developed D.will have been developed
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Thefifthgenerationcomputers,wi