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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 594

Our research has focused on a drug which is so _____ as to be able to change brain chemistry.

A.powerful B.influential C.monstrous D.vigorous
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Ourresearchhasfocusedonadrugwh