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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1225

Clinical evidence began to __________, suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals.

A.operate
B.strengthen
C.approve
D.Accumulate
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Clinicalevidencebeganto,sugges