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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1200

Human facial expressions differ from those of animals in the degree ___ ___ they can be controlled on purpose.

A.with which B.to which
C.of which D.for which
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Humanfacialexpressionsdifferfr