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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 636

His friends were ___________and encouraged him to publish his ideas, but Copernicus was cautious.

A.technical B.official
C.educated D.enthusiastic
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Hisfriendswereandencouragedhim