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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1679

He is known _____ a scientist and famous _____ his research on rice.

A.for; as B.for; for C.as; for D.as; as
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Heisknownascientistandfamoushi