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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1187

Unfortunately, the research was limited __________ increasing economic profits, _________ protecting the environment.

A.to; other than B.by; rather than C.to; rather than D.by; more than
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Unfortunately,theresearchwasli