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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 338

129. The researcher collected information, studied it, did a lot of        and learnt from the experiences of farmers.

A.experiments B.explanations C.experiences D.Tests
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129.Theresearchercollectedinfo