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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1564

The old scientist took up walking as a regular form of exercise, which, of course, is of great        to his heath.

A.benefit B.favor
C.sense D.relationship
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Theoldscientisttookupwalkingas