The old scientist took up walking as a regular form of exercise, which, of course, is of great to hi...
2022-11-22 18:08:10 55次 2013-2014学年宁夏高三上学期第二次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
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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