题目内容
19. The old scientist took up walking as a regular form of exercise, which, of course, is of great to his heath.
A. benefit B. favour
C. sense D. relationship
19. A考査名词辨析。benefit此处用作抽象名词,意思是"益处,好处";be of benefit to…对 有好处。句意:这位老科学家以步行作为一项经常性的锻炼方式,当然,这对他的健康有很大的好处。故A正确。
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