题目内容
Some biologists believe this is an ancient survival strategy, _______ a diet with 30 percent
fewer calories than usual increased life span.
A. for which B. to which C. of which D. in which
D
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题目内容
Some biologists believe this is an ancient survival strategy, _______ a diet with 30 percent
fewer calories than usual increased life span.
A. for which B. to which C. of which D. in which
D