SAT官方试题分享：2014年8月7日(阅读)

Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.

Bromelain, an enzyme found in pineapples, is not _____ in preventing bone and joint diseases, which can make bones susceptible to injury, but it can help injured bones _____.

A. corrective . . heal

B. effective . . recover

C. detrimental . . multiply

D. supportive . . degenerate

E. vital . . persist

正确答案:B

解析:

It makes sense to say that although bromelain is not “effective” against, or cannot prevent, bone injury, it is effective in helping injured bones “recover.”

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