SAT官方每日一题：2011年7月25日

　　2011年7月25日

　　考试类型:Critical Reading > Sentence Completions

　　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.”