SAT模拟考试SAT填空练习题(4)：本文是sat填空模拟题。新东方在线SAT频道为大家整理了SAT官方每日一题SAT模拟考试题，供考生们参考，以下是详细内容。

　　Choose the word or set of words that, wheninserted in the sentence, best fits the meaningof the sentence as a whole.

　　Bromelain, an enzyme found in pineapples, is not ------- in preventing bone and joint diseases, whichcan 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

　　答案：B

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