AIDs activists permanently changed and shortened America’ s ______ process fortes ting and approving new drugs of all kinds, for

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问题 AIDs activists permanently changed and shortened America’ s ______ process fortes ting and approving new drugs of all kinds, for all diseases.

选项 A、stagnant
B、intricate
C、appropriate
D、efficient

答案D

解析 stagnant停滞的，迟钝的。intricate复杂的，难以理解的。efficient有效率的，能干的。

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