The intellectually______ enterprise of science depends on free communication.

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问题 The intellectually______ enterprise of science depends on free communication.

选项 A、depressing
B、depressed
C、exhilarating
D、exhilarated

答案D

解析 四个选项的意思分别是:depressing令人沮丧的;depressed沮丧的;exhilarating 令人振奋的;exhilarated高兴的,振奋的。根据句子意思推出正确答案是D选项。例如,“The cold weather exhilarated the walkers.”(寒冷的天气使行人精神振奋。)
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