选择题:He was proud of being chosen to participate in the

题目内容:
He was proud of being chosen to participate in the game and he _____ us that he would try as hard as possible.
A. insured B. guaranteed C. assumed D. assured
参考答案:

从严格意义上讲,行业与产业有差别,主要是适用范围不一样。( )

从严格意义上讲,行业与产业有差别,主要是适用范围不一样。( )

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