有机化合物大都是以共价键结合的非电解质，这类化合物通常较难溶

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问题判断题

有机化合物大都是以共价键结合的非电解质，这类化合物通常较难溶于水。

答案

参考答案：对

选择题

— Who is Jerry Cooper? 　

— ______? I saw you shaking hands with him at the meeting. 　 [ ]

A. Don't you meet him yet

B. Hadn't you met him yet 　

C. Didn't you meet him yet

D. Haven't you met him yet

问答题简答题

简述确定推销队伍规模的主要方法。