试题与答案

设“并非无商不 * * ”为真,则以下哪项一定为真?() A.所有的商人都是 * * 商。 B.所有

题型:单项选择题

题目:

设“并非无商不 * * ”为真,则以下哪项一定为真?()

A.所有的商人都是 * * 商。

B.所有商人都不是 * * 商。

C.并非有的商人不是 * * 商。

D.有的商人不是 * * 商。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:腹腔干;肠系膜上动脉;肠系膜下动脉

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