题目内容

一位海关检查员认为,他在特殊工作经历中培养了一种特殊的技能,即能够准确地判定一个人是否在欺骗他。他的根据是,在海关通道执行公务时,短短的几句对话就能使他确定对方是否可疑;而在他认为可疑的人身上,无一例外地都查出了违禁物品。 以下哪项如果为真,能削弱上述海关检查员的论证 Ⅰ.在他认为不可疑而未经检查的入关人员中,有人无意地携带了违禁物品。 Ⅱ.在他认为不可疑而未经检查的入关人员中,有人有意地携带了违禁物品。 Ⅲ.在他认为可疑并查出违禁物品的入关人员中,有人是无意地携带的违禁物品。

A. 只有Ⅰ和Ⅲ。 B.只有Ⅰ和Ⅱ。 C.只有Ⅱ和Ⅲ。 D.Ⅰ、Ⅱ和Ⅲ。
B. Ⅰ、Ⅱ和Ⅲ都不能削弱。

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