I think I was at school, I was staying_爱下问搜题

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问题选择题

I think I was at school, I was staying with a friend during the vacation when Iheard the news.[ ]

A. even so

B. and then

C. or else

D. so that

答案

答案：C

单项选择题

根据《烟草专卖文明执法行为规范》的规定，烟草专卖管理人员在对卷烟零售户经营场所、违法行为发生地等有关场所进行检查前，须出示执法证件，说明来意，并（）在场。

A、必须有当事人

B、必须有见证人

C、必须有当事人或见证人

C、可以有当事人或见证人

单项选择题

绝缘材料具有很好的绝缘性能和（）性能。

A.吸热

B.导热

C.耐热

D.散热