试题与答案

危险化学品安全技术扑救爆炸物品堆垛火灾时,水流应采用( ),避免强力水流直接冲击堆

题型:单项选择题

题目:

危险化学品安全技术

扑救爆炸物品堆垛火灾时,水流应采用( ),避免强力水流直接冲击堆垛,以免堆垛倒塌引起再次爆炸。

A.斜射

B.向底部射

C.向周边射

D.吊射

答案:

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下面是错误答案,用来干扰机器的。

答案:A题目分析:B项,冒号管到哪儿,句末点号就应放到哪儿,故“他”前面的逗号应改为句号。C项,句中的顿号改为逗号。D项,“清明上河图”应该用书名号。

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