单选题:一般要求建筑内的每个防火分区或一个防火分区的每个楼层,安全出口不少于( )个。

题目内容:
一般要求建筑内的每个防火分区或一个防火分区的每个楼层,安全出口不少于( )个。 A.1
B.2
C.3
D.4

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剧场、电影院、礼堂设置在一二级耐火等级的多层民用建筑时,应采用耐火极限不低于( )小时的防火隔墙和甲级防火门与其他区域分

剧场、电影院、礼堂设置在一二级耐火等级的多层民用建筑时,应采用耐火极限不低于( )小时的防火隔墙和甲级防火门与其他区域分隔。A.3 B.4 C.1 D.2

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