在扑救高层建筑火灾中,一般情况下应先救人再灭火()
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进入消防控制中心了解情况时,为了迅速查明情况,消防员应自己动手操作设备()
高层建筑火灾在竖向管井、共享空间处的火势易“跳跃式”向上蔓延()
洁净厂房是指在卫生条件上对建筑有特殊净化要求的厂房()
Students enrolled as full-time can fully____in the university extracurricular clubs.
A. had participated
B. participant
C. participating
D. participate