多选题:在建筑工程施工现场防火要求中,凡属于(  )等情形之一的动火,均为一级动火。

题目内容:
在建筑工程施工现场防火要求中,凡属于(  )等情形之一的动火,均为一级动火。 A.危险性较大的登高焊、割作业
B.小型油箱等容器
C.比较密封的室内、容器内、地下室等场所
D.在具有一定危险因素的非禁火区域内进行临时焊、割等用火作业
E.在非固定的、无明显危险因素的场所进行用火作业

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