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【多选题】
《北京市房屋建筑和市政基础设施工程有限空间作业安全管理规定》规定，施工现场管理人员应于作业开始前对实施作业的全体人员进行安全技术交底，告知（ ）等，并履行签字确认手续。
A.
作业内容
B.
作业方案
C.
作业现场可能存在的危险因素
D.
作业安全要求及应急处置方案
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参考答案：
参考解析：
刷刷题刷刷变学霸
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A.
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B.
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D.
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