【多选题】【消耗次数：1】
作业安全风险管理的基础包括（）。
①
A.安全风险评估
②
B.危险源辨识
③
C.预控
④
D.风险控制
参考答案：
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【单选题】
根据危险源辨识和风险评估的结果，利用一定的技术手段和管理措施，控制或消除可能出现的危险源，预防风险的出现，遏制事故的发生，这是指（）活动。
①
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