【单选题】【消耗次数：1】
（ ）是指对人造成伤亡或对物造成突发性损害的因素。
①
环境因素
②
人的因素
③
危险因素
④
有害因素
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【多选题】
根据《生产过程危险和有害因素分类与代码》（GB/T 13861—2009），可将生产过程中的危险和有害因素分为4大类，分别是（）。
①
人的因素
②
物的因素
③
环境因素
④
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⑤
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①
A．投机风险因素
②
B．实质风险因素
③
C．道德风险因素
④
D．心理风险因素
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①
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