【多选题】【消耗次数：1】
按规定，建筑施工企业从业人员每年应接受一次专门的安全培训。时间要求是（ ）。
①
一般管理人员和技术人员（除安全员）不少于15学时
②
新进场工人三级安全教育培训分别不少于15学时、15学时、20学时
③
企业法定代表人、生产经营负责人、项目经理不少于30学时
④
特殊工种作业人员不少于20学时
⑤
普通操作人员不少于20学时
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相关题目
【单选题】
《水利水电工程施工安全管理导则》（SL721－2015）规定，项目法人单位主要负责人和安全生产管理人员初次安全生产教育培训时间不得少于（）学时。每年接受再培训时间不得少于（）学时。
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