皮皮学，免费搜题
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搜题
【单选题】
对于机械维修车间的人身安全,以下哪个是首要注意事项( )A.
注意消防通道
B.
正确穿戴工作服
C.
了解什么是危险品
D.
注意车间的管理文件
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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A.
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B.
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C.
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