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【多选题】
隔爆设施安装工需要掌握以下知识（）。
A.
掌握《煤矿安全规程》、《通风安全质量标准》对防尘和隔爆设施的有关规定
B.
掌握隔爆设施的工作原理
C.
熟悉隔爆设施的安装标准
D.
了解有关瓦斯、煤尘爆炸的知识
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】（）属破坏绿化和绿化设施的行为。
A.
擅自折损树（林）木花草
B.
在树旁和绿（林）地内倾倒垃圾或者有害废渣废水、堆放杂物
C.
引起树（林）木损坏的焚烧行为
D.
在绿（林）地内乱设广告
E.
其他损坏绿化或者绿化设施的行为
【单选题】When George W Bush delivered his State of the Union Address this past January, three words appeared that had not previously been heard from the Oval Office: Switchgrass, stalks and woodchips. Bush’’s ...
A.
George W. Bush
B.
Tom Slunecka
C.
James Woolsey
D.
David Bransby
【单选题】Section BDirections: There are 2 passages in this section．Each passage is followed by some questions or unfinished statements．For each of them there are four choices marked A, B, C and D．You should de...
A.
they can afford the cure for malaria
B.
they can save their cash efficiently
C.
they can live safely in the village
D.
their can get rid of poverty soon