下载APP
举一反三
【判断题】煤矿“一通三防”，采用均压技术防灭火时,改变矿井通风方式、主要通风机工况以及井下通风°系统时,对均压地点的均压状况不必进行调整,保证均压状态的稳定。( )煤矿安全生产管理人员B2
A.
正确
B.
错误
【单选题】一通三防”是指一通是矿井通风，三防是指（）。
A.
防治瓦斯、防治煤尘、防灭火
B.
防治二氧化碳、防治煤尘、防灭火
C.
防治瓦斯、防治煤尘、防明火
D.
防治硫化氢、防治煤尘、防灭火
【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
相关题目：
【单选题】一通三防”是指一通是矿井通风，三防是指（）。
A.
防治瓦斯、防治煤尘、防灭火
B.
防治二氧化碳、防治煤尘、防灭火
C.
防治瓦斯、防治煤尘、防明火
D.
防治硫化氢、防治煤尘、防灭火
【单选题】光缆通信线路的“三防”保护包括光缆线路的（ ）
A.
防强电、防雷、防电化学腐蚀
B.
防盗、防强电、防雷
C.
防盗、防雷、防电化学腐蚀
D.
防强电、防雷
【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
【判断题】新的三打三防指的是打隐形飞机、打巡航导弹、打武装直升机()
A.
正确
B.
错误
【单选题】下列哪项不属于“三防”的定义( )
A.
防御核武器
B.
防御生物武器
C.
防御化学武器
D.
防御细菌武器
【单选题】人防工程中排烟口的风速不宜大于（）m/s。
A.
A、7
B.
B、10
C.
C、15
D.
D、20
【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
【多选题】人防工程不应或不得设置（）。
A.
柴油发电机房
B.
油浸电力变压器室
C.
医院病房
D.
甲类的生产车间
E.
乙类的生产车间