皮皮学,免费搜题
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【单选题】
煤矿编制采区设计、采掘作业规程和安全技术措施时,必须对安全监控设备的种类、数量和位置,信号电缆和电源电缆的敷设,断电区域等做出明确规定,并绘制()布置图和断电控制图。
A.
供水
B.
供电
C.
安全监控设备
D.
综合防尘设施
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【判断题】高度超过 100m 的建筑中,除消防控制室内设置的控制器外,每台控制器直接控制的火灾探测器、手动报警按钮和模块等设备不应跨越避难层。
A.
正确
B.
错误
【单选题】高度超过 100m 的建筑中,除消防控制室内设置的控制器外,每台控制器直接控制的火灾探测器、手动报警按钮和模块等设备不应跨越避难层。( )
A.
27m
B.
50m
C.
54m
D.
100m
【单选题】如果某带电体电荷分布的体密度【图片】增大为原来的 2 倍,则其电场的能量变为原来的
A.
4 倍。
B.
2 倍。
C.
1 / 2 倍。
D.
1 / 4 倍。
【单选题】---My sister wants to give Bob a birthday present. What can you suggest?--- I suggest that she _
A.
36.  ---My sister wants to give Bob a birthday present. What can you suggest? --- I suggest that she _____ him the new Ricky Martin CD.. A. gives        
B.
may give          
C.
give          
D.
could give
【单选题】be sent to work there? [     ]
A.
Who do you suggest
B.
Who do you suggest that should
C.
Do you suggest who should
D.
Do you suggest who should
【单选题】如果某带电体电荷分布的体密度【图片】增大为原来的两倍, 则其电场的能量变为原来的
A.
2倍
B.
C.
4倍
D.
【单选题】Can you suggest a nice place for our holiday?
A.
Sorry to keep you waiting.
B.
We can finish it on time.
C.
Let’s go to the seaside.
D.
I like it very much.
【简答题】Where can you find a nice place to relax on holiday for both you and your children? Well, I suggest you try the beautiful and green Isle of Wight (IOW). The Isle of Wight is one of the main tourist at...
【单选题】如果某带电体其电荷分布的体密度【图片】增大为原来的2倍,则其电场的能量变为原来的
A.
2 倍
B.
1 / 2倍
C.
4倍
D.
1 / 4倍.
【单选题】. I suggest you buy this one . It is ________ more expensive but it can be used for a longer time .
A.
approximately
B.
slightly
C.
finally
D.
fortunately
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