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【单选题】
《电力设备典型消防规程》规定，严禁将焊接导线搭放在( )，乙炔瓶、乙炔发生器、煤气、液化气等设备和管线上。A.
氧气瓶
B.
氦气瓶
C.
氮气瓶
D.
二氧化碳瓶
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举一反三
【单选题】Where do most of the seals live?
A.
In the ocean near San Diego.
B.
In the oceans near the poles.
C.
In the Atlantic Ocean.
D.
In the Pacific Ocean.
【单选题】Where do most of the Chinese people live in San Francisco?
A.
In China Town.
B.
In the northern part of the city.
C.
All over the city.
D.
In Japan Town.
【单选题】Where do most of the Chinese people five in San Francisco? 查看材料
A.
In Chinatown．
B.
In the northern part of the city．
C.
All over the city．
D.
In Japan town．
【简答题】Where do most of the Chinese people live in San Francisco?
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