下列关于氧气管道安全控制措施的说法，错误的是（）。
A.架空氧气管道与明火地点等之间的最小净距不应小于10mB.氧气管道与乙炔管道共架敷设时，应设在乙炔管道的下方C.氧气管道与油质管道同沟敷设时，应设在乙炔管道的下方D.氧气管道上的法兰连接和螺纹连接处，应用金属导线跨接，跨接电阻应小于0．03Ω

题型：单选题

架空煤气管道与其他管道共架敷设时的注意事项，下列说法错误的是（）。

A.煤气管道与水管、热力管、燃油管、不燃气体管在同一支柱或找桥上敷设，其上下敷设的垂直净距不小于250mm

B.为便于操作、检修和抽堵盲板，重油管和氧气管可以敷设在同一侧

C.其他管道架设在管径大于或等于1200mm的煤气管道上时，管道上面预留600mm的通行道

D.其他管道的托架均应焊在煤气管道的加固圈上，加固圈的长度可根据荷载的大小选定，一般为（1/6～1）管道周长，但不小于200mm

A接口

B胶管

C氧气管

D铁管

当氧气管道与其他气体管道和不燃液体管道共架敷设时，氧气管宜布置在（）。

A、支架内侧

B、支架外侧

C、前进方向的左侧

氧气管着火时，应采取的措施是（）。

A、先关氧气瓶总阀

B、后松顶风针

C、先松顶风针

D、后关氧气瓶总阀

E、先关氧气分总阀

A warm-hearted （热心的) nurse on her first day's work went near to a patient （病人). He has come to London as a tourist. She asked him if she could do something for him, but he only waved （摇) his hand and said something she could not understand. With a smile she asked him again and he just kept saying the same word but in a very much lower voice （声音) before closing his eyes. She ran to the doctor and repeated（重复) to him the sounds she had heard: "My dear girl," said the doctor after listening carefully to what she repeated, he was saying, " You are standing on I oxygen pipe （氧气管)!"
In the story, the nurse and the patient ______.
A．speak the same language
B．speak different languages
C．can't hear each other