Lifesaving regulations require that a fire drill include（）.<br>A:starting the fire pumps<br>B:checking the operation of watertight doors<br>C:checking arrangements for abandon ship<br>D:All of the above

Lifesaving regulations require that a fire drill include（）.
A:starting the fire pumps
B:checking the operation of watertight doors
C:checking arrangements for abandon ship
D:All of the above

出自：海船船员证

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