单项选择题

Which of the following is not the emergency equipment?（）

A. Emergency power supply.
B. Quick-close device.
C. Emergency squad.
D. derricks.

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单项选择题
Which of the following is not the life-saving equipment? （）

A. Lifeboat.
B. Life-raft .
C. Life rail.
D. Lifebuoy.
单项选择题
What would you do if hearing an abandon ship alarm? （）

A. Put on my life-jacket.
B. Go to muster station.
C. A+B
D. Rig the lifeboat and report.
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