单项选择题

There is a smell of gas in the hold. You must wear your （）.

A. life-jacket
B. fire mast
C. breathing apparatus
D. life suit

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单项选择题

Man overboard! （）.

A. Release a lifebuoy
B. Start the pump
C. Get a fire extinguisher
D. Call the captain

单项选择题

In case of fire, （）.

A. inform the bridge and give the alarm at once
B. cut off the circuits and turn off ventilating blowers first
C. call the captain first
D. report to the duty officer

单项选择题

For the duties assigned in the muster list, （）.

A. one person should do one job
B. one job should be done by all crew
C. one person should do all jobs
D. one job may be done by more than one person