（）should be saved first in an accident.

单项选择题The emergency alarm is sounded on （）according to master’s order.

A.VHF
B.broadcast
C.radio
D.sextant

单项选择题The life-jacket is usually put （）in your cabin.

A. in the refrigerator
B. in the cupboard
C. under the bed
D. on the table

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

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