Seven short blasts continued for one minute means （）.

单项选择题Several sand boxes need （）.

A. to repair and renew
B. repairing and renewing
C. repair and renew
D. repaired and renewed

单项选择题When a ship is abandoned, all of the crew members hearing the alarm sounding should put on （）.

A. the life-jackets and carry the belongings first.
B. the life-jackets and carry the lifebuoys first
C. the life-jackets and gather at muster station first
D. the life-jackets and call the captain.

单项选择题（）the moving parts on the davit of the lifeboat.

A.Greasing
B.Grease
C.Greasy
D.Greased

单项选择题If there is a fire in a hold, what should you do?（）

A. Close the hatch, accesses and ventilators at once. Flood CO₂ into hold.
B. Open the hatch, accesses and ventilators at once. Flood CO₂ into hold.
C. Close the hatch, accesses and ventilators at once. Flood water into hold.
D. Open the hatch, accesses and ventilators at once. Flood water into hold.

单项选择题（） must know the location as well as the operation of the life-saving and fire-fighting appliances.

A. All officers
B. All engineers
C. All the crew
D. All sailors

单项选择题（）should be saved first in an accident.

A. The ship
B. The cargo on board
C. The persons on board
D. The bridge

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