A. Second officer.B. Third officer.C. Captain.D. Bosun.……

单项选择题Lifeboat launching is operated （）.

A.quarterly
B.annually
C.monthly
D.yearly

单项选择题NO.2 lifeboat is located on （）side.

A.starboard
B.both
C.each
D.port

单项选择题I’m having （）around the ship.

A. fire watch
B. fire patrol
C. fire protection
D. fire alarm

单项选择题Who maintains the fire-fighting and life-saving apparatus?（）

A. The second officer.
B. The chief officer.
C. The third officer.
D. Bosun.

单项选择题We should take （）to keep the chemicals away from fire.

A. great care
B. some measures
C. fresh water
D. fresh air