单项选择题
A.quarterly B.annually C.monthly D.yearly
NO.2 lifeboat is located on ()side.A.starboardB.bothC.e...
单项选择题NO.2 lifeboat is located on ()side.
A.starboard B.both C.each D.port
I’m having ()around the ship.A. fire watchB. fire patro...
单项选择题I’m having ()around the ship.
A. fire watch B. fire patrol C. fire protection D. fire alarm
Who maintains the fire-fighting and life-saving apparat...
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.