单项选择题
A. Second officer. B. Third officer. C. Captain. D. Bosun.
Lifeboat launching is operated ().A.quarterlyB.annually...
单项选择题Lifeboat launching is operated ().
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