单项选择题
Before assuming command of a vessel，the new OOW must discuss with the one being（），all important operational features of the ship.
A.received B.retrieved C.relieved D.resumed
单项选择题 A qualified deck officer should be（）the watch.
单项选择题 A certificated lifeboatman assigned to command the lifeboat should（）.
单项选择题 （）is not convincing at all.
