单项选择题
A.received B.retrieved C.relieved D.resumed
A qualified deck officer should be（）the watch.A.in char...
单项选择题A qualified deck officer should be（）the watch.
A.in charge of B.arranged C.decided to D.the depth of
A certificated lifeboatman assigned to command the life...
单项选择题A certificated lifeboatman assigned to command the lifeboat should（）.
A.be the first individual to board the craft B.drain the hydraulic pressure before lowering the craft C.have a list of the persons assigned to the lifeboat D.All of the above
（）is not convincing at all.A.What doB.What you sayC.Wha...
单项选择题（）is not convincing at all.
A.What do B.What you say C.What you said D.What did you say
