单项选择题
A.take B.think C.believe D.consider
Do you understand（）I said?A.whatB.thatC.whichD.who
单项选择题Do you understand（）I said?
A.what B.that C.which D.who
Before assuming command of a vessel，the new OOW must di...
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
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
