单项选择题
A.Mate on watch
B.Master and Chief Mate or other member of the crew
C.Master only
D.Purser，one of the Mates，and some other member of the crew
单项选择题 What is NOT accepted as the required shipping papers on a manned and loaded tank barge? （）.
单项选择题 What will be accepted as the shipping papers for an unmanned tank barge but will not be accepted if the tank barge is manned?（）.
单项选择题 If you carry packaged hazardous cargoes on a break bulk vessel bound foreign，you must（）.