单项选择题
A.bell book
B.deck rough log
C.Official Logbook
D.engine rough log
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 What must the Master or person in charge of a ship enter in the logbook after conducting an abandonment drill? （）
单项选择题 What must the Master or person in charge of a ship enter in the logbook after conducting an abandonment drill?（）