单项选择题
Maritime Administration personnel may be allowed in the pilothouse upon the responsibility of the（）.
A.Chief Officer
B.Navigator
C.most senior person present from the Maritime Administration
D.officer in charge of the watch
单项选择题 In writing up the logbook at the end of your watch，you make an error in writing an entry. What is the proper way of correcting this error? （）
单项选择题 If your passenger vessel is fitted with a loudspeaker system，it must be tested at least once （）.
单项选择题 Functions aboard a tanker or tank barge such as connecting，disconnecting，and topping off must be supervised by（）.