单项选择题
A. I am a sailor. I work as an OS on board. B. I am an AB I work as a sailor. C. I am a sailor. I work as a quartermaster. D. I am an AB I work as an oiler.
A. The captain is the head of a ship. B. The master is the head of a ship. C. The deck department is under the command of the chief officer. D. The pilot is the head of a ship.
A. Port a little. B. Port more. C. Port five. D. Starboard ten.