单项选择题
A. The pilot wants to see the captain. B. The captain wants to see the helmsman. C. The chief officer wants to see the pilot. D. The captain wants to see the pilot.
A. Steady as she goes! B. Keep straight! C. Keep right! D. Keep left!
A. Low speed control . B. Inching control . C. High speed control. D. Slow speed control.