单项选择题
Letter “Q” means “（）”.
A. Man overboard B. You are running into danger C. My vessel is healthy. D.I require a pilot.
单项选择题 Mind your head .I am dropping the（） now!
单项选择题 If the freeboard is more than 9 meters, we should rig（）.
单项选择题 The pilot boat took the pilot （）the ship.
