单项选择题 In relation to the turning circle of a ship，the term advance means the distance（）.

单项选择题 In a racetrack turn，to recover a man overboard，the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?（）

单项选择题 Immediately after abandoning a vessel，lookouts should be posted aboard liferafts to look for（）.