单项选择题
Lifeboat hatchets should be（）.
A.kept in a locker B.secured at each end of the boat with a lanyard C.kept next to the boat coxswain D.kept in the emergency locker on the ship and brought to the lifeboat when needed
单项选择题 In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
单项选择题 In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.
单项选择题 In painting a lifeboat following its overhaul，which parts must be painted bright red?（）
