单项选择题
Which item of lifeboat equipment would be most suitable for night signaling to a ship on the horizon?（）
A.A red parachute flare B.A red hand-held flare C.A flashlight D.A lantern
单项选择题 Which item is NOT required to be marked with the vessel’s name?（）
单项选择题 Which is TRUE concerning immersion suits and their use?（）
单项选择题 When using the lifeboat compass，you must be careful to（）.
