单项选择题
In launching a covered lifeboat，what would safely lower the lifeboat from inside the lifeboat cabin?（）
A.Frapping line B.Tricing line C.Rottmer release D.Winch remote control wire
单项选择题 In addition to the life jackets stowed at each berth location，life jackets must be stowed at each watch station and（）.
单项选择题 If absolutely necessary，the best way to land on a beach in a motor lifeboat is to（）.
单项选择题 How should the lifeboat sea painter be rigged?（）
