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（）.
A.the mess room B.each lifeboat C.each industrial work site D.each fire station
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?（）
单项选择题 How many life buoys have your ship been exactly（）.
