单项选择题
A.Length overall B.After perpendicular C.Amidships D.Extreme breadth
（）length of the ship measured from extreme points of th...
单项选择题（）length of the ship measured from extreme points of the ship forward and aft.
You should always wear（）when working on deck.A.helmetB....
单项选择题You should always wear（）when working on deck.
A.helmet B.slippers C.goggles D.immersion suits
（）is the head of the Deck Department.A.The Chief Office...
单项选择题（）is the head of the Deck Department.
A.The Chief Officer B.The Second officer C.The Third Officer D.Master
