单项选择题
A.spring line B.warp line C.bow line D.breast line
A look-out should report objects sighted using（）.A.true...
单项选择题A look-out should report objects sighted using（）.
A.true bearings B.magnetic bearings C.gyro bearings D.relative bearings
A lookout can leave his station（）.A.at the end of the w...
单项选择题A lookout can leave his station（）.
A.at the end of the watch B.at any time C.ONLY when properly relieved D.15 minutes before the end of the watch
A look-out at the bow sights an object on your port sid...
单项选择题A look-out at the bow sights an object on your port side. How many bell strokes should he sound? （）
A.One B.Two C.Three D.Four
