A.船长、大副、轮机长、二管轮属于管理级B.船长、大副、轮机长、大管轮属于管理级C.船长、大副、大管轮、二管轮……

单项选择题他们工作四小时，休息八小时。（）

A. They work four hours and have four hours for rest.
B. They work eight hours and have four hours for rest.
C. They work four hours and have eight hours for rest.
D. They work eight hours and have eight hours for rest.

单项选择题驾驶台始终有驾驶员值班。（）

A. Sailors are always on watch on the bridge.
B. Deck officers are always on watch on the bridge.
C. Sailors are never on watch on the bridge.
D. Deck officers are never on watch on the bridge.

单项选择题后退一！（）

A. Full ahead!
B. Slow astern!
C. Half astern!
D. Dead astern!

单项选择题后退二！（）

A. Full ahead!
B. Slow astern!
C. Half astern!
D. Ahead three!

单项选择题尾推全速向左！（）

A. Bow stern full to port!
B. Bow stern half to port!
C. Stern thrust half to starboard !
D. Stern thrust full to port!