单项选择题
A.水手长管水手 B.你属于哪一级 C.我属于支持级 D.我属于水手级
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、二管轮属于管理级 D.船长、二副、轮机长、大管轮属于管理级
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.