单项选择题
On a tanker，sanitary inspections of the crew’s quarters are the responsibility of the（）.
A.Master and Second Mate B.Master and Chief Engineer C.Master and union delegate D.Master and Chief Mate
单项选择题 No person whose license has been revoked shall be issued another license except upon（）.
单项选择题 No person may serve as the person in charge of both the vessel and the facility during oil transfer operations unless（）.
单项选择题 Maybe the Chief Officer is（）in his calculations.
