单项选择题

Which one of the followings is not required on survival crafts?（）

A.Anti-seasickness medicine
B.Immersion suits
C.Axes
D.Lifebuoys

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单项选择题

A.The person who has done the planning
B.The master
C.The navigation officer
D.The owner

单项选择题

A.Clockwise and outward
B.Counterclockwise and inward
C.Counterclockwise and outward
D.Clockwise and inward

单项选择题

A.Good navigational knowledge and a professional job attitude
B.Good computer knowledge
C.Good system knowledge
D.Nothing special