單項(xiàng)選擇題

The WWNWS establishes three types of navigational warning:（）.

A.Distress, Urgency and Safety
B.Vital, Important and Routine
C.NAVAREA, Coastal and local
D.gale, Tsunami and Ice

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單項(xiàng)選擇題

Every ship must fitted with（）SART, and（）two-way VHF radio telephone.

A.1,2
B.2,3
C.2,1
D.3,2

單項(xiàng)選擇題

In INMASAT-A service code 32（）.

A.medical assistance
B.medical advise
C.maritime assistance
D.technical assistance

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