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單項(xiàng)選擇題

Equipment requirement vary according to（）.

A.Ship owner‟s will
B.economic condition
C.the area in which the ship operates
D.different orders of all countries

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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

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

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