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單項(xiàng)選擇題

If obliged to cross traffic lanes，a vessel shall do so on a heading as nearly as practicable （）to the general direction of traffic flow.

A.at small angle
B.at large angle
C.at right angle
D.in same direction as

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單項(xiàng)選擇題

The rule regarding look-outs applies（）.

A.in restricted visibility
B.between dusk and dawn
C.in heavy traffic
D.All of the above

單項(xiàng)選擇題

The VTS has been designed to aid in（）.

A.the prevention of collision
B.the promotion of the traffic flow
C.the complying of port regulation
D.the development of navigational technique