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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

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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

單項(xiàng)選擇題

Traffic separation schemes may be（）by the Organization for the purpose of these Rules.

A.adopted
B.adapted
C.adjusted
D.admitted