单项选择题
A.at small angle B.at large angle C.at right angle D.in same direction as
The rule regarding look-outs applies（）.A.in restricted ...
单项选择题The rule regarding look-outs applies（）.
A.in restricted visibility B.between dusk and dawn C.in heavy traffic D.All of the above
The VTS has been designed to aid in（）.A.the prevention ...
单项选择题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
Traffic separation schemes may be（）by the Organization ...
单项选择题Traffic separation schemes may be（）by the Organization for the purpose of these Rules.
A.adopted B.adapted C.adjusted D.admitted
