A.only in fog
B.only between the hours of sunset and sunrise
C.only when entering and leaving port
D.at all times
您可能感興趣的試卷
你可能感興趣的試題
A.one sidelight of a vessel ahead of you
B.one sidelight and a masthead light of a vessel ahead of you
C.one sidelight，a masthead light，and a range light of a vessel ahead of you
D.both sidelights of a vessel dead ahead of you
A.humidity
B.varying densities of water
C.vessel traffic
D.the jet stream
A.besides
B.excepted
C.otherwise
D.other than
A.there are other vessels in the vicinity
B.operating in a traffic separation scheme
C.engaged in a situation involving more than two vessels
D.necessary to avoid immediate danger
A.The rules require vessels to comply with Traffic Separation Scheme regulations
B.The rules use the term safe speed
C.The Rules permit a stand-on vessel to take action prior to being in extremis
D.All of the above are correct
最新試題
A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.
If the circumstances admit，（）of small alteration of course and speed shall not be taken to avoid collision.
A vessel approaching your vessel from 235°relative is in what type of situation?（）.
A vessel engaged in fishing during the day would show（）.
A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.
A vessel（）when underway shall so far as possible，keep out of the way of a vessel not under command.
A proper look-out must be kept（）.
If a seaplane is not used as a means of transpiration on water but is capable of being used so，it shall（）.
A vessel engaged in trawling will show identification lights of（）.
A vessel conducting mine clearing operations will show（）.