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
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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
A.be regarded as a vessel not under command
B.be regarded as a vessel underway
C.be regarded as a vessel
D.be regarded as a sailing vessel
最新試題
If a vessel of special construction cannot fully comply with the Rules，her degree of compliance shall be determined by（）.
Which statement about the Navigation Rules is TRUE?（）.
A vessel（）a crossing vessel，shall not normally enter a separation zone or cross a separation line.
A proper look-out shall be maintained（）.
A vessel aground at night is required to show two red lights in a vertical line as well as （）.
A vessel being towed will show（）.
A vessel enagaged in fishing，and at anchor，shall show（）.
In a crossing situation，a stand-on vessel which is forced to take action in order to avoid collision with a vessel on her own port side shall，if possible，avoid（）.
A vessel engaged in fishing shall keep out of the way of a vessel（）.
If a vessel is engaged in fishing according to the definitions in the Rules，it will have （）.