Two masthead lights
One masthead light and a sidelight
Both sidelights
Stern light only
第1题：
In which situation do the Rules require both vessels to change course ?______.
A.Two power-driven vessels meeting head-on
B.Two power-driven vessels crossing when it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate action
C.Two sailing vessels crossing with the wind on the same side
D.All of the above
第2题：
简述越行站 overtaking station。
第3题：
Sailing vessels are stand-on over power-driven vessels except ______.
A.in a crossing situation
B.in a meeting situation
C.when they are the overtaking vessel
D.on the inland waters of the PR China
第4题：
strike
strikes
are striking
struck
第5题：
there are other vessels in the vicinity
operating in a traffic separation scheme
engaged in a situation involving more than two vessels
necessary to avoid immediate danger
第6题：
In which case would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast? ______.
A.When overtaking in restricted visibility
B.When overtaking in a narrow channel
C.When overtaking on open waters
D.When no other vessels are in the immediate area
第7题：
Three vessels meeting so as to cross each other's course
A vessel meeting a vessel that is backing out of a slip
An overtaking situation that has reached in extremis
A vessel fishing with nets meeting a sailing vessel
第8题：
There shall be two principal ______ through the harbor for the passage of vessels of over 60 tons burden．
A.straits
B.channels
C.canals
D.roadsteads
第9题：
stop her engines
alter course to starboard
sound the danger signal
back down
第10题：
If
Would
Shall
Should