displaying code letter Y (Yankee)
sounding five short blasts on his whistle
displaying code numeral 5
sounding one prolonged blast on his whistle
第1题：
The single letter G，sent by an icebreaker to an assisted vessel，means ______.
A.I require a pilot
B.Longitude follows
C.I am going ahead; follow me
D.Do not follow me
第2题：
I undertake to bring to the notice of the Suez Canal Authorities，before my vessel ______ the Canal，any defects which may appear.
A.enters into
B.enters
C.enters in
D.enters to
第3题：
If during discharging the Captain for fear of vessel being frozen in deems it advisable to leave， he has liberty to do so． This sentence says that ________ ．
A.fearing the vessel being frozen in the Captain has liberty to discharge the cargo
B.the vessel can stop discharging and leave the unloading port if the risk of being frozen in exists．
C.the Captain has liberty to leave the discharging port if there is no risk of being frozen in
D.the Captain deems it advisable to leave the discharging port
第4题：
Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry．The starboard lookout reports that the icebreaker has run up the code flag N（November）．What action should you take ________．
A.Reduce speed
B.Stop your engines
C.Reverse your engines
D.Stop your vessel instantly
第5题：
A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral "4" when the vessel ______.
A.speed begins to drop
B.stops
C.receives ice damage
D.becomes icebound
第6题：
Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white?
A.A vessel engaged in diving operations
B.A pilot vessel
C.A vessel trawling
D.All of the above
第7题：
Which of the following would be considered downflooding on a fishing vessel as defined in regulation?
A.Vessel heels until water enters a hatch
B.Vessel in collision floods through a damaged area above the waterline
C.Vessel takes on water due to the hatches being left open in heavy rain
D.Vessel takes on water by the propeller shaft due to failure of the stern gland
第8题：
A vessel not to impede the passage of another vessel is not relieved ______ taking collision-avoiding action．
A.on
B.of
C.in
D.for
第9题：
A vessel to which Annex V to MARPOL 73/78 applies is 24 nautical miles from the nearest land.Which type of garbage is prohibited from being discharged?
A.Glass
B.Crockery
C.Metal
D.Dunnage
第10题：
Failure to comply with the above may______action being taken against the vessel．
A.resulted in
B.result in
C.to result in
D.resulting in