Proceed on present course and speed since the vessel is stopped and making no way through the water
Keep clear of the vessel because it has a diver down
Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistance
Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstruction
第1题：
Risk of collision may exist ______.
A.if the compass bearing of an approaching vessel does NOT appreciably change
B.even when an appreciable bearing change is evident, particularly when approaching a vessel at close range
C.if you observe both sidelights of a vessel ahead for an extended period of time
D.All of the above
第2题：
Approaching a anchorage in fog, you hear one short, one prolonged, and one short blast in that sequence on a ship’s whistle. This indicates ______.
A.A vessel towed
B.A vessel not under command and unable to maneuver.
C.A vessel anchored giving warning of her position.
D.A vessel stopped dead in the water.
第3题：
A. So did I.
B. It ‟s a small world!
C. Oh, my God!
D. Glad to see you, too!
第4题：
If you saw flames aboard a vessel but could see the vessel was not on fire, you would known that the ______.
A.crew was trying to get warm
B.vessel required immediate assistance
C.vessel was attempting to attract the attention of a pilot boat
D.vessel was being illuminated for identification by aircraft
第5题：
How would you pass a red buoy in the maritime buoyage system “A”?______.
A.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s port side when leaving
B.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s starboard side when leaving
C.keep the buoy on the vessel’s starboard side when approaching and leaving
D.keep the buoy on the vessel’s port side when approaching and leaving
第6题：
You are approaching another vessel and see that she has the signal flag "J" hoisted. What should you do?
A.Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargo
B.Attempt to call the vessel on VHF radiotelephone because she is requesting to communicate
C.Approach the vessel with caution because she is dragging her anchor
D.Proceed on present course and speed since the vessel is requesting a tug
第7题：
At sea you sight two red lights. This would indicate ______.
A.A vessel engaged in laying cable
B.A vessel not under command
C.A vessel launching and recovering aircraft
D.All of the above
第8题：
22．In the daytime， when you dive in the sea， you ________
A． can see everything green and blue
B． can- t be in danger
C． can catch nothing
D． can't see anything clearly
第9题：
If you do NOT understand the course or intention of an approaching vessel you should sound ___________.
A.one short blast
B.one prolonged blast
C.not less than five short blasts
D.not less than five prolonged blasts
第10题：
When vessel is on fire
When vessel is not under command
When vessel is carrying the dangerous cargoes
When vessel is restricted in her ability to maneuver