back your engines
stop your engines and drift
answer with one prolonged blast
sound the danger signal
第1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2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3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4题：
if the compass bearing of an approaching vessel does not appreciably change
even when an appreciable bearing change is evident, particularly when approaching a vessel at close range
if you observe both sidelights of a vessel ahead for an extended period of time
All of the above
第5题：
Meeting
Overtaking
Crossing
Passing
第6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7题：
How often do you（）your brother?
第8题：
You are on international waters during a heavy rainstorm and hear a vessel sounding a fog signal of one prolonged blast followed by two short blasts． Which of the following could it be？Ⅰ．A vessel laying submarine cable making way．Ⅱ．A pilot vessel on station at anchor．
A.Ⅰ only
B.Ⅱ only
C.Either Ⅰ or Ⅱ
D.Neither Ⅰ nor Ⅱ
第9题：
stop your engines
sound two prolonged blasts of the whistle
sound the danger signal
slow to bare steerageway
第10题：
Reduce speed to bare steerageway
Stop your engines
Begin a radar plot
All of the above