be positive
be positive and made in ample time
be positive，made in ample time and with due regard to the observance of good seamanship
be positive，made in ample time，with due regard to the observance of good seamanship and avoiding complying with local regulations
第1题：
A stand-on vessel is ______.
A.required to give way in a crossing situation
B.required to sound the first passing signal in a meeting situation
C.free to maneuver in any crossing or meeting situation as it has the right-of-way
D.required to maintain course and speed in a crossing situation but may take action to avoid collision
第2题：
______is the speed of a vessel allowing time for effective action to be taken under prevailing circumstances and conditions to avoid a collision and to be stopped within an appropriate distance．
A.Safe speed
B.Economic speed
C.Proper speed
D.Navigation speed
第3题：
If it becomes necessary for a stand-on vessel to take action to avoid collision，she shall NOT，if possible，().
A.Decrease speed
B.Increase speed
C.Turn to port for a vessel on her own port side
D.Turn to starboard for a vessel on her own port side
第4题：
risk of collision exists
the other vessel will cross ahead of her
the other vessel is not taking appropriate action
collision cannot be avoided by the give-way vessel's maneuver alone
第5题：
Aware of
Clear of
In charge of
Interested with
第6题：
If at any time the officer in charge of the navigational watch is to be relieved when a manoeuvre or other action to avoid any hazard is taking place，______．
A.the relief of that officer shall be made prior to such action has been completed
B.the relief of that officer shall never be made
C.the relief of that officer shall be deferred until such action has been completed
D.the relief of that officer shall be made by the captain
第7题：
In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall __________.
A.sound the danger signal
B.when taking action, make only course changes
C.avoid altering course toward a vessel abaft the beam
D.All of the above
第8题：
Any action ______ collision shall，if the circumstances of the case admit，made in ample time and with due regard to the observance of good seamanship．
A.taking to avoid
B.taking to avoiding
C.taken to avoid
D.taken to avoiding
第9题：
anchor
to anchor
anchoring
to anchoring
第10题：
required to give way in a crossing situation
required to sound the first passing signal in a meeting situation
free to maneuver in any crossing or meeting situation as it has the right-of-way
required to maintain course and speed in a crossing situation but may take action to avoid collision