such risk shall be deemed to exist
Such risk shall not be deemed to exist
You should keep your course and speed
You needn‟t take any action to avoid collision with any vessel
第1题：
You are running into danger,________.
A.shallow water ahead of you
B.submerged wreck ahead of you
C.risk of collision imminent
D.A,B,C are all right
第2题：
Especially in adverse weather, risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit?______.
A.Upwind
B.Downwind
C.Crosswind
D.Downcurrent
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：
第6题：
In determining if risk of collision exists， such risk may sometimes exist even when an appreciable bearing change is evident， particularly when approaching ________ ．
A.very large vessel
B.a long tow
C.a vessel at close range
D.all A，B and C
第7题：
In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.
A.stop your engines
B.sound the danger signal at two-minute intervals
C.hold course and speed until the other vessel is sighted
D.take avoiding action as soon as possible
第8题：
A、avoidance
B、transfer
C、mitigate
D、acceptance
第9题：
Upwind
Downwind
Crosswind
Downcurrent
第10题：
four vessels are nearby
a vessel has a steady bearing at a constant range
there is any doubt that a risk of collision exists
a special circumstance situation is apparent