A.bora
B.gust
C.gregale
D.floe
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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
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
A.Both vessels must be power-driven
B.They must be meeting on reciprocal or nearly reciprocal courses
C.The situation must involve risk of collision
D.All of the above
A.in a crossing situation
B.in a meeting situation
C.when they are the overtaking vessel
D.on the inland waters of the PR China
A.velocit in knot
B.irection from which it flows
C.estimated current
D.direction toward which it flows
最新試題
Manoeuvring information can not be obtained from（）.
Bales close to the deckhead should be covered to prevent（）.
Before any loading takes place any signs of the previous cargo should do（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Which of the following is not a form of precipitation?（）
ECDIS must be able to perform all of the following EXCEPT（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
A tide is called diurnal when（）.
The mean draft of a ship is the draft（）.