A.every towing vessel of 16 feet or over in length while navigating
B.every vessel of 50 GT and upward，carrying one or more persons for hire
C.all aircraft operating on the water
D.every power-driven vessel of 20 meters and upward while navigating
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A.one and one-half times the length of a dot
B.twice the length of a dot
C.three times the length of a dot
D.four times the length of a dot
A.atmospheric noise and radiated power
B.the frequency band selected and time of day or night
C.interference and position of the moon
D.radiated power and nearness to shore
A.preferred-channel buoys
B.starboard- or port-side buoys
C.special marks
D.safe water buoys
A.You may enter fairway
B.You should enter fairway
C.ANSWER. It is permitted to enter fairway
D.You could enter fairway
A.I may enter fairway
B.I might enter fairway
C.INTENTION. I will enter fairway
D.I will probably enter fairway
A.as soon as practicable on leaving port
B.prior to departure
C.within 24 hours of departure
D.within 12 hours of departure
A.midnight
B.noon
C.beginning of the watch
D.any convenient time
A.to be informed
B.informed
C.on informing
D.informing
A.isn't he
B.doesn't he
C.hasn't he
D.didn't he
A.at
B.in
C.on
D.of
最新试题
Take tug’s towing line to（）.
The agent has probably already handed over you the stowage plan，（）.
Automatic identification systems (AIS) are required to（）.
When should the emergency position-indicating radiobeacon be activated after abandoning a ship?（）
Routine radio communications should be no more than（）.
The unit of duration of a dash in Morse Code is（）.
The range of a SSB transmission is MOST affected by（）.
To reduce the amount of catenary you may（）.
The Agent promised to keep me（）of how our business was going on.
She arrived at the anchorage last night and anchored（）berth.