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
最新試題
The following（）is a standard phrase.
The range of a SSB transmission is MOST affected by（）.
Automatic identification systems (AIS) are required to（）.
When may the automatic identification system (AIS) be switched off? （）
When communicating on the radiotelephone using plain English，what procedure word indicates the end of my transmission and that a response is necessary? （）
Free communication effect is in direct proportion to（）.
Sorry to have kept you（）for a long time.
The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?（）
Routine radio communications should be no more than（）.
The Departure Report，required by vessels participating in AMVER，must be sent（）.