A.length and width of space
B.length of space only
C.width of space only
D.neither length nor width
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A.concealed to prevent mechanical damage
B.concealed so the boat can be maintained more easily
C.protected from the weather
D.in an accessible place behind the ceiling
A.overtake
B.not overtake
C.overtake or not
D.decide if you should overtake
A.one month
B.four months
C.six months
D.one year
A.provide safety-related information automatically to shore stations，other vessels and aircraft
B.receive safety-related information automatically from similarly equipped vessels
C.exchange safety-related information with shore-based facilities
D.All of the above
A.navigation status
B.ship's heading
C.port of origin
D.time stamp
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By regulation，you MUST keep a record of the use of your radiotelephone for at least（）.
Tell me（），please.
Routine radio communications should be no more than（）.
The light rhythm of Morse (A) is shown on（）.
When communicating on the radiotelephone using plain English，what procedure word indicates the end of my transmission and that a response is necessary? （）
Which of the following statements is TRUE regarding automatic identification systems (AIS) ?（）
To reduce the amount of catenary you may（）.
The following（）is a standard phrase.
Shall we（）wait at the roadstead till there is a free berth for us?
That ship anchored too close（）my vessel.