A.captain
B.capstan
C.capital
D.carpenter
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A.waiting
B.wait
C.waited
D.to wait
A.float
B.floating
C.floats
D.floated
A.waiting
B.awaiting
C.awaiting for
D.waited
A.must
B.ought to
C.have to
D.never
A.one minute
B.three minutes
C.five minutes
D.eight minutes
最新試題
That ship anchored too close()my vessel.
When communicating on the radiotelephone using plain English,what procedure word indicates the end of my transmission and that a response is necessary? ()
Routine radio communications should be no more than().
Automatic identification systems (AIS) are required to().
That ship arrived there()6 p.m.yesterday.
She arrived at the anchorage last night and anchored()berth.
The light rhythm of Morse (A) is shown on().
Ships are always()on water and they are easy to rust.
The range of a SSB transmission is MOST affected by().
When may the automatic identification system (AIS) be switched off? ()