A.I am altering my course to starboard
B.I am altering my course to port
C.I am operating astern propulsion
D.I am operating ahead propulsion
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A.getting
B.to get
C.to have got
D.for getting
A.at
B.in
C.on
D.over
A.a blast of from five to seven seconds' duration
B.a blast of from five to six seconds' duration
C.a blast of from four to six seconds' duration
D.a blast of from six to seven seconds' duration
A.at
B.for
C.in
D.on
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B.by
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最新試題
The ship is not very stable，please（）when making a turn.
Which spoken emergency signal would you use to call a boat to come assist a man overboard?（）
Three SHORT BLASTS mean（）.
Good anchorage may be obtained anywhere in this water area，the bottom being generally mud and sand，vessel may have（）.
The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.
Where would you find the call sign or call letters of the radio station on your ship?（）
Proper use shall be made（）radar equipment if fitted and operational.
If passengers are on board when an abandon ship drill is carried out，they should（）.
The winch at Hatch No.3 is（）trouble.
The term PROLONGED BLAST refers to（）.