A.fuel oil
B.sludge
C.oil refuse
D.All of the above
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A.Mayday
B.Pan
C.Safety
D.Interco
A.SOS sent three times
B.ten one-second dashes with a four-second interval between them
C.twelve four-second dashes with a one-second interval between them
D.twelve one-second dashes with a short interval between them
A.1.5 and greater
B.1.25 and greater
C.1.0 and greater
D.0.5 and greater
A.hold anchor
B.leave anchor
C.let go anchor
D.weigh anchor
A.reduce the length of the cable
B.pay out more anchor cable
C.back the engines
D.swing the rudder several times to work the anchor into the bottom
最新試題
What is normally used to pass a mooring line to a dock?（）
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
There is not（）depth of water around the area centered at the lighthouse.
What is the（）of the turning circle in mavoeuvring?
Which radiotelephone signal indicates receipt of a distress message?（）
What is the normal length of anchor cable used to anchor a vessel?（）
The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude（）.
The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word（）.
There is plenty of（）at this area.
To reduce mild fever the MOST useful drug is（）.