A.on
B.by
C.in
D.for
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A.stop down
B.speed down
C.slow down
D.down slow
A.SOS，ZZZ，XXX
B.SOS，UUU，SSS
C.SOS，XXX，TTT
D.SOS，TTT，UUU
A.final topping off is occurring
B.first starting to receive fuel
C.hoses are being blown down
D.hoses are disconnected and being capped
A.at all times
B.during evening hours
C.unless another person is present
D.during drilling operations
A.shall
B.should
C.may
D.would
最新試題
In the International Code of signals，a group of three letters indicates（）.
Which statement is TRUE with respect to the elasticity of nylon mooring lines?（）.
Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?（）
I would be very much（）if you could arrange for a radio technician to come on board as soon as possible for my radar repair.
I hope you don’t mind（）the radar for us in a short time.
In order to prevent galvanic corrosion，an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?（）
Which term describes a part of a natural fiber line?（）
If passengers are on board when an abandon ship drill is carried out，they should（）.
Smoking in bed on a ship is prohibited（）.
Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）