A.to
B.on
C.of
D.for
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A.urgency or an emergency
B.the vessel's national identity signal
C.a group from the general signal code
D.a group from the medical signal code
A.Hard rubber
B.Canvas
C.Leather
D.Sponge rubber
A.at the lowest point
B.near the batteries
C.at the highest point
D.only when charging is in progress
A.take part
B.watch
C.go to their quarters
D.stay out of the way and do what they want
A.obliged
B.obliging
C.oblige
D.being obliged
最新試題
Which statement is TRUE about nylon line?（）
Proper use shall be made（）radar equipment if fitted and operational.
In the International Code of signals，a group of three letters indicates（）.
Smoking in bed on a ship is prohibited（）.
To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.
Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
Which statement is TRUE concerning radiotelephones on board towing vessels?（）
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.
Which may ignite fuel vapors?（）