A.shall
B.should
C.may
D.would
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A.of
B.to
C.on
D.with
A.to
B.on
C.of
D.for
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
最新試題
Where would you find the call sign or call letters of the radio station on your ship?（）
The winch is liable（）worn-out in this way.
Three SHORT BLASTS mean（）.
The ship will be（）demurrage soon.
The winch at Hatch No.3 is（）trouble.
The most likely time for oil pollution while bunkering is when（）.
Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
If passengers are on board when an abandon ship drill is carried out，they should（）.
Which term describes a part of a natural fiber line?（）
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?（）