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
Which method is used to detect rot in manila lines?（）
Which mooring line has the least elasticity?（）
Where would you find the call sign or call letters of the radio station on your ship?（）
The ship will be（）demurrage soon.
The winch is liable（）worn-out in this way.
Three SHORT BLASTS mean（）.
The winch at Hatch No.3 is（）trouble.
In battery charging rooms，ventilation should be provided（）.
The ship is now down（）head.
Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）