A.of
B.to
C.on
D.with
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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
A.take part
B.watch
C.go to their quarters
D.stay out of the way and do what they want
最新試題
In battery charging rooms，ventilation should be provided（）.
Which method is used to detect rot in manila lines?（）
Keep clear（）the buoy.
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?（）
In the International Code of signals，a group of three letters indicates（）.
Which spoken emergency signal would you use to call a boat to come assist a man overboard?（）
The ship will be（）demurrage soon.
Proper use shall be made（）radar equipment if fitted and operational.
Three SHORT BLASTS mean（）.
Which statement is TRUE with respect to the elasticity of nylon mooring lines?（）.