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
I hope you don’t mind（）the radar for us in a short time.
The term PROLONGED BLAST refers to（）.
Which may ignite fuel vapors?（）
The ship is now down（）head.
Which mooring line has the least elasticity?（）
In battery charging rooms，ventilation should be provided（）.
Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.
Where would you find the call sign or call letters of the radio station on your ship?（）
Keep clear（）the buoy.
The winch at Hatch No.3 is（）trouble.