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
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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
A.repair
B.repaired
C.repairing
D.to repair
最新試題
The winch at Hatch No.3 is（）trouble.
Which mooring line has the least elasticity?（）
The winch is liable（）worn-out in this way.
If passengers are on board when an abandon ship drill is carried out，they should（）.
The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.
Where would you find the call sign or call letters of the radio station on your ship?（）
Which term describes a part of a natural fiber line?（）
The ship will be（）demurrage soon.
Smoking in bed on a ship is prohibited（）.
In battery charging rooms，ventilation should be provided（）.