A.Speak English
B.Repair the unit
C.Speak Spanish
D.Send Morse code
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A.amend
B.repair
C.improve
D.clear
A.upon commencement
B.on completion
C.before ending
D.after beginning
A.faying
B.caulking
C.felt or canvas packing
D.red lead
A.master bushing
B.kelly slips
C.kelly bushing
D.rotary bushing
A.make underwater repairs to barges
B.determine if the air in a tank is safe for men
C.enter areas that may contain dangerous fumes or lack oxygen
D.resuscitate an unconscious person
最新試題
The equipment is very old．It’s not worth（）.
Rivets are usually made of（）.
The damaged derrick（）now.
The two factors which make underwater hull repair difficult are accessibility and the（）.
If your bridge-to-bridge radiotelephone ceases to operate，you must（）.
In comparison to electric power，hydraulic power for jacking systems has the advantage of（）.
The Loran needs（）.
No claim for constructive total loss based upon the cost of recovery and/or repair of the Vessel shall be recoverable hereunder unless such cost would exceed（）.
Please be advised that my radio transmitter broke down and needs（）.
Under the Vessel Bridge-to-Bridge Radiotelephone Act，failure of a vessel’s radiotelephone equipment（）.