A.shorter than the rowing oars
B.the same length as the rowing oars
C.longer than the rowing oars
D.unrelated to the length of the rowing oars
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A.along the turn of the bilge
B.along each side of the keel
C.near the top of the gunwale
D.at the bow and at the stern
A.safe speed only specified
B.not less than 120 feet per minute
C.not more than 120 feet per minute
D.not more than 90 feet per minute
A.remove them to fresh air
B.flush their face with water for about 5 minutes
C.stand them up and walk them around
D.remove their clothing and wrap them in blankets
A.wash the burned area with a warm soap and water solution
B.flood，bathe，or immerse the burned area in cold water
C.cover the burned area with talcum powder and bandag it cover the burned area with talcum powder and bandage it tightly
D.leave the burned area exposed to the atmosphere
A.yaw joint
B.sway joint
C.slip joint
D.flex or ball joint
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For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
Symptoms of sea sickness include（）.
Number 3 lifeboat would be（）.
Seawater may be used for drinking（）.
In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.
The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
On an oceangoing vessel，for each person a lifeboat (without desalting kits) is certified to carry，the boat must be supplied with（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
The grab rail of a metal lifeboat is normally located（）.
The most effective first aid treatment for chemical burns is to immediately（）.