A.acids or alkalies
B.diesel oil
C.acids，but not alkalies
D.alkalies，but not acids
您可能感興趣的試卷
你可能感興趣的試題
A.without losing the rhythm of respiration
B.only with the help of two other people
C.by not stopping the respiration for more than 5 minutes
D.at ten-minute intervals
A.directly under the boom
B.moving away from the boom
C.stopped dead in the water
D.tied to the boom
A.hoist man
B.limit switch
C.brake handle
D.preventer bar
A.is
B.is to be
C.will be
D.being
A.with puncture wounds
B.when all other means have failed
C.when the victim is unconscious
D.to prevent bleeding from minor wounds
最新試題
Seawater may be used for drinking（）.
The MOST important element in administering CPR is（）.
Lifeboat hatchets should be（）.
The FIRST treatment for a surface burn is to（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
The lifeboat releasing gear lever should be marked with the words（）.
The danger associated with using carbon dioxide in an enclosed space is（）.
The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.
On an oceangoing vessel，for each person a lifeboat (without desalting kits) is certified to carry，the boat must be supplied with（）.
Symptoms of heat stroke are（）.