A.portable ventilation system
B.flame safety lamp
C.self-contained breathing apparatus
D.gas mask
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A.immerse the burn in cold water
B.administer aspirin
C.apply petroleum jelly
D.apply a bandage to exclude air
A.be safe if mixed with fresh water
B.prevent seasickness
C.dehydrate you
D.protect against heat cramps
A.acids or alkalies
B.diesel oil
C.acids，but not alkalies
D.alkalies，but not acids
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
最新試題
The lifeboat releasing gear lever should be marked with the words（）.
If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.
Sign(s) of respiratory arrest requiring artificial respiration is(are)（）.
The MOST important element in administering CPR is（）.
In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.
For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
The bottom row of plating next to the keel of a lifeboat is known as the（）.
The device that allows a floating ship to sway without bending the marine riser system is the（）.
Lifeboat hatchets should be（）.
The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.