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
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A.It causes minimal damage
B.It is safer for personnel
C.It is cheaper
D.It is most effective on a per unit basis
A.Grade A flammable liquid
B.Grade C flammable liquid
C.Grade D combustible liquid
D.Grade E combustible liquid
A.loss of pay during the period of such use
B.reprimand by the US Coast Guard
C.revocation of license or certificate
D.termination of employment
A.lower most continuous deck not broken by water tight bulkheads
B.after most weather deck above the main strength deck
C.upper or weather deck above the main strength deck
D.deck of light construction below the main or strength deck
最新試題
Cumulonimbus clouds are formed by（）.
Class I and II private aids to navigation in or along navigable waters of the United States are listed in the（）.
Chart legends printed in capital letters show that the associated landmark is（）.
Denebola is found in what constellation?（）
Compared to a low pressure system，generally the air in a high is（）.
Day-shapes must be displayed（）.
Dacron sails，when not in use，may be damaged if（）.
Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
Deneb is found in what constellation?（）
Commercial ships or other persons or agencies requiring the assistance of Canadian Coast Guard icebreakers should first contact（）.