A.six months
B.one year
C.two years
D.thirty months
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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
A.seaplanes
B.non-displacement craft
C.barges
D.All of the above
A.comfortable
B.suitable
C.stable
D.favorable
A.length between the perpendiculars
B.length along the waterline
C.length overall
D.registered length
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Considering the general circulation of the atmosphere，the wind system between latitudes 30°N and 60°N is commonly called the（）.
Compared to internal structural plating，the exterior hull plating on a ship is usually（）.
Dacron sails，when not in use，may be damaged if（）.
Chart legends printed in capital letters show that the associated landmark is（）.
Day-shapes must be displayed（）.
Deck beams on a ship are generally spaced at equal intervals and run（）.
Compared to a low pressure system，generally the air in a high is（）.
Deneb is found in what constellation?（）
Denebola is found in what constellation?（）
Chart legends which indicate a conspicuous landmark are printed in（）.