A.stronger than during the summer months
B.weaker than during the summer months
C.drier than during the summer months
D.wetter than during the summer months
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A.north and increasing
B.north and decreasing
C.south and increasing
D.south and decreasing
A.opposite direction from which the fibers are twisted together to form strands
B.same direction the fibers are twisted to form strands
C.opposite direction from which the fibers are twisted together to form the line
D.opposite direction from which the fibers are twisted together forming cables
A.three shapes，the highest and lowest shall be red balls，and the middle shall be a white diamond
B.two black balls
C.three shapes; the highest and lowest shall be black balls，and the middle shall be a red diamond
D.three shapes; the highest and lowest shall be black balls and the middle shall be a black diamond
A.two balls in a vertical line
B.two diamonds in a vertical line
C.a single black ball
D.no shape is shown during the day
A.injured is unfit for duty
B.injured is able to return to work
C.injury results in loss of life only
D.injury is the result of misconduct
最新試題
Fire protection and manning regulations for towing vessels state that the Master or person in charge must ensure that all crew members who have not participated in the drills or received the safety orientation（）.
Each hand portable fire extinguisher on a ship must be marked with（）.
Fittings used for towing must be（）.
Each hose used for transferring vapors must（）.
During which condition should the operator of a pedestal crane shutdown operations?（）
Fire protection regulations for towing vessels allow all of these types of fuel piping，EXCEPT（）.
Fire may be spread by which means?（）
Each fire pump on a tanker must have a pressure gauge located at（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.