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
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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（）.
Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to（）.
Each fire pump on a tanker must have a pressure gauge located at（）.
During the course of a voyage，a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident，Injury or Death if the（）.
Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.
During oil transfer operations，who is responsible for ensuring that the posted transfer procedures are followed?（）
Each life preserver must be readily accessible to the person for whom it is intended while he or she is（）.
Fire protection regulations apply to those towing vessels（）.
Fire dampers prevent the spread of fire by（）.
Each hand portable fire extinguisher on a ship must be marked with（）.