单项选择题

Lines passed around the falls to hold the boat while passengers are boarding are（）.

A.life lines
B.frapping lines
C.tricing lines
D.tripping lines

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单项选择题
Life preservers should be stowed in（）.

A.the forepeak
B.messrooms
C.convenient protected topside locations
D.locked watertight containers
单项选择题
Life jackets should be marked with the（）.

A.maximum weight allowed
B.stowage space assigned
C.vessel's home port
D.vessel's name
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