单项选择题
The rope which is the lightest is（）.
A.manila
B.nylon
C.polypropylene
D.dacron
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单项选择题
The rope which is rove from the truck to be used with a bos’n chair is called a（）.
A.gantline
B.life line
C.strop
D.whip -
单项选择题
The rolling hitch could be used to（）.
A.join two lines of different sizes
B.join two lines of equal sizes
C.add strength to a weak spot in a line
D.act as a stopper to transfer a line under strain -
单项选择题
The purpose of a devil’s claw is to（）.
A.act as a chain stopper
B.prevent the windlass from engaging
C.prevent the chain from fouling on deck
D.control the wildcat
