单项选择题
The strongest of the natural fiber ropes is（）.
A.Nylon
B.Dacron
C.Manila
D.Sisal
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相关考题
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单项选择题
The square knot is used for（）.
A.forming temporary eyes in lines
B.joining two lines of equal size
C.keeping line from unlaying or fraying
D.joining two lines of different size -
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
