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（）.
单项选择题 The rolling hitch could be used to（）．
单项选择题 The only wire rope termination which may be made in the field is（）.
