问题
单项选择题
A “sheepshank” is used to（）.
A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line
答案
参考答案：D
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A “sheepshank” is used to（）.
A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line
参考答案：D