问题
单项选择题
A “bowline” is used to（）.
A.join lines of equal size
B.form a temporary eye (loop) at the end of a line
C.be a stopper
D.keep a line from fraying
答案
参考答案：B
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A “bowline” is used to（）.
A.join lines of equal size
B.form a temporary eye (loop) at the end of a line
C.be a stopper
D.keep a line from fraying
参考答案：B