单项选择题
Which knot should be used to send a man over the side when he may have to use both hands（）.
A.Bowline B.French bowline C.Bowline on a bight D.Running bowline
单项选择题 Which knot reduces the strength of a line by the LEAST amount（）.
单项选择题 Which item is NOT required to be marked with the vessel’s name（）.
单项选择题 Which is standing rigging（）.
