单项选择题
Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
A.Chain B.Wire rope C.Webbing D.All of the above
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（）.
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（）.
