单项选择题
A.becket B.loop C.swivel D.eye
A metal object on the pier resembling a tree stump and ...
单项选择题A metal object on the pier resembling a tree stump and made to receive mooring lines is a（）.
A.bight B.bollard C.chock D.camel
A metal eye spliced into a wire is called a（）.A.cyclops...
单项选择题A metal eye spliced into a wire is called a（）.
A.cyclops B.fish eye C.thimble D.chip
A ketch is a sailing vessel with（）.A.one mastB.two mast...
单项选择题A ketch is a sailing vessel with（）.
A.one mast B.two masts: with the mizzen stepped abaft the rudder post C.two masts: with the mizzen stepped forward of the rudder post D.two masts: a foremast and a mainmast
