单项选择题
At the end of mooring, sailors put the rat guard on the（） .
A.shackle B.moorings C.ball D.foremast
单项选择题 If the mooring order is “Get fenders ready fore and aft!”, the sailors fore and aft will （）.
单项选择题 （）leads at right angles to the center line from the stern to the shore.
单项选择题 A（） leads at right angles to the center line from the forecastle to the shore.
