单项选择题
A stay is（）.
A.standing rigging B.a downhaul C.a halyard D.a jib
单项选择题 A spring line leads（）.
单项选择题 A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.
单项选择题 A single heavy wire made up for the topping lift is called a（）.
