单项选择题
Mind your head .I am dropping the（） now!
A. heavy line B. heaving line C. head line D. wire rope
单项选择题 If the freeboard is more than 9 meters, we should rig（）.
单项选择题 The pilot boat took the pilot （）the ship.
单项选择题 If the freeboard is less than 9 meters, we should rig（）.
