单项选择题
A.Distress signal B.Urgency signal C.Safety signal D.None of the above
Which mooring line is likely to undergo the most strain...
单项选择题Which mooring line is likely to undergo the most strain when docking a ship under normal conditions?（）
A.Bow line B.Breast line C.Spring line D.Stern line
Which mooring line has the least elasticity?（）A.DacronB...
单项选择题Which mooring line has the least elasticity?（）
A.Dacron B.Nylon C.Esterlene D.Polypropylene
Which method of adjusting mooring lines is MOST useful ...
单项选择题Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
A.Crossing the spring lines B.Slacking all forward running lines while keeping all after running lines taut C.Doubling up on spring or breast lines D.Slacking bow and stern lines
