单项选择题
A.directly astern and pushing the tow B.towing on a hawser C.towing alongside and parallel to the vessel it is towing D.towing on the hip
A tug is “in irons” when held in a fixed position by（）A...
单项选择题A tug is “in irons” when held in a fixed position by（）
A.the weight of its tow，its being anchored，or grounded B.the weight of its towing hawser on the bottom C.an adverse current D.lack of power or an engine breakdown
A tug in irons is（）.A.rudder boundB.being tripped by th...
单项选择题A tug in irons is（）.
A.rudder bound B.being tripped by the towline C.unable to maneuver D.broached
A tsunami is caused by a(n)（）.A.tidal waveB.storm surge...
单项选择题A tsunami is caused by a(n)（）.
A.tidal wave B.storm surge caused by a hurricane or tropical storm C.earthquake on the ocean's floor D.tornado
