单项选择题
In most cases,when a large merchant vessel enters shallow water at high speed the().
A.maneuverability will increase B.speed will increase C.bow will squat farther than the stern D.vessel will rise slightly,on a level plane
单项选择题 If the situation arose where it became necessary to tow a disabled vessel,which statement is TRUE concerning the towing line?().
单项选择题 If a tow sinks in shallow water,you should().
单项选择题 Ice blink is().