单项选择题
A continual worsening of the list or trim indicates（）.
A.negative GM B.progressive flooding C.structural failure D.an immediate need to ballast
单项选择题 A floating vessel will behave as if all of its weight is acting downward through the（）.
单项选择题 A serious loss of reserve buoyancy resulting from flooding any compartment of a ship will always（）.
单项选择题 A vessel’s KG is determined by（）.
