单项选择题
The original equilibrium position is stable when（）.
A.metacentric height is positive B.metacentric radius is positive C.KG exceeds maximum allowable limits D.free surfaces are excessive
单项选择题 A continual worsening of the list or trim indicates（）.
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（）.
