单项选择题
For a floating vessel，the result of subtracting KG from KM is the（）.
A.height of the metacenter B.height of the righting arm C.height of the center of buoyancy D.metacentric height
单项选择题 For a vessel with transverse inclination，an increase in GMT causes（）.
单项选择题 For small angles of inclination，if the KG were equal to the KM，then the vessel would have（）.
单项选择题 In small angle stability，the metacentric height（）.
