单项选择题
The moment of a force is a measure of the（）.
A.turning effect of the force about a point B.instantaneous value of the force C.stability characteristics of the vessel D.center of gravity location
单项选择题 The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
单项选择题 The important initial stability parameter，GM，is the（）.
单项选择题 The greatest effect on stability occurs from loose liquids flowing（）.
