单项选择题
A slow and easy motion of a vessel in a seaway is an indication of a（）.
A.small GM B.low center of gravit C.stiff vessel D.large GZ
单项选择题 A ship with the TCG off the longitudinal centerline inclines to an angle of（）.
单项选择题 A ship lists and trims about the（）.
单项选择题 A ship is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.
