单项选择题
Which statement is TRUE of a stiff vessel? （）
A.She will have a large metacentric height B.Her period of roll will be large due to her large metacentric height C.She will have an unusually high center of gravity D.She will pitch heavily
单项选择题 Which statement is TRUE concerning hawser towing? （）
单项选择题 Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）
单项选择题 Which statement concerning maneuvering in restricted visibility is FALSE?（）.
