单项选择题
When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）
A.Excessive pitching B.Excessive yawing C.Excessive rolling D.No change should be evident
单项选择题 When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.
单项选择题 When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.
单项选择题 When preparing a ship for heavy weather，fuel oil day tanks should be（）.
