单项选择题
In a following sea，a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course，you should（）.
A.use more right rudder B.use more left rudder C.increase speed D.decrease speed
单项选择题 If you are the stand-on vessel in a crossing situation，you may take action to avoid collision by your maneuver alone. When may this action be taken?（）.
单项选择题 If the towline parts，you should（）.
单项选择题 If the towing bridle legs are not of equal length（）.
