单项选择题
A.very little rudder B.some left rudder C.some right rudder D.full left rudder
In order for a vessel to be engaged in fishing she must...
单项选择题In order for a vessel to be engaged in fishing she must be（）.
A.underway B.using gear which extends more than 50 meters outboard C.using a seine of some type D.using gear which restricts her maneuverability
In ballasting to survival draft，while in transit，due to...
单项选择题In ballasting to survival draft，while in transit，due to extreme wind and wave loads，thrusters or propulsion，if available，should be used to（）.
A.reduce windward mooring tensions B.maintain vessel heading C.maximize accelerations D.increase speed of advance
In a following sea，a wave has overtaken your vessel and...
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
