单项选择题
A.anchor using both anchors
B.anchor with scope of 8 or more to 1
C.use a stern anchor
D.fit a crown strap and work wire to the anchor
单项选择题 You are mooring to a buoy．You should approach the buoy with the current from（）.
单项选择题 You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you，what should you do（）.
单项选择题 You are landing a single-screw vessel，with a right-hand propeller，starboard side to the dock.When you have approached the berth and back the engine，you would expect the vessel to （）.