单项选择题

Your vessel is anchored in an open roadstead with three shots of chain out on the port anchor.The wind freshens considerably and the anchor begins to drag.Which action should you take FIRST（）.

A.Drop the starboard anchor short with about one shot of chain
B.Sheer out to starboard using the rudder，then drop the starboard anchor with about four shots of chain
C.Put the engines slow ahead to help the anchor
D.Veer out more chain on the port anchor

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单项选择题

You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.

A.Towing
B.Engaged on pilotage duty
C.Aground in a fairway
D.Stopped and making no way through the water

单项选择题

You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.

A.Veer chain to the riding anchor
B.Heave to a shorter scope of chain on the riding anchor
C.Drop the second anchor at the extreme end of the yaw and veer the riding anchor
D.Drop the second anchor at the extreme end of the yaw，then adjust the cables until the scope is equal