The distance a vessel moves parallel to the original course from the point where the rudder is put over to any point on the turning circle is called the（）.

单项选择题The distance a vessel moves at right angles to the original course，when a turn of 180°has been completed，is called the（）.

A.advance
B.pivoting point
C.tactical diameter
D.kick

单项选择题The best method to secure a towline to bitts is to（）.

A.take a round turn on the bitt farthest from the pull and use figure-eights
B.take a round turn on the bitt closest to the pull and use figure-eights
C.use figure-eights and take a round turn at the top of the bitts
D.use only figure-eights

单项选择题One of your crew members falls overboard from the starboard side. You should IMMEDIATELY（）.

A.apply left rudder
B.throw the crew member a life preserver
C.begin backing your engines
D.position your vessel to windward and begin recovery

单项选择题MOVING OF AN ANCHOR OVER THE SEA BOTTOM INVOLUNTARILY BECAUSE IT IS NO LONGER PREVENTING THE MOVEMENT OF THE VESSEL defines（）.

A.Dredging (of anchor)
B.Dragging (of anchor)
C.Weighing anchor
D.Walking out anchor

单项选择题Information on search and rescue procedures will be found in the（）.

A.World Port Index
B.International Code of Signals
C.Sailing Directions
D.Merchant Ship Search and Rescue Manual (MERSAR)