单项选择题
We took usual steps:sounding the depth，reversing and stopping engine，paying out anchor and 60 fathoms of chain cable in the depth of 12 fathoms．The operation above is（）.
A.berthing B.searching C.anchoring D.picking up pilot
单项选择题 Wale shores would be used when drydocking a vessel with（）.
单项选择题 Vessels lying afloat at buoys for more than 24 hours should use anchor chain for（）and insurance wire for（）.
单项选择题 To ensure the best results during the Mediterranean moor，the chains should（）.
