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（）.

单项选择题Wale shores would be used when drydocking a vessel with（）.

A.tumble home
B.excessive deadrise
C.excessive trim
D.a list

单项选择题Vessels lying afloat at buoys for more than 24 hours should use anchor chain for（）and insurance wire for（）.

A.bow mooring／stern line
B.forward spring／after spring
C.forward breast rope／forward spring
D.slip rope／stern line

单项选择题To ensure the best results during the Mediterranean moor，the chains should（）.

A.be crossed around the bow
B.tend out at right angles to the bow
C.tend aft 60°from each bow
D.tend forward 30°on either bow

单项选择题There are two classes of vessels which，to the extent necessary to carry out their work，do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel（）.

A.engaged in fishing in a traffic lane
B.servicing a submarine cable
C.towing another
D.engaged on pilotage duty

单项选择题The ship is moored（）buoys.

A.of
B.on
C.alongside
D.to