A change of a documented vessel’s name can only be made by the（）.

A tonnage tax is levied according to the（）.

A ballasted vessel sinks enroute to a dry dock. Under these circumstances，the vessel’s owner can claim（）.

A “full service” Loran-C receiver will provide（）.

A block and tackle is “rove to advantage”. This means that the（）.

A “l(fā)oose” tow may cause all of the following EXCEPT（）.

A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.

A “fifteen-pound” CO2 extinguisher is so called because（）.

A buoy with a composite group-flashing light indicates a(n)（）.

A “bowline” is used to（）.