A copy of the Articles of Agreement，less the signatures，is required to be posted. This document is called the（）.

A celestial body will cross the prime vertical circle when the latitude is numerically（）.

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

A CO2 extinguisher on a ship which has lost 10% of its charge must be（）.

A continuous watertight bulkhead on a ship is normally also a(n)（）.

A crew member has suffered frostbite to the toes of the right foot. Which is NOT an acceptable first aid measure?（）

A chart position enclosed by a square is a(n)（）.

A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that（）.

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

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