When steering by autopilot,how often should the steering be checked?（）

Full details of all lights and fog signals are shown on（）.

Which of the following is not a form of precipitation?（）

Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.

（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.

The company should establish and maintain procedures to control all documents and date which are relevant to（）.

What is a CORRECT reply to a pilot’s request, How’s your heading?（）

The dew point temperature is（）.

Shipboard Emergency Drills must be carried out at least（）on board cargo ship.

（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.