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

（）is where the crew eat their meals.

A tide is called diurnal when（）.

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

The circulation around a low pressure center in the Northern Hemisphere is（）.

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（）.

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

When the wave period and the apparent rolling period are the same（）.

Before any loading takes place any signs of the previous cargo should do（）.