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

The dew point temperature is（）.

ECDIS must be able to perform all of the following EXCEPT（）.

Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）

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

A tide is called diurnal when（）.

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

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

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

It is dangerous for vessels without the operational radar（）the estuary.