Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.

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

Bales close to the deckhead should be covered to prevent（）.

The loading of the ship must be done in accordance with（）.

A tide is called diurnal when（）.

The helm command PORT TWENTY means（）.

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

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

Fog is likely to occur when there is little difference between the dew point and the（）.

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