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

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

How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）

In the Northern hemisphere northerly winds may cause temperature（）.

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

The ISM code is part of（）.

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

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

According to the relevant regulation, lifeboat should be powered by（）.

A tide is called diurnal when（）.