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

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

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

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

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

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

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

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

（）is on the panel of radar.

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