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

The mean draft of a ship is the draft（）.

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

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

（）is on the panel of radar.

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

Where would you find information about the time of high tide at a specific location on a particular day of the year?（）

Berthing means bringing a vessel to her berth until（）.

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

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