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

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

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

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

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

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

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

The ISM code is part of（）.

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

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