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

The helm command PORT TWENTY means（）.

（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.

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

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

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

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

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

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

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