A tide is called diurnal when（）.

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

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

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

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

Manoeuvring information can not be obtained from（）.

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?（）

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

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