Which of the following shall not the officers in charge of the navigational watch do?（）

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

The ISM code is part of（）.

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

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

The company should establish and maintain procedures to control all documents and date which are relevant to（）.

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

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

What is it called when it is possible to ignite the vapour above the oil?（）

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