选拔备岗人员必须是拟备岗位下一级岗位的正式在岗人员，专业技能和工作表现突出。拟备值长、副值长（单元长）、集控主值班员岗位的人员需具备（）

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

会计工作岗位可以一人一岗、一人多岗或者一岗多人。

同样压力同等摩尔的气体，温度越高，气体积（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。