计调工作要求计调工作人员在工作中应该（　　）。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

计调在对原计划进行调整时，应遵循以下原则（）

计调在变更后的采购所用中“飞机改火车（尽量利用晚间，但距离不宜过长）”符合计调在对原计划进行调整时，遵循宾客至上的原则。

一般工程设计变更是指除重大工程设计变更和较大工程设计变更以外的其它设计变更，具体划分为A类变更、B类变更和C类变更三类，下列哪些情形属于A类变更？（）。