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。

商务市场调查主要针对市场的供求关系、消费者对产品需求的变化，以及发展趋势进行准确调查和科学预测。

实行消费者固定样本调查，要求在连续调查过程中（）。

实行消费者固定样本持续调查，要求在连续调查过程中（）

行消费者固定样本持续调查，要求在连续调查过程中（）

调查计划主要是根据研究市场变化所需的问题和要求确定具体的调查方法和进行抽样设计。研究消费者行为所需进行的调查，在大多数情况下都是采用全民普查的方法，即每个消费者都作为样本来调查。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。