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。

商法规范对象的（）特征是开展经济分析的客观前提。

经济学的三个经济基本问题：生产什么、如何生产、如何分配。

经济学的三个基本问题是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

中国经济在新常态下有三个主要特征，下列不属于这三个特征的是（）。

布尔逻辑具体检索时，是通过三个布尔运算符来实现其功能的：AND、OR、（）。