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。

统计分组是根据研究的任务的需要，按照某种分组变量将统计总体分为若干组成部分。（）

统计分组是根据研究均的（）特点，按照某种分组标志将统计总体分为若干组成部分。

统计分组是根据研究的任务的需要，按照某种分组变量将统计总体分为若干组成部分。（）

统计分组是根据统计研究任务的要求和现象总体的内在特点，把统计总体（）划分为若干性质不同又有联系的几个部分。

统计分组是根据统计研究任务的要求和现象总体的内在特点，把统计总体按照某一标志划分为若干性质不同又有联系的几个部分。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。