试题的层次参数使试题具有了（），提高了试题资源的有效价值。

试题的层次参数使试题具有了可对比性，提高了试题资源的有效价值

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。

地下水资源划分为（）三类

地下水水质指标可划分为（）。

首次将伦理学划分为“规范伦理学”与“分析伦理学”的学者是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。