翻译：With Average or With Particular Average（WA or WPA）（）

《动物四篇》是苏格拉底的生物学著作，主要是介绍了不同生物的基本结构。

小鼠的主要生物学特征有哪些？

圆口类是脊椎动物亚门中结构最低等的一个纲，请分析哪些特征是原始和特化的结构？哪些结构是进步而又不完善？

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。

圆口纲是脊椎动物亚门中结构最低等的一个纲。（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。