营养是指人体（）和利用食物中的营养物质，以满足机体生理需要的生物学过程。

《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。

实验动物学是进行动物实验和研究实验动物的一门科学。

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。

原生动物中各纲在水体自净和污水生物处理中如何起指示作用？

“将所学知识的各部分重新组合，形成一个新的知识整体”，在布鲁姆的认知领域，属于（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。