在马克思主义创立过程中，第一次比较系统地阐述了历史唯物主义基本原理的著作是（　　）。

口服补液及时纠正脱水，应用ORS，说法正确的是（）

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.

《共产党宣言》阐述了马克思主义政治学的许多基本原理，它包括（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

毛泽东以中国的实践经验为基础，运用马克思主义基本原理，全面阐述了社会主义社会的矛盾问题，并形成了比较系统的理论。主要内容：

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

下列选项中，正确表述了实践含义的是（）