阿拉伯人的科学成就包括（）

历史上第一所大学是创建于1158年的巴黎大学，第一个自然科学的学术组织是（）。

人民军队的历史性变革和历史性成就在于习近平（　　）的科学指引。

《历史的窗纸》是孟超史论性杂文的代表作，它从一个大学招考的历史试题谈起。

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。

在阿拉伯帝国时期，数学最伟大的成就是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。