“知之为知之，不知为不知，是知也。”这句话告诉我们，在学习上一定要培养（）的优良学风。

孔子说：“君子喻于义，小人喻于利。”这句话主要是在探讨（）。

“知之为知之，不知为不知，是知也。”句中的最后一个“知”指的是智慧。

五代宋元时期，产生了具有总结性的三部通史巨著，下列不属于通史巨著的是（）。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

我国历史上第一部编年通史著作是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。