下面哪一位不是清华国学院四大导师：（）

“存在存在，非存在不存在”是下面哪一位的观点？（）

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。

下面哪一项是第一位的？（）

“吾爱吾师，吾更爱真理”是下面哪一位的观点？（）

精致证伪主义和“研究纲领方法论”是下面哪一位的成就：（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。