谈谈《五代史伶官传序》所运用的理论论据和事实论据，并说明其作用。

谈谈《五代史伶官传序》的中心论点和有关警句对我们有什么启迪作用。

谈谈《五代史伶官传序》第二段为例，说明作者是如何运用对比手法进行论证的。

《五代史伶官传序》中写到《书》曰指（）

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.

简述欧阳修《五代史伶官传序》的论证技巧。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。