翻译：With Average or With Particular Average（WA or WPA）（）

简述布尔算符（OR）的作用。

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.

简述植物线虫的外部形态和内部结构。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

简述细菌的致病机理。

简述病毒的致病机理

简述线虫的致病机理。

简述农学（广义、中义、狭义）的含义。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。