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

下列属于广谱半合成青霉素类的药物是

急性阑尾炎的患者首选抗生素是青霉素加链霉素。

急性阑尾炎的患者首选抗生素是青霉素加链霉素。

青霉素族的抗生素主要用于抗( )。

请说出下面这些主要天然抗生素的产生菌：青霉素、头孢菌素C、链霉素、庆大霉素、红霉素、四环素、螺旋霉素。

生物制品是利用天然资源和化学合成高度结合的药品，包括抗生素、生物制品，如青霉素、乙肝疫苗等。

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.

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。