“两官分途”是指我国公务员分为领导类公务员和非领导类公务员。

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.

纸票适用于（）的票务运作模式.

无形产品和劳务的电子商务模式主要有以下4种，即：网上订阅模式、付费浏览模式、广告支持模式和（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

车站工作卡用于车站站务人员为（　　）等凭相关证件免费乘车的人员开边门进出车站付费区。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

下列属于四类票务事故的是（　　）。