全文搜索引擎通过（）到各个网站收集、存储信息。

电子商务员和助理电子商务师的培训教案编写原则包括（）。

网络营销的企业竞争是一种以（）为焦点的竞争形态.P电子商务师考试模拟试题

对电子商务师这个特定道工作岗位，（），热爱本职工作，这是电子商务师职业道德的一条主要规范。

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。

网络营销的企业竞争是一种以（）为焦点的竞争形态.P电子商务师考试模拟试题

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。