当今世界上最大的公关服务网络是美国的（）

（）是世界上最大的信息网络。

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.

目前世界上最大的计算机互联网络是（）

Internet是世界上规模最大、用户最多的计算机互联网络。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

Internet是当今世界上最大的网络，更确切地说，是网络的网络。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。