电子白板是将传统的黑板和计算机、网络、（）等多媒体结合在一起的一种现代教育技术。

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。

对网上商店的商品提供声音、影像等多媒体信息( )

WWW通过（）向用户提供多媒体信息，所提供信息的基础单位是网页，每一个网页可以包含文字、图像、动画、声音等多种信息。

www是Internet上的多媒体信息检索查询工具，它采用的基本技术是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。