媒体素材是传播教学信息的基本材料单元，教育部的《教育资源建设技术规范》将教育资源中的媒体素材又分为五大类（）、图形（图像）类素材、音频类素材、视频类素材、动画类素材。

常用的动画视频素材制作软件有Premiere、Video Studio、（）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.

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.

计算机的技术划代是以( )为依据的。

计算机技术的划代是以( )为依据的。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

一般根据文字素材在计算机中的存储和显示方式不同，可将文字素材分为（）和（）两类。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。