CD-ROM既可代表CD-ROM光盘，也可指CD-ROM驱动器。

CD光盘片根据其制造材料和信息读写特性的不同，可以分为CD-ROM、CD-R和CD-RW。CD-R光盘指的是（）

DVD-ROM光盘与CD-ROM光盘比较，（）。

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。

通过读优盘、光盘(CD-ROM)及各种移动存储介质感染______。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

将光盘CD-ROM（hdc）安装到文件系统的/mnt/cdrom目录下的命令是（　　）。