题目内容

_____ programs make copies of files to be used in case the originals are lost or damaged.

A. File compression
B. Disk defragmenter
C. File history
Disk cleanup

查看答案

搜索结果不匹配？点我反馈

更多问题

In a virtualized environment, the operating system of each virtual machine is known as the _____ operating system.

A. host
B. client
C. home
D. guest

_____ programs guard your computer system against viruses or other damaging programs that can invade your computer system.

Antivirus
B. Disk defragmenter
C. File history
Disk cleanup

简述如何引导学生调节消极情绪？

简述情绪产生的心理机制？