题目内容
打开一个指定文档,其实质是( )。
查看答案
搜索结果不匹配？点我反馈
更多问题
In a computer, the( )is the part that processes all the data and makes the computer work.
A( )is a computer system or program that automatically prevents an unauthorized person from gaining access to a computer when it is connected to a network such as the Internet.
A fault in a machine, especially in a computer system or program is called( )。
The ( ) is a set of programs that controls the way a computer works and runs other programs.
微信支付 
支付宝支付