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[单选题]
The RGB value is composed of components.()
A.One
B.two
C.three
D.Four
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.One
B.two
C.three
D.Four
A.00 */1 * * * ping www. baidu. com
B.* */1 * * * ping www. baidu. com
C.*/5 * * * * ping www. baidu. com
D.00 * */1 * * ping www. baidu. com
下面一组均是可执行文件扩展名的应是()。
A.COM、EXE、BAT
B.TXT、BAT、EXE
C.SYS、COM、EXE
D.BAS、BAT、COM