一般的防火墙不能实现以下哪项功能()
A.隔离公司网络和不可信的网络
B.防止病毒和特络依木马程序
C.隔离内网
D.提供对单点的监控
参考答案:B
He doesn’t drive a car ______ his brother.
A.as good as
B.as well as
C.as better as
D.as best as
填最简分数:45分钟=______小时.