在包过滤技术中,不能作为过滤依据的是()
A.源IP地址
B.传输层协议
C.目的端口
D.数据内容
参考答案:D
小汽车每秒行9米,6秒行多少米?
----I wonder why Mary is so unfriendly to us.
----She is _____ than unfriendly, I’m afraid.
A.shyer
B.much shyer
C.shy more
D.more shy