远程登录网络设备的命令是().
A.PING
B.TELNET
C.TRACERT
D.IPCONFIG
参考答案:B
All of them were shaking______laughter.
A.over
B.through
C.with
D.by
常引起便血的结肠疾病是()
A.肠伤寒
B.Crohn病
C.肠结核
D.结肠息肉
E.急性肠炎