Children need to be allowed to express their ________.
A. individuality
B. individual
C. character
D. characteristics
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Our parents are always a bit concerned ________ our health.
A. about
B. with
C. to
D. for
Their economy has declined, while ours, ______ has expanded.
A. similarly
B. by contrast
C. on the other hand
D. otherwise
RIP路由协议依据什么判断最优路由（ B ）。
A. 带宽
B. 跳数
C. 路径开销
D. 延迟时间
下面那条命令用于检验路由器发送的路由信息（ ）。
A. Router(config-router)
B. show route rip
C. Router(config)
D. show ip rip
E. Router
F. show ip rip route
G. Router
H. show ip route
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