问题 选择题

下列各组词语中加线的字,注音全都正确的一组是(   )

A.(yīn)缘(mái)怨(cuàn)夺(duō)咄逼人、

B.纰(móu)未(suì)离(jiàn)(chǔ)境艰难

C.专(hèng)(guān)冕(qiāng)害所向披(mǐ)

D.(zhì)序挖(jué)(zhēng)结向(ǒu)而泣

答案

答案:C

题目分析:A“埋”读mán;B“缪”读miù;D“隅”读yú。

点评:本题每一个选项中加点的字都是常见易读错的字,有多音字,有形声字,有形近字,针对命题特点,只要平时多注意积累,勤查字典,问题就可迎刃而解。要准确识记语音,一是要把词语的形音义结合起来,音随形或义变;二是抓住重点难点多练习,在练习中纠错;三是做有心人,平常碰到把握不准的读音多查字典,做好积累工作。

单项选择题

在一台Cisco路由器上执行show access-lists命令显示如下一组信息
Extended IP access list port4444
permit icmp 202.38.97.0,wildcard bits 0.0.0.255 any
deny icmp any any
deny udp any any eq 1434
deny tcp any any eq 4444
permit ip any any
根据上述信息,正确的access-list的配置是()

A.Router(config) # ip access-list extended port4444
Router(config-ext-nacl) # deny icmp any any
Router(config-ext-nacl) # deny udp any any eq 1434
Router(config-ext-nacl) # deny tcp any any eq 4444
Router(config-ext-nacl) # permit icmp 202.38.97.0 0.0.0.255 any
Router(config-ext-nacl) # permit ip any any

B.Router(config) # access-list port4444 permit icmp 202.38.97.0 0.0.0.255 any
Router(config) # access-list port4444 deny icmp any any
Router(config) # access-list port4444 deny udp any any eq 1434
Router(config) # access-list port4444 deny tcp any any eq 4444
Router(config) # access-list port4444 permit ip any any

C.Router(config) # ip access-list extended port4444
Router(config-ext-nacl) # permit 202.38.97.0 0.0.0.255 any icmp
Router(config-ext-nacl) # deny any any icmp
Router(config-ext-nacl) # deny any any udp eq 1434
Router(config-ext-nacl) # deny any any tcp eq 4444
Router(config-ext-nacl) # permit ip any any

D.Router(config) # ip access-list extended port4444
Router(config-ext-nacl) # permit icmp 202.38.97.0 0.0.0.255 any
Router(config-ext-nacl) # deny icmp any any
Router(config-ext-nacl) # deny udp any any eq 1434
Router(config-ext-nacl) # deny tcp any any eq 4444
Router(config-ext-naci) # permit ip any any

多项选择题