●In Internet, (66) used as a barrier to prevent the spread of viruses.(66)

13 查阅

●In Internet, (66) used as a barrier to prevent the spread of viruses.

(66) A.modom

B.firewire

C.firewall

D.netcard

参考答案:

C【解析】译文:网上使用防火墙作为阻止病毒传播的屏障。

软考初级