The largest system serving e-mail messengers is the Internet, a______ of millions of computers linked worldwide.

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问题 The largest system serving e-mail messengers is the Internet, a______ of millions of computers linked worldwide.

选项 A、unity
B、combination
C、network
D、connection

答案C

解析 network原指一种“网状系统”,广播网,电视网等,这里指计算机网络:unity意为“团结,联合,统一,一致”; combination 意为“结合:联合:合并”,如:His character is a combination of strength and kindness.他的性格是刚与柔的结合。connection意为“连接,连结:联系”,如:The television isn’t working,is there a loose connection? 电视机坏了,有没有哪一点接线不紧?
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