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网络发展到今天,已经遍布世界各地.作为一个生活在网络时代的现代人,你了解网络吗?你熟悉Internet、Intranet还有Ex-tranet吗? 你知道它们之间的区别和联系吗……
Today, the Internet has spread all over the world.As a modern person living in the Internet age, do you know the Internet? Are you familiar with the Internet, Intranet and Ex-tranet? Do you know the difference and connection between them?