计算机网络是计算机技术和通讯技术有机结合的产物。()
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Arrive five to ten minutes late, but never early.Your host or hostess may still be getting ready.(翻译)
The original inhabitants of the United States were the native American Indians.Today
At any given moment, about one out of every eight people has a cold.(翻译)
所谓互联网,指的是同种类型的网络及其产品相互联结起来。()