问题
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A computer ()allows users to exchange date quickly,access and share resourcesA.deviceB.ne
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●The firewall device is a(75)system for connecting a computer network to other computer ne
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With computer users linked to the internet growing ()every year, business is trying to c
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According to the author, what would parents eventually do with a sleepless, troublesome ne
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In the passage, the author intends to______.A.talk about the positive effects of social ne
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How iPads syncs with computes?A.The iPad allows users to purchase and download songs fro