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第1题

Videodisc and laser technology provide the ability to_________ A.cost more B. create some education files C. enhance
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第2题

With Internet Explorer and an Internet connection, you can search for and view information on the _________ . A.Active
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第3题

Two common applications of LANs are _________ resource sharing and information resource sharing. A. software B. comput
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第4题

When a _________ is used, all the devices in the network are connected to a single cable. A.bus network B.ring network
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