2. 外语
  3. Internet, a ______ of millions of computers linked world wide, is the largest system serving e-mail messengers.

Internet, a ______ of millions of computers linked world wide, is the largest system serving e-mail messengers.

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问题 Internet, a ______ of millions of computers linked world wide, is the largest system serving e-mail messengers.
选项 A、unity
B、connection
C、network
D、combination
答案C
解析 句意：由全球数以百万计的电脑连接成的因特网是提供电子信息传输服务的最大的网络。network意为“网络，网状系统”，符合题意；unity作“统一，团结”讲；combination则意为“结合，联合”；connection意为“连接，联系，关系”。因此C为正确选项。
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