In telecommunications, 5G is the （1）generation technology standard forbroadband cellular networks. 5G networks are（2）cellular networks, for which the service area is divided into small geographical cells. All 5G（3）devices in a cell are connected to the Internet and telephone network by radio waves. The main advantage of the newnetworks is that they will have greater bandwidth, giving higher download speeds,eventually up to 10（4）Due to the increased bandwidth,it is expected the networks will increasingly be used as general internet service providers for laptops and desktop computers,competing with existing ISPs such as cable internet, and also will make possible new applications in internet of（5））（IoT）and machine to machine areas.

A

analog

B

digital

C

logical

D

physical

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答案：

B

在句子中提到了“5G是宽带蜂窝网络的第5代技术标准”，并且后面提到了“数字式蜂窝网络”，因此可以推断出正确答案是B，即digital（数字）。其他选项analog（模拟）、logical（逻辑）、physical（物理）都与句子的语境不符。