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

this

B

thin

C

think

D

things

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答案：

D

根据题目描述，句子中提到的是“物联网（Internet of Things）”，这是一个专有名词，其缩写为IoT，所以空格处应填写“things”，表示物联网中的事物。因此，正确答案为D。