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  • 1. (2019九上·新乡月考) 阅读短文,从方框中选择适当的词并用其正确的形式填空,使短文通顺、意思完整。请每空限填一词,每词限用一次。方框中有两项多余的。

    area    one    because    fast    reduce    problem    on    big    in    make    your    if

        China is racing to build a nationwide 5G network. The first 5G video call wason a Huawei Mate X phone on March 30, CGTN reported. Shanghai is thecity in China to start a test run of 5G networks.

        About 100 timesthan 4G networks, 5G will allow people to download (下载) and upload data (数据) faster than ever. It will also be used in other.

        Self-driving cars may be one of the changes. Today's self-driving cars have one. When the car "sees" an obstacle (障碍), it sends the information to a data center and waits for instructions (指令). The car will crash it doesn't receive instructions in time. 5G networks willthe time it takes and make the cars safer, CNN noted.

        5G could also power the Internet of Things (loT). This refers to (指的是) a much larger online network that connects everything and everyone. Very fast Internet speeds are the key to realizing it. For example, with loT,fridge could order eggs online when it notices that there are no eggs left inside.

        China's first 5G police station was recently shown in Bao'an district in Shenzhen.  China Mobile Communication Corporation (CMCC) made Xiamen's first 5G video call April 27, bringing the city into the time of 5G.

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