閱讀下面短文,根據(jù)其內(nèi)容,完成表格中所缺的信息,并將答案填寫在答題卡的相應(yīng)位置（每空一詞）.

The picture suddenly freezes（卡頓） because the network speed is too slow when you're playing mobile games or making a video call. You always spend a long time downloading a movie on your phone.

Don't worry. 5G is coming! These annoying things will soon become a thing of the past because 5G network speeds will be offered to mobile phone users.

The "G" in "5G" stands for a generation of mobile network technology. 1G let us talk to each other,2G let us send messages,3G gave us mobile data and internet,and 4G made all of these things faster. So what will 5G bring?

First of all,5G is so fast that it will allow you to download an entire HD movie in seconds.The delay （延時） between sending and receiving data will be shortened.

Because of this increase in speed,it will be possible to create and use new kinds of technology. Robots will be used to do operations. Self-driving cars will be able to drive more safely because they can smoothly communicate with each other,traffic lights and road sensors（傳感器）. 5G also makes loT （物聯(lián)網(wǎng)） possible.

All in all,5G will shape every type of technology that it touches. And you won't have to wait too long for that to happen.

5G will change the 1. of our life

Generation

Network speeds

1-4G

IG let us talk to each other.

2G let us 2. messages.

3G gave us mobile data and the Internet.

All of these things were made more 3. by 4G.

5G

Robots will be used to do operations.

Self-driving cars will be able to drive more safely.

5G will make IoT 4..

We spend 5. time downloading a movie.

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