What is 5 G？It is the fifth generation（代）of mobile network technology（移動網(wǎng)絡技術）.In the past life，1 G let us talk to each other.2 G let us send messages.3 G gave us the Internet.That means we can do more things.We can watch movies at home.We can read what we like without going to the library or book stores.And 4 G made all the things faster.4 G network is almost 50 times faster than 3 G.But what about 5 G？
    5 G+entertainment（娛樂）
    5 G network is about 100 times faster than 4 G.This means you can download（下載）a movie in seconds by using 5 G.What's more，virtual reality（VR，虛擬現(xiàn)實）games will become even more real with 5 G.
    5 G+smart homes
    5 G also makes IOT（物聯(lián)網(wǎng)）possible（可能的）.For example，when you get up ，you can have your breakfast at once .Because your bread maker can work by itself .And if the air is too dry，a smart sprinkler（灑水器）can water your plants by itself.
    5 G+transportation
    5 G also bring us safer self-driving cars.The cars don't need drivers to work .5 G will make self-driving safer than human （人） driving.

5 G	Something about the four generations（1） before before 5 G 1 G let us talk to each other. 2 G let us send messages. 3 G gave us the Internet. 4 G made all the things faster.	The uses of 5 G in many parts of people's life	5 G+entertainment 5 G network can work a lot faster than 4 G. ●5 G can make the game more real. ●5 G can make the time of downloading a movie much（2） shorter shorter .	5 G will be （5） faster faster ，smarter and more comfortable.
			5 G+smart homes It's possible to use 10 T. ●Your bread maker can prepare breakfast . ●A smart sprinkler can water your plants by （3） itself itself .
			5 G+transportation ●People will use self-driving cars.They can drive（4） themselves themselves . ●5 G will make self-driving safer than human （人） driving.