China is running ahead in 5G . In March, 2019, the Shanghai Hongqiao Railway Station became world's first "5G railway station". Now, it takes only 20 seconds to download a long movie there.
We are moving closer and closer to the 5G world. However, the new technology is still strange to most of us. What is 5G, after all? At first, 5G is fast. 5G will be much faster than today's 4G networks!
The first 5G modem（猫，调制解调器）of the IT company Qualcomm supports speeds of up to 5 Gigabytes（千兆字节）per second. Most of us have never experienced anything close to that speed. And we are only talking about the first generation（一代）of 5G modems, Future models are likely to be even faster.
But 5G is not all about speed. Have you ever been to a large event where your data (数据)connection slowed down? That is because 4G networks can only support a certain number of devices(设置) per square meter. 5G networks will be able to do much better. They can support up to a million devices(设置) per square kilometer.
Now, you begin to understand why 5G is a huge change over 4G. The technology is not Just for the smartphones. It has a strong influence(影响) on every connected device. With 5G, self-driving cars will be able to communicate with the world around them as quickly as possible. Wearables, Pcs and smart home devices will be able to improve as well.
Are you looking forward to that 5G world now?
1.Each of the following is mentioned about 5G EXCEPT
A.the first place where 5G is used in the world
B.the speed of using 5G to download
C.the country that runs ahead in 5G
D.the way of 5G spreading
2.Paragraph 4 shows the advantages of 5G by_________
A.using different advice
B.comparing 5G with 4G
C.some data of 5G networks
D.the condition of different areas
3.How many fields of using 5G does the passage tell us?
A.Three. B.Four C.Five D.Six.
4.From the passage, which of the following is WRONG?
A.5G technology is closer and closer to us.
B.5G self-driving cars will be cheaper than any other cars.
C.IT company Qualcomm produced the first generation of 5G modems,
D.5G networks can support up to a million devices every square kilometer.
5.What's the best title for the passage?
A.What's 5G? B.How is 5G used?
C.Is 5G good or bad? D.How's the future life?
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根据材料内容简要回答下列问题。
1.How many people are there in Minnie’s host family?
________________________________________
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________________________________________
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________________________________________
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________________________________________
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________________________________________
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