题组训练2 阅读理解+完形填空+语篇填空+补全对话-2021-2022学年九年级【英语进阶阅读】(人教版 河南专用)

10)英语进阶阅读·九年级 B 题目:5G网络 体裁:说明文建议用时5分钟 评价 Your Internet experience is ruined when the net speed is too slow-it takes so long to open a web page and the show you re watching stops every few minutes But it could be a thing of the past. Major telecom carriers(电信运营商) will start to provide5 G services in China. What is 5G? The"G in5G refers to the generations of mobile network technologies. 1G let us talk to each other, 2G let us send messages, 3G gave us mobile data and the Internet, and 4G made all of these things faster Now 5G promises much faster speeds, and more stable(13 FH)connections. This means that you will be able to download an entire HD movie in seconds and only experience a short delay( z af ) between sending and receiving data What changes will 5g bring us? According to the Straits Times, 5G will be able to improve many advanced technologies. With a short delay in information exchange will allow driverless cars to run more safely, as they will be able to communicate in real time and avoid probable dangers. Meanwhile, 5G-enabled wearable products will keep doctors in touch with their patients and warn them immediately if there s something wrong. Besides, Vr games will become more popular with 5G. The short delay of 5G will make the games feel even more real Does 5G have any disadvantages? 5G is not perfect. For one thing, 5G will not" travel"far. On 4G networks, you can be 10 kilometers away from the nearest transmission base(传输基地).But5 G will only cover about300 meters meaning that we will need more transmitters so that we can get signals And in order to use 5g we will have to buy new products specifically designed for 5G that are now expensive 根据材料内容选择最佳答案。 )1. what does the underlined word"ruined"in Paragraph 1 mean in Chinese? 丰富 B.破坏 C.期待 提高 2. What can't we do with 5g? A Experience more stable network connections. B. Drive safely C Make vr games more popular D. Download a hd movie in seconds )3. What can we infer from the passage A Fewer transmissi