阅读下面的短文,并根据短文后的要求答题。(请注意问题后的词数要求)
Your Internet experience makes you sad when the net speed is too slow. It ①________so long to open a web page, and the show that you’re watching stops every few minutes. That can be very annoying (令人气恼的) .But 5G can solve these problems.5G technology is used widely now. What influence will 5G really have on our lives?
The“G” in “5G”means the generations (代) of mobile network technologies. 1G means the first generation. It 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. With 5G you can download an HD movie in seconds, send and receive data almost without stopping.
5G is able to improve many advanced technologies, such as driver less cars. With a 5G network, almost no stopping in information exchange will allow driver less cars to run more safely, as they will be able to communicate in real time and avoid dangers. At the same time VR games (虚拟现实游戏) will become more popular with 5G because it can make games feel even more real.
②_________5G will make our lives more convenient, it will not be perfect. For one thing, 5G will not “travel” far. 5G will only cover about 300 meters. For ③__,we will have to buy new and expensive products only for 5G.
46. What does“5G”means? (No more than 10 words)
________________________________________________________47. Please list (列举) at least two examples of“these things” in the second paragraph. (No more than 10 words)
_________________________________________________________48. How can driver less cars run with a 5G network? (No more than 15 words)
_________________________________________________________49. Fill in each blank in the passage with one proper word.
①
________ ②
________ ③
________50. Translate the underlined sentence in the fourth paragraph into Chinese.
__________________________________________________________51. If there is 6G, what do you think it can do?
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