话题07 5G技术（一）-2020-2021学年高一期末复习热点话题阅读与题型专练（通用版）

2020-2021学年高一期末复习热点话题阅读与题型专练07 话题：5G技术 【1】 China’s three major mobile operators on Thursday started their long-awaited 5G service plans with users in dozens of cities. China Mobile,China Unicom and China Telecom announced their monthly 5G plans with prices ranging from 128 yuan to 599 yuan, almost at the same time. The 5G services are now being used in 50 cities, including Beijing, Shanghai, Guangzhou and Shenzhen. The expectation for the new communication technology has long been high. The three major mobile operators already registered over 10 million wannabe 5G users before the official start. The country is expected to have over 600 million 5G users by 2025, covering nearly 40 percent of the global total, according to Sihan Bo Chen, head of GSMA Greater China. Major phone makers are jumping on the broadband wagon (马车). Eighteen types of 5G smartphones were brought out in the first three quarters of this year, and about 787,000 5G phones came into the market, according to a researc