Today many telephone users regard international calls as routine and overseas se

游客2024-07-10  15

问题 Today many telephone users regard international calls as routine and overseas service, thanks to undersea cables and communications satellites, has undergone extraordinary improvement.

选项

答案 如今,许多电话用户已视国际长途如家常便饭,而国际长途的服务质量也因使用海底电缆和通讯卫星而有了不同寻常的进步。

解析
转载请注明原文地址:https://tihaiku.com/zcyy/3670911.html
最新回复(0)