首页
›
答案
›
题库
›
慕课
›
未分类
People can buy tickets, change or refund tickets, easily and directly on the mobile phone.
People can buy tickets, change or refund tickets, easily and directly on the mobile phone.
A.正确
B.错误
正确答案：正确
标签：
风从东方来今日中国概况
上一条：
Fuxing high-speed trains are running at a speed of 250 kilometers per hour.
下一条：
In 2020, it only takes four and a half hours to get Beijing from Shanghai by high-speed train.