Unit 3 Welcome to Sunshine Town主题阅读Many people take trains for their trips in China, because the train is fast and cheap. But there are many problems when people take trains. It’s not easy to take trains when it is a festival. Lots of people hope someone can solve(解决) the problem. 21·世纪*教育网Then, the CRH trains(和谐号列车) come out. The first CRH train from Beijing to Tianjin runs in August, 2008. There are the letters “CRH” on the head of the train..