阅读以上材料,回答下列问题: (1)该同学都路过了我国哪些主要地形区? _______________________________________________________________ (2)途经我国哪几条重要河流? _______________________________________________________________ (3)文中提到过哪些交通运输方式? _______________________________________________________________ (4)沿途游览的主要旅游城市有哪些? _______________________________________________________________ |