As part of the upgrading of its rail yard, Kasselman, who is an inventor and self-proclaimed "steam visionary", is campaigning for a new steam train that runs without any fire and could run on an existing ten- kilometer line, driving tourists and perhaps

2018年12月六级真题（第二套）听力 Section C

I soon became aware that campaigning is useless.

2016年6月六级真题（第一套）听力 Section A