【单选题】Deserts and high mountains have always been a ________ to the movement of people from place to place.
【单选题】Deserts and high mountains have always been a _____to the movement of people.
【单选题】Deserts and the high mountains have always been a ___ to the movement of people from place to place.
【多选题】城市道路路基工程包括路基(路床)本身及有关的土(石)方、( )等项目。
【多选题】路基工程包括路基(路床)本身及有关的土(石)方、沿线的( )、挡土墙等项目。
【判断题】对人不对物的原则和战略属于以人为中心筹款的一个原则。()