【多选题】旅游者与旅游地居民之间的文化互动关系有( )。
【判断题】丁字尺是用来绘制水平线,且画线方向是从左向右绘制。三角板是用来绘制铅垂线,且画线的方向是从下向上。
【单选题】● C++ fully supports (72) programming, including the four properties: encapsulation, data hiding, inheritance, and polymorphism. (72)
【多选题】A transaction has four properties, they are: