【多选题】按照所具备的技术等级可以把导游人员划分为()
【判断题】On the day when the tourists arrive, the guide may not contact the sponsor travel service to confirm the arrival time, but he should inform the driver of the time and place.
【简答题】翻译: Simultaneity : Services are rendered and consumed during the same period of time.As soon as the service consumer has requested the service(delivery),the particular service must be generated from s...
【判断题】当图形中的主要轮廓线与水平线成45度角时,该图形的剖面线应画成与水平线成30度或60度的平行线,其倾斜的方向与其他图形的剖面线一致,由于剖切是假想的,所以在剖视图上剖切平面的转折处应该画线( )
【判断题】当图形中的主要轮廓线与水平线成45度角时,该图形的剖面线应画成与水平线成30度或60度的平行线,其倾斜的方向与其他图形的剖面线一致,由于剖切是假想的,所以在剖视图上剖切平面的转折处应该画线