【多选题】由于组合旅游团游客互不相识,性格爱好各异,凝聚力不强,在游览中很容易走散,因此在游览前导游员要反复提醒他们()。
【简答题】工件以平面定位,常用的定位元件是____和____。
【多选题】由于组合旅游团游客互不相识,性格爱好各异,凝聚力不强,在游览中很容易走散,因此,在游览前导游要反复提醒他们( )。
【多选题】一般工件以平面定位时,常用的定位元件有()?
【单选题】Calakmul is one of the largest Mayan cities ever found, but because it is in the jungles of southern Mexico, this ancient settlement is hard to visit.
【简答题】The Golden Gate Bridge is one of the world’s greatest suspension bridges and acclaimed also as the world’s most beautiful bridge. The Golden Gate, which this bridge spans, is a broad, deep three-mile ...
【单选题】---What do you think of the 3D film UP? ---I enjoy it from beginning to end. This is the best one I have seen.