《 * * 党宣言》是在（）大革命以来的世界资产阶级上升时期的时代背景下出现的。
参考答案：法国
When we got to Yushu airport, we were told that they _____ more than 500 people from the ruins
(废墟) by earthquake. [ ]
A. has saved
B. saved
C. had saved
D. have saved
驾驶机动车超车后立即开启右转向灯驶回原车道。
