世界上第一座现代斜拉桥建设于（）国家。
参考答案：瑞典
Hurry up! The train_______. You know, it________at 8: 30 am.
A．leaves; leaves
B．is leaving; leaves
C．leaves; is leaving
D．is leaving; is leaving
常见的车体痕迹有：（）
A、刮蹭痕迹
B、撞击痕迹
C、分离痕迹
D、撞折痕迹
