竖曲线半径最小应为车辆轴距的()倍 A.9-10 B.10-11 C.11-12 D 发布时间:2017-08-06 09:35 │ 来源:www.tikuol.com 题型:单项选择题 问题: 竖曲线半径最小应为车辆轴距的()倍A.9-10B.10-11C.11-12D.12-13
题型:单项选择题 —_____ you _____ to the beach last Sunday? —No, I didn't.A. Did, go B. Did, went C. Do, go 查看答案