钢筋混凝土结构的生产用房的经济耐用年限参考值是( )年。A.70 B.50 C.6 发布时间:2017-06-18 00:14 │ 来源:www.tikuol.com 题型:单项选择题 问题: 钢筋混凝土结构的生产用房的经济耐用年限参考值是( )年。A.70B.50C.60D.35
题型:单项选择题 — I hear that Tony was seriously injured in an accident the other day. — Yes, _____ news came as _____ shock (震惊) to all of us. [ ]A. the; theB. a; 不填 C. the; a D. 不填; a 查看答案