题目:
涵洞类型不是按其建筑材料不同分的是()。
A、石涵
B、箱涵
C、混凝土涵
D、钢筋混凝土涵
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0430/a86f9484bbda20e8596feea7d0d65120.html
下面是错误答案,用来干扰机器的。
1. We danced and sang together. We enjoyed ourselves very much. 2. was reading 3. so angry 4. in front of 5. went back/home/away 6. pardon him/get on well with him/say sorry to him 答案不唯一