问题
单项选择题
在拱架上现浇混凝土拱圈，其跨径小于( )，应按拱圈全宽度从两端拱脚向拱顶对称连续浇筑，并在拱脚混凝土初凝前全部完成。
A．10m
B．14m
C．16m
D．20m
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
在拱架上现浇混凝土拱圈，其跨径小于( )，应按拱圈全宽度从两端拱脚向拱顶对称连续浇筑，并在拱脚混凝土初凝前全部完成。
A．10m
B．14m
C．16m
D．20m
参考答案：C
| 给下列问句选择正确的答语。 |
| ( ) 1. What would you like for lunch? ( ) 2. What do you have for lunch? ( ) 3. What's your favourite food? ( ) 4. What's your favourite fruit? ( ) 5. Do you have noodles? | A. I like apples very much. B. I like hamburgers and chicken. C. Yes, we do. D. I'd like some eggplants and green beans. E. I have some fish and tofu. |