问题
多项选择题
在温度和湿度状况不良的城镇道路上，应设置垫层，以改善路面结构的使用性能。垫层的种类包括()。
A、半刚性垫层
B、刚性垫层
C、排水垫层
D、防水垫层
E、防冻镄层
答案
参考答案：A, C, E
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在温度和湿度状况不良的城镇道路上，应设置垫层，以改善路面结构的使用性能。垫层的种类包括()。
A、半刚性垫层
B、刚性垫层
C、排水垫层
D、防水垫层
E、防冻镄层
参考答案：A, C, E
| June 1 a sister 2 a brother. Her sister's name is Maria and her brother's name is Rick. June and Maria can 3 . June can sing and play 4 , but Maria 5 . Maria 6 chess. But she 7 play chess with June. She plays chess with Rick. Rick can also play 8 . They get on 9 with each other. They love their 10 . | ||||
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