![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
消化管由内向外依次分为()
A.黏膜、黏膜下层、肌层与外膜
B.黏膜、肌层与外膜
C.黏膜、固有层、肌层与外膜
D.上皮、黏膜下层、肌层与外膜
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
A、黏膜、黏膜下层、肌层与外膜
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.黏膜、黏膜下层、肌层与外膜
B.黏膜、肌层与外膜
C.黏膜、固有层、肌层与外膜
D.上皮、黏膜下层、肌层与外膜
A、黏膜、黏膜下层、肌层与外膜
A.反滤层应在清基平整后铺筑
B.细粒料铺筑应预留相当层厚5%的沉陷量
C.反滤体施工时间应选在冬季
D.反滤体施工时间应选在非冻期
E.贴坡反滤体,应从坝坡由内向外,依次铺筑至设计高度