单项选择题

城市给水排水工程柔性管道的沟槽回填从管底基础部位开始到管顶以上( )m的范围内,必须采用人工回填。

A.1.2
B.1
C.0.6
D.0.5
<上一题 目录 下一题>
热门 试题

未分类题
关于新生儿大疱性脓疱病的叙述,以下哪些正确( )
单项选择题
听力原文:M: Was it very cold here last winter?W: Not really. The temperature never dropped below freezing. There was a little snow in December around Christmas time.Q: What did the woman say about the weather?(2)A.The temperature dropped below freezing.B.It was very cold.C.It was mildly cold in the early winter last year.D.It was very cold during Christmas time.
A.
Q:
B.The
C.
B.It
D.
C.It
E.
D.It
F.
相关试题
  • 当使用魔棒工具选择图像时,在“容差”数值...
  • 在拼合图层时,会将暂不显示的图层全部删除...
  • 显示与隐藏参考线快捷键是Ctrl+H()
  • 采用该战略有可能面临哪些障碍?如何解决?
  • From this passage we can learn tha...