电缆与压风管、供水管在巷道同一侧敷设时，必须敷设在管子上方，并保持（）m以上的距离。
A.0.5
B.0.6
C.0.3
D.0.4
参考答案：C
Although you have travelled to many scenic spots before, ________ of them are as attractive as the one
I visited this summer vacation.[ ]
A. any
B. none
C. neither
D. all
如何理解《地基规范》5．1．7条的设计冻深zD？
