6.城市地下管線不宜布置在______下面。(      )

A.路側(cè)帶                                                       B.支路

C.快速路機動車車行道                                  D.非機動車車行道

7.煤氣管在工業(yè)區(qū)有時允許采用室外架空支架方式，但是管道底距離人行道垂直距離應(yīng)該不小于(      )

A.2.2m                                                          B.2.5m     

C.3.0m                                                          D.4.0m

8.城市建設(shè)資金最主要的來源是(      )

A.外資                                                          B.經(jīng)營土地收益

C.城市建設(shè)專項資金                                     D.城市維護建設(shè)稅

9.在非采暖區(qū)，居住區(qū)小區(qū)級道路下若埋設(shè)了市政管線，建筑控制線之間的最小極限寬度約為(      )

A.8m                                                             B.10m      

C.12m                                                           D.14m

10.宅間小路路面寬度的最低極限寬度為(      )

A.1.5m                                                          B.2m

C.2.5m                                                          D.3m