9.道路安全審計(jì)的組織形式涉及到三個(gè)方面：業(yè)主、設(shè)計(jì)者和（      ）

A.安全審計(jì)者                                              B.審計(jì)局

C.行政領(lǐng)導(dǎo)                                                 D.財(cái)務(wù)人員

10.防眩設(shè)施一般設(shè)置在（      ）

A.車道中                                                     B.路肩邊緣

C.中央分隔帶                                              D.應(yīng)急停車帶

11.公路路基穩(wěn)定性的安全系數(shù)最低為______~1.50。（      ）

A.0.8                                                           B.0.5

C.1.25                                                         D.1.45

12.匝道橫斷面由車道、路緣帶、硬路肩和______路肩組成。（      ）

A.石                                                            B.瀝青

C.水泥                                                        D.土

13.爬坡車道是在縱坡大于______的陡坡路段于正線行車道一側(cè)增設(shè)的供載重汽車行駛的專用車道。（      ）

A.3%                                                          B.4%

C.5%                                                          D.6%

14.平面線形三要素是直線、緩和曲線和（      ）

A.圓曲線                                                     B.雙曲線

C.拋物線                                                     D.雙紐線

15.計(jì)算機(jī)輔助設(shè)計(jì)簡稱（      ）

A.CBA                                                         B.CDA

C.CAD                                                        D.DAC

16.高速公路一般選用______ｋｍ／ｈ的計(jì)算行車速度，當(dāng)受到條件限制時(shí)，可經(jīng)過經(jīng)濟(jì)技術(shù)論證選用其他計(jì)算速度。（      ）

A.120                                                          B.110

C.100                                                          D.８0

17.我國《公路路線設(shè)計(jì)規(guī)范》規(guī)定，除山嶺地區(qū)之外，其他地區(qū)的高速公路車道寬度都采用______m。（      ）

A.3.5                                                           B.3.6

C.3.75                                                         D.3.85

18.交通事故的三種主要因素是人的因素、車輛的因素和______的因素。（      ）

A.天氣                                                        B.道路條件

C.水                                                            D.速度