A.2%
B.3%
C.4%
D.5%
A.2%
B.3%
C.4%
D.5%
A.美观
B.行车安全
C.施工方便
D.经济性
A.1.5%
B.2.0%
C.2.5%
D.3.0%
A.3%
B.6%
C.9%
D.12%
A.4%
B.6%
C.8%
D.10%
A.路面的颜色
B.道路两侧的绿化
C.路面标志
D.纵坡
A.路面宽度
B.路面类型
C.纵坡
D.气候条件
A.5%
B.6%
C.7%
D.8%
A.3
B.4
C.5
D.6