反映某市7岁男孩身高的分布特征宜用
A.线图B.散点图C.直方图D.条图E.圆图
参考答案:C
33. _______, I have never seen anyone who’s as capable as John.
A.Long as I have travelled
B.As I have traveled so much
C.Much as I have traveled
D.As I have traveled so long
下列关于路面及路面排水的说法,正确的是( )。
A.高速公路的路面排水一般由路拱坡度、路肩横坡和边沟排水组成
B.路肩横向坡度应较路面横向坡度大2%~3%
C.路面面层应具有足够的结构强度、良好的水稳定性
D.路面结构由面层、基层和垫层组成