中和面褶皱作用形成褶皱各处垂直层面厚度不变，其典型的褶皱形态为（）
A、顶厚褶皱
B、相似褶皱
C、平行褶皱
D、顶薄褶皱
参考答案：C
28. —Could you tell me how to find his house?
—OK. The only access ______ his house is along that narrow road.
A．of
B．with
C．to
D．from
下列哪种方法不适用于黏性土壤的回填压实。（）
A.平碾
B.振动夯实
C.机械夯实
D.羊足碾
