沥青路面对基层的要求。
参考答案：具有足够的强度；具有良好的水稳性；表面平整、拱度与面层一致；与面结合良好。
2个千、5个百、3个十和2个一组成的数是（ ）。
I think you should go back to your plan, which is much more practical than the present one.
A．opposite
B．original
C．abstract
D．ridiculous
