对于沥青碎石稳定基层,密度可采用蜡封法、体积法、表干法和水中重法测定。
参考答案:错
解析: 由于沥青碎石混合料的吸水率较大,不宜采用表干法、水中重法。
3.75是0.5的( )倍。
There are_____things more important to society than educating children and providing healthcare to families.
A.few
B.a few
C.more
D.many