沥青混合料的技术指标有（）。
A.稳定度
B.流值
C.孔隙率
D.沥青混合料试件的饱和度
E.软化点
参考答案：A, B, D, E
His________is to become a doctor because his mother is often ill.[ ]
A. enjoyment
B. aim
C. encouragement
D. occupation
什么是连续相，分散相？
