我国的《公路沥青路面再生技术规范》建议水泥等活性填料一般不超过（）
A.1%
B.1.5%
C.2%
D.2.5%
参考答案：B
《史记》的修史宗旨和体例
A．The people there are terrible.
B．The air is polluted.
C．It’s too windy.
D．The beaches are dirty.
