既属于水溶性成分,又属于醇溶性成分的是()
A.鞣质
B.生物碱盐
C.挥发油
D.苷类
E.蛋白质
参考答案:A, B, D
The farm which ___in the earthquake last year____.[ ]
A. destroyed; was belonged to my uncle
B. destroyed; belonged to my uncle
C. was destroyed; belonged to my uncle
D. was destroyed; was belonged to my uncle
常用的几种活性混合材料为()。
A.磨细石灰石
B.粒化高炉矿渣
C.火山灰质混合材料
D.粉煤灰