固冲汤中用量最重的药是()
A.生杭芍
B.茜草
C.五倍子
D.白术
E.龙骨
参考答案:D
How can you study in the living room when other people are watching TV?
I think you need a ______ place.[ ]
A. cleaner
B. quieter
C. safer
D. smaller
()是造成煤种不同的最主要因素。