气味芳香药物的煎法是（）
A.打碎先煎
B.另煎
C.后下
D.包煎
E.另炖
参考答案：C
The _____ person in the street is a lot better than they were forty years ago.
[ ]
A. normal
B. average
C. regular
D. usual
27的开方乘以48的开方等于多少( )
A．39
B．36
C．35
D．38
