药材朱砂的主产地是（）
A.四川、云南
B.湖南、贵州
C.山西、内蒙古
D.湖北
E.河南
参考答案：B
鱼臭味成分分为哪几类？并举例说明。
Which of the following is true about the quiz().
A.It will be given at a later time.
B.It won’t be ready until Friday.
C.It will be short and easy.
