These are my pants. His _____ yellow.[ ]
A. is
B. am
C. are
D. /
答案:C
人工干燥时,含挥发性成分药材的干燥温度不超过()
A.30℃
B.40℃
C.50℃
D.80℃
E.100℃
鹿茸具有的功效是()
A.补肾阴,益精血
B.补肾阳,益精血
C.补肾阴,祛风湿
D.补肾阳,祛风湿
E.补肾阴,止胎动