下列哪项不属于服务产品的特点（）。
A.无形性
B.多变性
C.易分性
D.易失性
参考答案：C
用所给词的正确形式填空。
1. Who can help ___________ (I) with my heavy box?
2. I ___________ (row) a boat yesterday.
3. ____________ (be not) you a teacher?
4. Mike is ____________ (draw) a picture on the wall.
5. I will _____________ (play) basketball with my friends tomorrow.
下列何项不是普济消毒饮中升麻、柴胡的作用（）。
A.升阳举陷
B.引药上达头面
C.疏风散热
D."火郁发之"
E.疏风散邪
