属于短效β2受体激动剂的是（）
A.特布他林
B.福莫特罗
C.异丙托溴铵
D.噻托溴铵
E.氟替卡松
参考答案：A
There are some spelling mistakes in your composition , but_________your composition is good. [ ]
A. as a whole
B. on the whole
C. on one hand
D. on the other hand
除湿羌活汤功效与作用
