问题
单项选择题
下列属于慢效型β2受体激动剂的是（）
A.吸入型沙美特罗
B.吸入型特布他林
C.吸入型沙丁胺醇
D.吸入型福莫特罗
答案
参考答案：A
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下列属于慢效型β2受体激动剂的是（）
A.吸入型沙美特罗
B.吸入型特布他林
C.吸入型沙丁胺醇
D.吸入型福莫特罗
参考答案：A
| 找出所给句子或对话的正确答语。 Amy: Hi, Stephen. I hear you come from America. Stephen: 1.________ It's very big. Amy: 2.________ Stephen: It has 12 rooms. Amy: Oh, it's bigger than my flat. Stephen: 3.________ Amy: It has a dinning room, a bathroom, two bedrooms and a living room. Stephen: Who do you live with? Amy: 4.________ Which is your favourite place? Stephen: 5.________ Amy: I hope I can visit your flat one day. |
| A. I live with my parents. B. How many rooms does your flat have? C. My flat. D. What does it look like? E. Yes, I live in a flat in America. 1._____ 2._____ 3._____ 4._____ 5._____ |