三阶梯疗法的主要用药包括（） A.阿司匹林 B.芬太尼 C.可待因_爱下问搜题

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三阶梯疗法的主要用药包括（）

A.阿司匹林

B.芬太尼

C.可待因

D.吗啡

E.美沙酮

答案

参考答案：A, C, D

补全对话，情景问答

A. Do you think who has a computer?
B. Do you need my help?
C. Of course.
D. Could I please use your computer?
E. It's the newest and best of all.

A: Hi, Wang Feng. What are you doing?
B: I want to play computer games.    1
A: Sorry, I'm working on it.
B:    2
A: Let me see... Oh, Li Xing has one. But I think he mustn't lend it to you.
B: Why?
A: His father bought it to him yesterday.    3
B: Let me have a try.
A: Hello, Li Xing.
C: Oh, it's you, Lin Tao.    4
A: Yes. Could I please use your computer?
C:    5   . What are you going to do on it?
A: I want to look up some information about 2012 London Olympics.
C: Looking up some information about 2012 London Olympics? OK, here you are.
A: Thanks a lot.
C: You're welcome.

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