专家从教育学习类、日常生活类、工作事物类解析公共英语一级考试中听力对话题中应注重的关键词句，从而选出正确的答案。

教育学习类：
m： what did you think of the lecture in library meeting room?
w： i can‘t understand what the speaker said.
q： what does the woman mean?
[a] the lecture is bad
[b] she like the lecture
[c] the lecture isn‘t fit for her.
名师精解：这是一段有关于教育学习内容的对话。录音材料中，男生问：你认为在图书馆会议室中的讲座怎么样?女生回答到 “我都不知道做讲座的人在讲些什么。”这个回答，本身就是一种贬义的回答。所以答案为[c].
日常生活类：
m： please change this note into two 50 dollars and ten 10 dollars bills.
w： sure. have you are， sir.
q： how much money does the man want to change?
[a] $100 [b] $200 [c] $300
名师精解：这是一道考数字的听力理解题目。话题属于日常生活类。男士问：你能把我这张纸币换成两张50元和十张10元的吗?因此50x2 10x10=200.所以本题答案为[b].
工作事务类：
m： make one copy for me twenty copies from other managers.
w： certainly， sir. as soon as i finish the task， i will go to deal with this.
q： what is the probable relationship between the two speakers?
[a] boss and clerk
[b] teacher and students
[c] customer and saleswoman
名师精解：这是发生在办公室中的一段对话，属于工作事务类内容。对话中的关键词“managers”和“copy”提示了对话的背景和内容。当问题问及这两者的关系时，就可判别答案为[a].
按对话题目种类划分：
m： hello. i haven‘t seen you for a long time. how are you?
w： fine. thanks.
m： tomorrow is my birthday. i would like to invite you and your family to my birthday party. our teacher wang in university will come also.
w： thank you very much. when will it begin?
m： at 6:30 p.m.
w： oh. let me see: i get off work at 5:30 every day and then spend about 35 minutes on meeting my husband and my daughter. we shall cost about 45 minutes to go your home. is that all right?
m： yes， of course.
w： ok. see you tomorrow.
m： see you then.