听力原文：
Conversation Two

M: Cathy, Chaos theory seems to be a branch of physics or mathematics. You are an economist, so how does it influence your work?
W: Well, in several ways. I'm responsible for financial development programs in many parts of the world, so forecasting long range trends and making predictions on the basis of present evidence is what I do. Chaos theory was developed by scientists trying to explain the movement of the planets and changes in environmental conditions. Both of these things are also about making long term predictions on the basis of present evidence.
M: Are many economists involved in this field?
W: An increasing number. In the 1990s, many economists began to look at chaos theory as a way of providing models for forecasting.
M: What kind of "models" are we talking about here?
W: Well, that's a good question. Because the basic idea of chaos theory is that there aren't any "models" as such-there aren't guaranteed forms, but rather patterns of change and development.
M: Doesn't that mean that forecasting is impossible?
W: No, but it certainly makes it more of a challenge. Mandelbrot, who did the experiment with stock exchange prices, for example, noted that although the outcomes were variable, there were in fact certain constants. What we have to do is make sure we know what these are and take into account all the possible valuables.
M: But do economics and finance work in the same way as weather conditions or the movement of plants?
W: Well, no, of course not. There are certain underlying similarities. But we have to leave them for another time.

Q23：What is the woman's profession?

录音开头，男士说道，你是经济学家，它(chaos theory)如何影响你的工作，可见本题选D。
①根据选项内容预测题目问某人的职业。②A“股票经纪人”利用对话最后出现的stock制造干扰，录音说的是Mandelbrot用证券交易价格做实验。男士在对话开始时说混沌理论是物理学或数学的分支，选项B、C利用physics和mathematics制造干扰，故排除。

听力原文：
Conversation Two

M: Cathy, Chaos theory seems to be a branch of physics or mathematics. You are an economist, so how does it influence your work?
W: Well, in several ways. I'm responsible for financial development programs in many parts of the world, so forecasting long range trends and making predictions on the basis of present evidence is what I do. Chaos theory was developed by scientists trying to explain the movement of the planets and changes in environmental conditions. Both of these things are also about making long term predictions on the basis of present evidence.
M: Are many economists involved in this field?
W: An increasing number. In the 1990s, many economists began to look at chaos theory as a way of providing models for forecasting.
M: What kind of "models" are we talking about here?
W: Well, that's a good question. Because the basic idea of chaos theory is that there aren't any "models" as such-there aren't guaranteed forms, but rather patterns of change and development.
M: Doesn't that mean that forecasting is impossible?
W: No, but it certainly makes it more of a challenge. Mandelbrot, who did the experiment with stock exchange prices, for example, noted that although the outcomes were variable, there were in fact certain constants. What we have to do is make sure we know what these are and take into account all the possible valuables.
M: But do economics and finance work in the same way as weather conditions or the movement of plants?
W: Well, no, of course not. There are certain underlying similarities. But we have to leave them for another time.

Q24：What was chaos theory suppose to do when it was first formulated?

女士提到，科学家提出混沌理论，试图解释行星运行和环境条件的变化，B“解释某些自然现象”是其近义概括，为本题答案。
①四个选项都是动词原形选项，根据选项内容预测题目问某物的作用。②A“改善电脑编制程序”、C“预测全球人口增长”都属无中生有。对话中，女士提到混沌理论对她的工作有一定作用，因为她负责世界上许多地方的财务发展项目，但这不等同于D“促进全国财务健康”，排除D。

听力原文：
Conversation Two

M: Cathy, Chaos theory seems to be a branch of physics or mathematics. You are an economist, so how does it influence your work?
W: Well, in several ways. I'm responsible for financial development programs in many parts of the world, so forecasting long range trends and making predictions on the basis of present evidence is what I do. Chaos theory was developed by scientists trying to explain the movement of the planets and changes in environmental conditions. Both of these things are also about making long term predictions on the basis of present evidence.
M: Are many economists involved in this field?
W: An increasing number. In the 1990s, many economists began to look at chaos theory as a way of providing models for forecasting.
M: What kind of "models" are we talking about here?
W: Well, that's a good question. Because the basic idea of chaos theory is that there aren't any "models" as such-there aren't guaranteed forms, but rather patterns of change and development.
M: Doesn't that mean that forecasting is impossible?
W: No, but it certainly makes it more of a challenge. Mandelbrot, who did the experiment with stock exchange prices, for example, noted that although the outcomes were variable, there were in fact certain constants. What we have to do is make sure we know what these are and take into account all the possible valuables.
M: But do economics and finance work in the same way as weather conditions or the movement of plants?
W: Well, no, of course not. There are certain underlying similarities. But we have to leave them for another time.

Q25：What are the speakers mainly talking about?

对话一开始，男士便问女士，chaos theory对她的工作有没有帮助？对话的话题围绕混沌理论展开，即它的提出、基本概念(the basic idea)、在经济学和财务上的应用。因此本题选C。
①四个选项都是名词词组，听音时注意信息匹配。②A“他们的教育背景不同”、B“对待自然的态度发生变化”、D“目前全球经济危机”都是无中生有编造出来的选项。③抓住高频词chaos theory即可归纳对话主题。