Objectives Focus Warming up 6.1 Exchanging information 6.2 Making enquiries 6.3 Answering enquiries 6.4 Placing and filling orders Sum-up Assignment

I. The Mean and the Variance II. Uncertainty and Consumer Behavior III. Uncertainty and the Firm IV. Uncertainty and the Market V. Auctions

All the models considered so far have one thing in common. There is no uncertainty. This is a very restrictive assumption. Often in economic situations there is less than perfect information. Both production and consumption often involve unknown variables that affect the profits and utility of the agents

周期信号的分解—傅里叶级数 周期信号的频谱分析 三角形式 指数形式 周期信号的频谱分析 周期信号的功率频谱 非正弦周期信号的有效值 非周期信号的分解—傅里叶变换 由级数到变换 常用信号的变换 傅里叶变换的性质 奇异函数的变换 周期信号的傅里叶变换 信号的抽样与抽样定理、时分复用

Project Communication Management Process Communication Planning (沟通计划编制) Information Distribution (信息发送) Performance Reporting (绩效报告) Administrative Closure (管理收尾) Suggestions for improving project communications

McCarthy: (Mr. Chairman) ...in view of Mr. Welch's request that the information be given once we know of anyone who might be performing any work for the Communist Party, I think we should tell him that he has in his law firm a young man named Fisher whom he recommended, incidentally, to do the work on this Committee, who has been, for a number of years, a member of an organization

Group work Questions for thought and discussion Background information Enriching your vocabulary Comparing the following words

Pre-reading activity: (20ms) Ⅰ. Background Information Robert Schuller, a Christian minister known worldwide for his church, the Crystal Cathedral (http://www.crystalcathedral.org) made of glass and steel, and the Hour of Power (http://www.hourofpower.org) church

A. Based on the information in the story, we can safely come to a lesson that everybody needs a happy life, and this happiness can play an important role in keeping our life active and meaningful. As a matter of fact, it should become our goal of life to be happy. Without happiness, many people will feel that life is empty and worthless.  B. If we read this story carefully, it is not hard for us to arrive at a lesson that everybody needs a happy life, and this happiness can play an important role in keeping our life active and meaningful. …

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