Why study econometrics? Rare in economics(and many other areas without labs! ) to have experimental data Need to use nonexperimental. or observational data to make inferences eImportant to be able to apply economic theory to real world data Economics 20- Prof. Anderson

•Preparation of Nitrogen Monoxide and Study of Its Chemical Properties (microscale experiment) •Making of Silver Nanoparticles •Quantitative Analysis of a Mixture of Carbonates(Inquiry-Based Approach)

 Understanding  Reproduction  Structure Analysis  Summary  Active Expressions  Focus Study  Chinese to English  Word Using  Matching Game  Structured Writing  Practical Writing

1.I intraduce the history of the event, the technical 内容 characteristic of the discus throw and study task to students. 2. students discus the 3. students study swing action and release action initially. 4. students stu dy facing throw action initially

上海中医药大学：《预防医学》课程教学资源（PPT课件讲稿）第十九章 病例对照研究（case－control study）也称回顾性研究（retrospective study）

case-control study 也称回顾性究( retrospective study）。病例对照研究的设计类型 ■成组病例对照研究 ■匹配病例对照研究 ■巢式病例对照研究

Chapter Five Image Creation Unit 20 Part 1 Notes to Text Part4 Extensive Reading Part 2 Word Study Part5 Notes to Passage Part3 Practice on Text Part6 Practice on Passage

Chapter Two Sensing Technology Chapter Study Tasks (2) In this chapter, you will be able to -Get the general idea of remote sensing -Tell the difference between passive and active sensors -Get the general ideas of the texts and extensive -Complete all the practice required

Chapter Three Telecommunication Technology Chapter Study Tasks (3) In this chapter, you will be able to Identify the key concepts of telecommunication -Learn the basics of data and serial communications -Get the general ideas of the text and the extensive reading -Complete all the practice required

Unit8 Part 1 Notes to Text Part 2 Word Study Part5 Notes to Passage Part3 Practice on Text Part6 Practice on Passage Part4 Extensive Reading