3.问题与应用（能力要求） 1)Critical thinking:how do you see the racial discrimination in US? 2)Write an essay about slavery in US. (三)思考与实践 1.Finish all the exercises after class 2.More modern ways of teaching should be adopted. (四)教学方法与手段 Lectures,Multi-media Teaching.Discussion in class Unit 3 Security (一)目的与要求 Students will be able to: 1.grasp the main idea and the structure of the text. 2.leamn to use CAUSEAND EFFECTskill in writing. 3.master the key language points and grammatical structure in the text 4.conduct a series of reading,listening,speaking and writing activities related to the theme of the unit 5.understand the main idea and grasp important details of the text (二)教学内容 1.主要内容 1)Pre-reading Tasks A.Tasks Ss the following questions a)Who is Mr.Saturday Night Special? b)What is the message of the song? B.Discussion: a)In our families,what measures do we take to prevent burglaries? b)In our contact with the outside world,what precautions do we steer cear of danger? c)T asks some Ss to report the results of the discussion. 2)While-reading Tasks A.T introduces the background information about the text and direct them to discuss the current security issues in China. B.T guides Ss to scan the text to underline sentences containing the word lock”or the word root"lock” C.T leads Ss to summarize the main idea of the text through the 77 3. 问题与应用（能力要求） 1) Critical thinking: how do you see the racial discrimination in US? 2) Write an essay about slavery in US. （三）思考与实践 1. Finish all the exercises after class. 2. More modern ways of teaching should be adopted. （四）教学方法与手段 Lectures, Multi-media Teaching, Discussion in class. Unit 3 Security （一）目的与要求 Students will be able to: 1. grasp the main idea and the structure of the text. 2. learn to use CAUSE AND EFFECT skill in writing. 3. master the key language points and grammatical structure in the text. 4. conduct a series of reading, listening, speaking and writing activities related to the theme of the unit. 5. understand the main idea and grasp important details of the text. （二）教学内容 1. 主要内容 1) Pre-reading Tasks A.T asks Ss the following questions a) Who is Mr. Saturday Night Special? b) What is the message of the song? B. Discussion: a) In our families, what measures do we take to prevent burglaries? b) In our contact with the outside world, what precautions do we steer clear of danger? c) T asks some Ss to report the results of the discussion. 2) While-reading Tasks A. T introduces the background information about the text and direct them to discuss the current security issues in China. B.T guides Ss to scan the text to underline sentences containing the word “lock” or the word root “lock”. C.T leads Ss to summarize the main idea of the text through the