Unit Four Turning off TV:A Quiet Hour I.Teaching Aims 1.Master the new words and doing the vocabulary exercises 2.Understand the general ideas of the article. 3.Help the students understand the advantages and disadvantages of TV. 4.Help the students to build up their language skills through more exercises on oral practice,phrases and expression,grammar,writing,etc II.Key and Difficult Points 1.New Words Worthwhile,propose.prohibit,distract,involve 2.Phrases In part,come up with,at first glance,have a ball 3.Sentences III.Teaching Methods Discussion,explanation,ask and answer IV.Time:3 periods V.Teaching procedures: Stepl.Introduction 1.Warm-up questions: (1)Doyou often watch TV?Why or why not? (2)What programs do you like best?Why? (3)What are the disadvantages of watching too much TV? 2.Background Information (1)US television-yesterday and today In 1939:a demonstration oftelevision was held at the New York World'Fair. In 1940s:television sets began to be sol,but for a while,radio still had completecontrol of the entertainment industry. In1950s: television started to take the place of radio in the U.S. Unit Four Turning off TV: A Quiet Hour I. Teaching Aims 1. Master the new words and doing the vocabulary exercises. 2. Understand the general ideas of the article. 3. Help the students understand the advantages and disadvantages of TV. 4. Help the students to build up their language skills through more exercises on oral practice, phrases and expression, grammar, writing, etc. II. Key and Difficult Points: 1. New Words Worthwhile, propose, prohibit, distract, involve 2. Phrases In part, come up with, at first glance, have a ball 3. Sentences III. Teaching Methods Discussion, explanation, ask and answer IV. Time: 3 periods Ⅴ. Teaching procedures: Step1. Introduction 1. Warm-up questions: (1) Do you often watch TV? Why or why not? (2) What programs do you like best? Why? (3)What are the disadvantages of watching too much TV? 2. Background Information (1) US television—yesterday and today In 1939: a demonstration of television was held at the New York World’ Fair. In 1940s: television sets began to be sold, but for a while, radio still had complete control of the entertainment industry. In 1950s: television started to take the place of radio in the U.S