内容正文:
Talk about Air pollution Unit 3 Enviornmental protection ——Listening and Speaking 1 Learning objectives At the end of the lesson, I will be able to: explore the causes and effects of the London smog, and propose solutions to it. learn to summarize information by taking notes of key points. express opinions by applying the patterns of ”referring to common knowledge”. 2 Lead-in What is it? What do you think of it? NEVs (new energy-efficient vehicles) Electric firework environmentally friendly can you tell me, why more and more people do start to use new energy-efficient vehicles instead of traditional cars? 3 Task 1: Pre-Listening What information can you get? What problems are caused? severe air pollution burn fossil fuels (coals or petrol) greenhouse gases greenhouse effects harmful pollutants smog chimneys in a power station While-listening Listen to the interview with an air pollution expert and decide whether the statements are true (T) or false (F). √ √ √ √ √ 1952 Task 2 Listen and Judge 4000 coal Claim sb’s life=take sb’s life away 5 The severe smog in London in 1952 6 While-listening Task 3 Summarise the information How to summarize information of the interview? 7 While-listening Phenomenon Listen to section 1 of the interview and learn about the phenomenon. Ben Drake, an expert on air pollution, is being interviewed on the radio. He said that smog was a severe problem_ _ _ _century in Britain. Task 3 Listen and summarize 8 While-listening Phenomenon Listen to section 1 of the interview and learn about the phenomenon. Ben Drake, an expert on air pollution, is being interviewed on the radio. He said that smog was a severe problem_ _ _ _century in Britain. in the early 20th Task 3 Listen and summarize 9 While-listening Causes of smog Listen to section 2 of the interview and figure out the causes of smog. 1. 2. At that time, Britain was experiencing a boom in_. Factories and homes used lots of _, which created smog. Why the smog was called a “pea soup”? Task 3 L