Unit 6 Earth First Using Language Listening 课件-2024-2025学年高中英语外研版（2019）必修第二册

Using language - Listening Dealing with global warming water conservation LED bulb renewable energy carbon footprint 碳足迹 greenhouse effect reusable water bottle 4. Share what you know about these expressions. A carbon footprint is the amount of greenhouse gases — primarily carbon dioxide — released into the air by a particular human activity. For example, when you drive a car, the A carbon footprint is the amount of greenhouse gases — primarily carbon dioxide — released into the air by a particular human activity. For example, when you drive a car, the engine burns fuel which creates a certain amount of greenhouse gases. When you heat your house with coal or electricity, you also generate greenhouse gases. Even the production of food and goods emits some quantities of greenhouse gases. Together these emissions make up a carbon footprint. reusable water bottle carbon footprint renewable energy LED bulb Water conservation greenhouse effect 5. Complete the brochure with the expressions in activity 4 More about Climate Change 6. Discuss what you can do to help deal with global warming, using the words and expressions you have learnt. A: I will go to school by bike to reduce my carban footprint. B: I will ask for electronic receipt when I go shopping. ... Example I will bring a reusable bag when I go shopping. We should turn off the lights when we leave the classroom so that we won’t have them burning all night. And remember to turn off our television, video player and computer when we are not using them. It’s also a good behavior to turn off the taps when we find the water running. While brushing our teeth, shampooing the dog or washing the car, turn off the water until we actually need it for rinsing (冲洗). More example about reducing Global Warming Smog comes from the words “smoke” and “fog”, and it is used to describe the air pollution in cities caused mainly by traffic and factories. Smog can be dangerous because it causes severe breathing problems and infections. Did you know? Environmental problems to be solved 7. Listen to the lecture and choose the topics that are covered. (P89) 1. What the word “smog” means. 2. When the word “smog” appeared. 3. What caused smog in the past. 4. What causes smog now. 5. The effects of smog on the environment. 6. How governments try to reduce smog. 7. What will happen if we don’t reduce smog. 8. Listen and complete the slides. n. 幻灯片 Smog in the past Term created in: _______ Big problem in London: ________________ in December 1952 Causes of the problem: burning too much coal and ___________ Smog in the present Causes of the problem: ___________________________ Measures: rules about using __________ in factories and ______________________ _________ in the city centre Smog in the past Term created in: _______ Big problem in London: ________________ in December 1952 Causes of the problem: burning too much coal and ___________ 1900s The Great Smog no wind Smog in the present Causes of the problem: ___________________________ Measures: rules about using __________ in factories and ______________________ _________ in the city centre chemicals coming from traffic chemicals requirements of paying to drive A polite interruption is usually framed as a request for permission to interrupt someone, often starting with If ..., May I ...? or Can I ...? This may be preceded with an apology such as Sorry, ... or Excuse me, ... Usually we interrupt someone when they pause for breath, or during the slight pause between spoken clauses. Learning to learn Now talk about what the students say to interrupt the lectuer politely. Listen again if necessary. Small actions can make a big difference. Starts from me, from you. Starts from the side with.Do it now. Do greening. Homework 1.复习所学内容。 2. 完成同步练习册Using language 阅读部分。 x264 0.128.2216+688+32 a17ff54 tMod [8-bit@4:2:0 X86] Blues 145795.8 $$