人教版九年级Unit 13 We're trying to save the earth!-Section A 1a—1c-ppt课件-(含教案+视频+素材)-公开课-(编号：a0237).zip

water pollution noise pollution air pollution Pollution Kinds of pollution Land pollution Light pollution 1a Lets discuss! Discuss 1a in groups and write down the words that related to the pollution in the box. noise pollution _ _ _ _ air pollution _ _ _ _ water pollution _ _ _ _ loud music planes ships cars mobile phones factories cars smoking ships factories littering rubbish building housesbuilding houses loud music cars rubbish planes littering ships factories smoking building houses mobile phones v.乱扔乱扔 n.垃圾；废垃圾；废 弃物弃物 What caused ? Factories put waste into the river. What pollution? How should it be solved? We should close down the small factories. What caused ? The cars made too much noise. take buses walk to school How should it be solved? Lets talk! What pollution is it? It is What caused it? The How should it be solved? We should 1b Lets listen Listen and complete the sentences. What was the problem? The river was _. Even the bottom of the river was full of _. There were no more _ for fishermen to catch. really dirty rubbish fish fisherman n. 渔民；钓鱼的人渔民；钓鱼的人 n.底部；最底部；最 下部下部 What caused the problem? People are throwing _ into the river. Factories are putting _ into the river. How should the problem be solved? We should write to the _ and ask them to _ the factories. Everyone should help to _ the river. litter waste government close down clean up 1c The river was dirty. Even the bottom of the river was full of rubbish. But it used to be so clean! Yes, but people are throwing litter into the river. Everyone in this town should play a part in cleaning it up! Make conversations using the pollution in 1a. Writing time Write a proposal(倡议书倡议书) on the environmental protection. Tips:1.Whats the problem? 2.What caused the problem? 3.How should the problem be solved? We only have one earth! Lets play a part in loving and saving it!(Are you ready?) Homework 1. Review the new words and remember them. 2. Make a poster about environment protection. ThanksThanks Unit 13 Were trying to save the earth! Period 1 Teaching aims: 1.Knowledge and skill aims: (1) Learn and master words: litter, fisherman, bottom (2) Master grammar: present progressive and modal verbs 2. Emotion and attitude aims: (1) Improve students understanding ability and using language ability (2) Let students have environmental crisis consciousness Teaching important and difficult points: 1. Students can use present progressive and modal verbs truly 2. Students know how to protect environment Teaching content: Section A (1a-1c) Teaching processes: Step 1 Lead in 1. Show some beautiful pictures and ask students opinion for the pictures. 2. Show some bad pictures and students opinion for the pictures. Teacher ask: (1) What can you see in the pictures. (2) Do you like them? (3) How do you feel? 3. Teacher summary: the earth has been polluted. We must protect our environment and save our earth, at the same time show the title: Were trying to save the earth! Step 2 Presentation 1. Ask students: What kinds of pollution do you know? Students answer: I think there are. . And then lead students into 1a. Complete 1a. 2. Show some pictures of environment polluted and let students guess according to some questions: eg. (1) Which pollution is it? (2) What caused it? (3) How should it be solved? 3. Show some pictures again. Let the students imitate the example and talk freely in pairs. Step 3 Listening 1. Before listening,let students look at the chart carefully in 1b. 2. Listen and complete 1b, and then check the answer. 3. Look at the conversation and explain the language points in 1a and 1b.( Explain the language points in small class) 4. Role-play in pairs. Step 4 Practice Read the conversation in 1c and make up students own conversation and then role-play. Step 5 Writing 1. Make a proposal on the environment protection. Tips: (1) Whats the problem? (2) What caused the problem? (3) How should the problem be solved? 2. Let one or two students read his/her proposal. Step 6 Summary In this class, we have learned the new words “ litter, bottom, fisherman” and use present progressive and modal verbs to describe something. we talk about all kinds of pollution on the earth. It includes noise pollution, air pollution, water pollution,land pollution and light pollution. In order to save our earth,we must protect our environment.At last, Lets appreciate a song about save the earth. Step 7 Homework 1. Review the new words and remember them 2. Make a poster about environmental protection. Design on the blackboard Unit 13 Were trying to save the earth! People are throwing litter into the river. Factories are putting waste into the river. We should write to the government. They should close down the factories.