英语人教版九年级全册unit13课堂实录.doc

第一课时 课堂实录Section A 1 (1a-2c)Step 1Lead in Show the picture around us and tell students the earth is polluted now.For example: (1) The foggy of Beijing .(2)The factories burn coal pollute the air with a lot of black smoke.(3) Factories put waste into the river.(4) People throw the rubbish into the river.(4)There are more cars on the road.Dicusstion:T:Whats the problem of eatch picture?Is there any pollut in your country or in town?S1:Yes,there is a lot of pullution in our hometown such as ,the river is badly polluted,S2The air is pulluted too.The environment is polluted.T:Can we do something to save the environment?What can we do?S:Plant trees, dont throw the rubbish into the river.T:So good,Today we are leaning how to save the environment.II. Learning1aHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.noise pollution, air pollution, water pollution_ _ _ _ _ _ _ _ _Check the answersKeys : noise pollution: loud music ,planes ,mobile phones, building housesair pollution: factories, smoking, cars, building houseswater pollution: ships ,rubbish ,littering ,factoriesT:Who can add more words?Ss:burning,use the plastic bags,throw the rubbish into the riverT:Yes,that”s right.Because there are many people careless the environment,our earth becomes smaller and smaller,if we are going on,there will be no more place for us to live in ,so we shoud save the earth.III. Listening1. 1b Listen and complete the sentences.Keys: really dirty rubbish fish litter waste governmentclose down clean upIV. Practice1. Role-play the conversation in 1c.Mark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so clean!Mark: Yes, but people are throwing litter into the river.Tony: Everyone in this town should play a part in cleaning it up!2. Make conversations using the pollution in 1a.A: The river has always been the nicest river in this town.B: Yes, it used to be so clean.A: But I was there last weekend and the river was really dirty.B: What caused the problem?A: People are throwing litter into the river.B: What should we do?A: Factories are also putting waste into the river.B: Yes, everyone in this town should play a part.A: We should write to the government and ask them to close down the factories. B: What else can we do?A: Everyone should help to clean up the river.V. Language points1. Were trying to save the earth! 我们正在竭尽全力拯救地球!try to do =try ones best to do 努力去做某事。e.g. Every student should try to study hard in order to study in a university.为了进入大学学习，每个学生都应该努力学习。2. Here are some words related to different kinds of pollution.be related to 与有关e.g. I am not related to him in any way. 我和他无任何关系。3. Everyone in this town should play a part in cleaning it up!Everyone每个人，不定代词做主语时，谓语动词用单数，类似的不定代词有anyone,someone,anybody,nobody,somebody等play a part in 在方面起作用e.g. A good diet plays a large part in helping people live longer.健康的饮食在帮助人们长寿方面起着非常大的作用。play a part 在中扮演角色e.g. He was invited to play a part in this TV play.他被邀请参加这个电视剧的演出。4. Even the bottom of the river was full of rubbish.Yes, but people are throwing litter into the river.The bottom of在、的顶端，顶部。反义，the foot ofWas full of,be full of,be fill with充满，装满litter 和 rubbish 都可指“垃圾”，用作不可数名词。rubbish 指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。litter 指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收e.g. Throw the rubbish out. 把垃圾扔出去。The room is full of rubbish. 房间里堆满了垃圾。Pick up your litter after a picnic. 野餐后将废弃物收拾好。VI. Listening1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.A. land pollution B. air pollutionC. noise pollution D. water pollutionKeys: B A2. 2b Listen again and complete the sentences.1) The air is badly polluted because there are _ on the road these days.2) Factories that burn coal also _ the air with a lot of black smoke.3) There is also too much rubbish and waste. People _ thingsevery day.4) People are also littering in _ like parks. This is turning beautiful places into ugly (丑陋) ones.Keys: more cars pollute are throwing away public places3. Listen and answer the questions.1) Who is the interviewer talking to?2) What are they talking?3) What other problems do they see?Keys: Susan and Jason.The environmental problems.Theres too much rubbish and waste in the streets.VII. Practice (2c)Use the information in 2a and 2b to role-play conversations between Jason and Susan. Jason: The air has become really polluted around here. Im getting very worried. Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is thatVIII. Discussion work in groups ,each group wite down your suggestions then try to find out which groups suggestions is the best.Ask students what we should do to save the earth. Help students answer, turn off the lights when you leave a room; stop riding in cars; stop using paper towels or napkins; recycle books and paper. 教师点评：Mrs. Xie:这节课的课件设计很不错，贴切生活，学生易