英语人教版九年级全册Unit13We’retryingtosavethe.doc

Unit 13 Were trying to save the earth!Section A (1a1c)The First Period.Teaching Aims and Demands： 1. Language goals:Key vocabulary: litter, bottom, fisherman Target language: Were trying to save the earth! The river used to be so clean. The air is badly polluted.Useful expressions: be full of, putinto, throwinto, clean up, play a part in, close down 2. Ability goals: According to designing some tasks, to train students listening abilityand to train students communicative competence3. Moral goal: Everyone should keep our rivers clean.Teaching Key Points：New words and Target languageIII.Teaching Difficult Points: 1How to train students listening ability2How to train students communicative competenceIV.Teaching Methods:Listening and talking methods.Pair work V.Teaching Aids:A tape recorder. VI.Teaching Procedures:Step 1 GreetingsGreeting the students as usual.Step 2 RevisionCheck the homework exercises.Step 3 Presentation (1a)Show the picture of the earth and tell students the earth is polluted now. For example: (1) The factories that burn coal pollute the air with a lot of black smoke.(2) Factories put waste into the river.(3) People should throw away litter in the bin.(4) There are more cars on the road.Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.loud music cars rubbish planes littering ships factories smoking building houses mobile phonesnoise pollution air pollution water pollution _ _ _ _ _ _ _ _ _Keys: noise pollution loud music planes mobile phones building housesair pollution factories smoking cars building houseswater pollution ships rubbish littering factoriesStep 4 Listening (1b)1. 1b Listen and complete the sentences.What was the problem?The river was _. Even the bottom (底部) of the river was full of _. There were no more _ for fishermen (渔民) to catch.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.Keys: really dirty rubbish fish litter waste government close down clean upStep5 Practice (1c)1. 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.Step6 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 notrelatedtohim in any way. 我和他无任何关系。 3. Everyone in this town should play a part in cleaning it up! 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.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(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。 VII. Think aboutThe earth is badly polluted. Please make a poster and think of what we can doVIII. Homework1. Copy the new words and remember them. 2. Read the listening materials of 1b.IX. Blackboard DesignBlackboard DesignUnit 13 Were trying to save the earth!Section A (1a1c)Key vocabulary: litter, bottom, fishermanUs