英语人教版九年级全册Unit 13 Section A (1a-1c).docx

Unit13 Were trying to save the earth! Section A 1a 1c一、教学目标：1. 语言知识目标词汇和词组：Words: litter, bottom, fisherman Useful expressions: be full of, putinto, throwinto, clean up, play a part in, close down基本句型: Were trying to save the earth.People are throwing litter into the river.The river used to be so clean.Everyone should help to clean up the river.2.技能目标: 能正确运用现在进行时，情态动词和used to 句型3.情感目标: 认识到环境保护的重要性，从清理身边的河流开始！二、教学重难点： 1. 教学重点： 语言知识2. 教学难点：提高学生的听力技能和交际能力三、教学方法：情境教学法，任务型教学法四、课型：听说课五、教学用具：课本，PPT六、教学步骤: I. Enjoy a song . II. Lead-in .III. PresentationShow 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. IV. LearningHere 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 factoriesV. Listening1. 1b 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.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 governmentclose down clean upVI. 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 and ask a few students to act out.A: (cough, cough)B: Oh, what a pity! What caused it?A: The air is not fresh. There are more cars on the road and someone always burns the litter.B: What could we do?A: We can take a bike or walk rather then take cars.B: Yes, you are right. What else can we do?A: we can also write to the government and ask them to stop burning litter.B:Good idea! Lets do it now!VII. 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。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(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。 VIII. Exercises用动词的适当形式填空。1) Were trying _ (save) the earth.2) There used to_ (be) clean and beautiful.3) There are too many_ for _to catch (fish).4) Everyone in our class should play a part in _ (clean) classroom up.Keys: to save be fish fishermen cleaningIX. Homework1. Remember the new words and expressions. 2. Read the listening materials of 1b.板书设计Unit 13 Were trying to save the earth! Section A 1a 1c1. litter , bottom, fisherman2. try to do be related toclean up