英语人教版九年级全册Unit13 Section A 1a-2c.doc

Unit 13 Were trying to save the earth! Section A (1a-2c) 教学设计一、教学目标：1. 语言知识目标基本词汇：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin,基本词组：take part in, turn off, take action, throw away21cnjycom基本句型：Were trying to save the earth! The river used to be so clean. The air is badly polluted.2. 技能目标: 能正确运用现在进行时，现在完成时，被动语态和情态动词，复习并掌握used to和be used to用法。213. 情感目标: 有环境危机意识，学会关注环境保护环境。二、教学重难点： 1. 教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。 （2）保护环境的措施方法。2. 教学难点：能正确运用被动语态和used to/be used to句型。三、教学步骤:I. Preview detection: 1. Read the new words and pay attention to some pronunciations.2. Translate the phrases into English.IIPresentation1. Show the picture of Rizhao and see the air in Rizhao is clean and fresh.2. Show the pictures of pollution and tell students the earth is badly polluted now. (1) Because of pollution, our sky isnt blue any more. 21cnjy(2)Because of pollution, the water isnt clean any more. Because of pollution, many animals were killed.21世纪教育网版权所有(3)Because of pollution, more and more animals dont have places to live in.(4) Because of pollution, more and more people suffer or die from cancer.3. Can you think of the different kinds of pollution? Add land pollution. (1) The factories that burn coal pollute the air with a lot of black smoke.(2) There are more cars on the road.(3) Factories put waste into the river.(4) People throw rubbish into the river.4. 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.2-1-c-n-j-yKeys: noise pollution: loud music planes mobile phones building housesair pollution: factories smoking cars building houseswater pollution: ships rubbish littering factories Tell the students that the answers are not the only. 21*cnjy*comIII. New materials1. Listening：1b Listen and complete the sentences. If necessary, play it again. Then check the answers.【出处：21教育名师】Keys: really dirty, rubbish, fish, litter, waste, government, close down, clean up2. Practice: (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.【版权所有：21教育】Tony: Everyone in this town should play a part in cleaning it up!(2). Exercises:I. 根据句意完成句子。1. Dont throw l_ everywhere.2. The river was dirty. There were no more fish for f_ to catch3. The police found a big fish at the _(底部) of the lake.II. 单项选择： He _ stay at home alone, but now he _ going out with his parents, A. used to; is used to B. is used to; used to C. used to; used to D. is used to; is used to(3). Language pointsEven the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river.21教育网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. Pick up your litter and put it into the bins. 3. Listening(1). 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. www-2-1-cnjy-comKeys: B A(2). 2b Listen again and complete the sentences.Keys: more cars pollute are throwing away public places(3). Practice: (2c) Use the information in 2a and 2b to role-play conversations between Jason and Susan.【来源：21世纪教育网】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.21世纪*教育网Jason: The problem is that IV. Summary 1. What did we learn today? The students summary and the teacher add more.2. Encourage the students to save the earth and trust them can do better.V. Homework1.Review the new words and useful expressions in Section(1a-2c).2.Write a short passage about how to protect our environment.3.Look through the usage of “spend, pay, take, cost”. 课后反思：1. 最大可能地为学生创造运用英语的情景，指导学生积极地运用语言，在学中用，在用中学;以教材为基本，但又不拘泥于课本，利用多媒体创设情境，促使学生感悟和体验教学内容与生活的内在联系，培养学生语言技能和语言运用能力。教学重点突出，教学难点分散，取得了良好的教学效果；学生在活动中运用知识学会做事，教学内容注意开放性。2. 加强听说训练，努力做到视、听、说同步，培养学生语言学习兴趣。3. 当堂巩固，注重反馈。课堂反馈要及时，反馈要根据学生在课堂中语言活动的内容而定。在课堂中要