unit 13 we’re trying to save the earth（第3课时）教案

Unit 13 Were trying to save the earth教材分析 本单元带领学生了解了一些有关地球污染，动物濒危等问题。并且教给大家如何保护濒危动物，如何通过回收利用等方式来保护地球。本单元分为section A and section B 两个部分。本课为第三课时带领大家了解我们能为地球做些什么。三维目标 (一) 知识与技能 1. To learn the following words and expressions.gate, bottle, president, ,metal等。2. To understand the pasage on Page 102.(二) 过程和方法 3.To get a general knowledge of pollution by reading and role-play. 4. To know about how to reduce pollution through discussion. (三) 情感态度和价值观 5. After learning this part, every student will be aware of the serious situation of pullution and determined to take action to protect our earth fron now on.一、 教学重点 1. To know the following words: gate, bottle, president, ,metal, put to good use, set up, known for, pull down, not onlybut also等 2. to understand the passage on Page 102.二、 教学难点 1. To know the following words: gate, bottle, president, ,metal, put to good use, set up, known for, pull down, not onlybut alao等 2. to understand the passage on Page 102.三、 教学策略 根据本课教学目标和重点内容，教师可采用听，读，小组讨论，角色扮演等活动来引导学生进行学习。四、 教学准备 ppt， recorder， mutiple-media五、 教学环节1、 课堂导入 Step 1 Lead-in Discussion: what can we do to help save the planet? Rank these items from the easist (1) to the most difficult (5). _ stop riding in cars. _ recycle books and papers. _Turn off the lights when you leave a room. _Turn off the shower when you washing your hair. _Dont use paper napkins.Possible answers: 5 3 1 2 42、 课堂讲授Step 2. Reading 1) Fast-reading Now turn to page 102 and read the page quickly to find answers to the chart.Name What materials did they use?What did they make?Answers: Name What materials did they use?What did they make?Amy HayesOld,boat, rocks, old galss bottles, materials from old houses A houseJessica Wong Old clothesbagsWang TaoIron and other materials fron old carsArt pieces2) careful-reading Raed the passage again and fill in blanks.put to good use, set up, known for, pull down, not onlybut alao, buildout of Amy Hayes lives in the Uk. Many of the old buildings in her neighborhood were _. All the rubbish and old things in Amys neighborhood were then _ when Amy built her house. Amy is very creative and she _ her front gate _ rocks and old glass bottles. She put an old boat on top of her house. Jessica Wong sells her bags in a small shop, but she also _ on line business to sell them. Though Jessicas bags are made from old clothes, her bags are _ being cute and useful. Wang Tao _ makes large pieces of metal art that look like humans or animals, _ make smaller pieces for the home.Possible answers: pulled down, put to good use, built out of, set up, known for, not onlybut also3) Studying useful words and expressions. put into use: 应用；利用；投入使用The first digital computer was put into use in 1944. 一九四四年,第一台二位制计算机投入了使用.The newly built waiting building was put into use today. 这座新建的候机楼今起启用. set up 竖立；升起; 建立；设立；创立; 创造（纪录等）They set up some stones as land marks他们竖起一些石头当界碑。The school has set up a special class to help poor readersThe French team set up a new record at tonights meeting known for: 以而着名,出名,以见长 Mrs. brown is known for her hospitality .布朗夫人以其好客闻名。London used to be a city known for its black fogs. 伦敦的“黑雾”一向闻名。 Be known as: 以作为而著称 Now he was known as a steady man .现在他已被大家认为是一个可靠的人。 not only but also: not onlybut also用于连接两个表示并列关系的成分，其中的also有时可以省略。She not only plays well, but also writes music. 她不仅很会演奏，而且还会作曲。He works not only on weekdays but on Sundays.We were not only hungry, but also tired. 我们不但饿了，而且也累了。当not onlybut also连接两个主语时，谓语动词的数原则上与其相近的主语保持一致。Not only the students but also their teacher is enjoying the film. 不仅学生们在欣赏这部影片，他们的老师也在欣赏这部影片。 pull down: 拆毁,拉倒A small crowd attempted to pull down a statue. 一小伙人试图推倒一尊塑像。They have managed to pull down the old building. 他们已拆毁了那幢旧建筑.Step 3 Exercises Translate the following phrases.1. 投入使用2. 拆毁3. 作为而出名4. 因为而出名5. 竖起，建起6. 扔掉7. 上下翻转8. 获奖9. 复活，恢复生机 Answers : put into use, pull down, be known for, be known as, set up, throw away, turn upside down, win a prize, bring sth. Back to life3、 课堂活动Step 4 ActivitiesMake a list of things to be done to save the environment. Which things to be done by ordinary people every day? Which things to be done by government or organizations?4、 课堂小结Step 5. SummarizeLook back on what we have learned.1. How to protect environment.2. Useful languages : put to good use, set up, known for, pull down, not onlybut alao5、 作业布置Homework : make a survey about the environment in your town.Good environmentWhy Bad environmentwhy六、 板书设计Unit 13 Were trying to save the earth1. put into use: 应用；利用；投入使用2. set up 竖