1、Unit 13 Were trying to save the earth.第六课时（教学设计）教学目标1.语言能力：复习并巩固本单元所学词汇。能够掌握后缀构词法。2.文化意识：了解环境问题的现状，起因以及解决方法，激发学生强烈的社会责任感和对未来发展的思考。3.思维品质： 通过运用正在进行时、现在完成时和被动语态等描述污染、环境保护和循环再利用，来培养学生爱护环境和保护动物的意识。4.学习能力：能结合本单元的环境问题和环保措施，完成写作任务。能够识别句子结构，熟练掌握现在进行时、现在完成时、被动语态、情态动词和used to的用法。教学重点与难点重点：1. 能够完成有关环保主题的书面表达。2
2、. 能够掌握派生词的用法和构词规律。3. 能够识别句子结构，熟练掌握现在进行时，现在完成时，被动语态，情态动词和used to的用法。难点：学生能结合本单元的环境问题和环保措施，完成写作任务。教学准备教具准备: ppt，教材，教学过程老师活动学生活动设计意图Lead in(4minutes)1. First , show Ss a video and ask them to talk about what kinds of environmental problems they know.different kinds of pollutionair pollution waste pollu
3、tion water pollution noise pollution light pollution land pollutionwaste of energyForget to turn off the tap,the shower or the light and waste paper.break the balance of ecosystemcut down trees kill animalsEnjoy the video and talk about the environmental problems they know.1.观看视频，从实际问题引入话题，帮助学生打开思维，
4、激发学习热情。2.讨论不同环境问题，了解环境问题起因。Pre-writing (10minutes)Ask Ss to talk about things they can do to save the earth.1.Ways to let people knowHand out notices make videos post articles on the Internet make speeches2.Ways to cut down pollutiontake the bus, ride a bike or walk instead of driving a carstop fact
5、ories from putting waste into the river and burning coals use reusable bags instead of plastic bagsDont take wooden chopsticks or plastic forks sort garbage3.Ways to save energyturn off the tap,the shower or the light and waste paper when not usingDont use paper napkins .Recycle things that we dont
6、use anymore.4.Ways to keep the balance of ecosystemPlant more trees save animals stop ocean plastic pollution Talk about things they can do to save the earth.要求从不同角度讨论他们可以为解决环境问题所做的努力，增强学生的环保意识。While-writing (15minutes)1.Write a letter to the city mayor about the problems and your suggestions.In you
7、r letter, describe the environmental problems in your town/city.What are the problems? Where are they?What or who is causing these problems?Then, give suggestions or possible ways to solve the problems.2. Ask Ss to talk about the structure of the letter.3. Ask Ss to list environmental problems, caus
8、es and solutions.1.Ask Ss to analyse the structure of the letter.2.List environmental problems, causes and solutions.3.Analyse the sample version.4.Write a passage to talk about environmental problems, causes and solutions.分析写信的结构，明确每一部分要写的重点内容。让学生有话可写，有章可循。让学生在规定时间内完成写作，锻炼学生在限定时间内构思和完成写作的能力。给一篇范文让学
9、生参考其结构和内容，对比自己文章，思考可以如何改进。Post-writing(6 minutes)Share their writing and talk about their passages according to the assessments on the right. Share their passages and give advice to their group members.给学生一个评价标准让学生互评文章，找出不足，讨论如何改进。学生能按照评价标准积极讨论文章的亮点和不足，共同进步。培养学生提取概括一级整合运用的能力。Self Check(5 minutes)Fin
10、ish the tasks in Self Check and check the answers.Finish the tasks in Self Check and check the answers.通过练习复习前缀、后缀的构成。复习本单元的重点语法以及重点话题。Exercise(3minutes)Finish the tasks on PPT.Check how much they have learned.学生能正确地完成定语从句的练习。在语境中理解、识记并运用本单元单词、短语，独立完成相关习题。Summary(2minutes)Summarize the structure of writing.Summarize the structure.通过总结，培养学生提取概括以及整合运用的能力。HomeworkPolish their writing according to their group members advice.板书设计Unit 9 I like music that I can dance to.Section B (3a-Self Check)
