Unit 13 We're trying to save the earthSection B 3a-Self Check-【七彩课堂】2025-2026学年九年级英语下册同步教学设计（人教版）

该初中英语教学设计聚焦环保主题写作，通过图片自由讨论环境问题及原因，梳理建议引出3a，再完成表格分析环境好坏原因，为3b给市长写信搭建从输入到输出的学习支架。 特色在于融合语言能力与思维品质培养，3b写作环节提供问题提示、句型模板及范文讲评，提升书面表达能力，分析问题原因与建议培养分析解决问题能力，环保主题增强社会责任感，结构化流程与中考链接助力教师高效教学，学生提升写作与环保意识。

教 案 教学基本信息 学科 英语 学段 初中 年级 九年级 单元 Unit 13 课题 We’re trying to save the earth! 总课时数 6 课时 Section B 3a-Self Check 课型 写作课 授课时间 教学目标及教学重点、难点 教学目标： At the end of the class, the students will be able to： 1. talk about ways to protect the environment. 2. learn to pay attention to environmental protection. 3. improve the skills of writing. 教学重点： 1. Key vocabulary: disappoint. 2. Key sentences: a. Which parts need to be improved? b. What or who is causing these problems? c. Give suggestions or possible ways to solve the problems. 3. Structure a. used to do/ be.... b. get worse and worse 教学难点： Write a letter to the city mayor about the problem and suggestions. 教学过程(表格描述) 教学环节 主要教学活动 设置意图 Step 1 Warm-up (PPT 3-4) 1.Have a free talk: What is the picture about? What do you think about it? What caused the problems? 2. Sum up the problem and the suggestions. 自由谈论图片，分析人物行动的原因，然后总结同学们提出的建议。引出3a。 Step 2 Presentation (PPT 5-6) 1.Work on 3a. Think about the environment in your town/city and complete the chart below. Which parts of the town/city have a nice environment? Why are they nice? Which parts need to be improved? Why? 2.Complete the chart and read them. 完成3a的表格，并且写出原因。熟练地表达环境好坏的原因。 Step 3 Writing (PPT 7-8) 1.Work on 3b. Write a letter to the city mayor about the problems and your suggestions. 2. Show the following expressions: In your letter, describe the environmental problems in your town/city. 1. What are the problems? 2. Where are they? 3. What or who is causing these problems? Then, give suggestions or possible ways to solve the problems. I think that… We should/ could… I suggest… 3. Show the writing model. 4. Write a passage about the experience. 运用3b所给的重点句子结构、写作指导，给市长写一封信，谈谈环境问题和你的建议。熟练运用本单元的句型写出该信。通过写作，培养学生的书面表达能力。 Step 4 Show the models (PPT 9-13) 1. Show one of the good passages to other students. 2. Analyzes the good sentences and correct the errors. 写作过后，找出范文进行讲评。 Step 5 Self Check (PPT 14-20) 1. Write different forms of the words. Then add more to each group. 2. Match each statement with the grammar structure. 3. Write ways to cut down on these kinds of pollution. 综合检测学生对本单元的词汇及语法的掌握。 Step 6 Exercises (PPT 21-30) Practice the language points by doing these exercises. 通过单选、句型转换、首字母填空等形式练习所学的知识点，提高学生的阅读能力。 Step 7 中考链接 (PPT 31) Practice the key words and the target languages: be used 为引导学生学习，本部分设计主要精选be used的用法作为中考例题。 Step 8 Homework (PPT 32) 1. Revise your composition. 2. Preview the new words and expressions in Unit 14. 本节课布置的作业是复习本单元写的作文，预习U14的单词短语。 板书设计 Unit 13 We’re trying to save the earth! Section B (3a-Self Check) Sample Dear sir or madam, The environmental pollution is worse and worse today. We can’t afford to wait any longer to take action. Water is polluted in some cities and countryside, we have no clean water to drink. Many trees are being cut down, some animals are getting less and less.... 教学反思 1. 本课时复习了3a里面常用的结构，然后利用了3b给定的一些问题提示和写作指导进行写作。 2. 在引导学生写作之时，重点写作思路为：现象、原因、措施。 3. 写作完成后，老师可以抽取上中下各层次的范文进行分析点评。 学科网（北京）股份有限公司 $