Unit 13 Section B （3a～Self Check）-【绿卡初中创新题】2025-2026学年九年级下册英语同步教案(人教版)河北专版

该教案聚焦Unit 13环保主题，核心复习单元词汇、语法（现在进行时等）及环保措施表达。通过3a图表完成与同伴反馈导入，搭建复习与写作支架，梳理语法与写作关联，为环保建议信写作积累素材。 特色在于融合语言能力与文化意识，写作环节提供话题解读、句型库及范文，助学生构建环保建议写作框架（语言能力），Self Check通过词形转换和语法匹配强化知识运用（学习能力），结合公共自行车写作任务，培养环境责任感（文化意识），提升学生综合语言运用能力，为教师提供结构化教学资源。

Unit 13 We’re trying to save the earth! 课时 第4课时 Section B （3a~Self Check） 课型 新授课 教学目标 【语言知识目标】 1. 复习本单元所学习的单词和短语。 2. 复习现在进行时、现在完成时、被动语态、情态动词和used to 句型的用法。 3. 学会针对特定问题提出建议。 4. 能够用英语介绍保护环境的措施、方法。 【情感态度价值观目标】 有环境危机意识，学会关注环境、保护环境，能够给出保护环境的好方法。 教学重点 1. 用现在进行时、现在完成时、被动语态、情态动词和used to 句型等介绍方法。 2. 会写有关环境保护措施、建议的作文。 教学难点 写有关环境保护措施、建议的作文。 教学准备 设计并制作课文中所涉及的图片、教学幻灯片。 教 学 过 程 Step 1: Preparation 1. Ask students to complete the chart in 3a. 2. After students have completed their individual charts, ask them to show the notes they have made to a partner to get some feedback and revise their notes if they find it necessary. Step 2: Writing 1. Ask students to write a letter to the city mayor about the environmental problems in their city. (Attention: Teachers may want to suggest to students that it might be better to focus on one problem and write about it in detail instead of writing about many problems and not providing enough details.) 2. Show students some writing tips, good sentences and sample writing before students start to write by themselves. 3. 写作指导： (1)话题解读： 本单元以“Protecting the environment”为话题，此话题常涉及的内容有空气污染、水污染、人口问题、森林保护、自然资源保护、野生动物和濒危动物保护等。本话题常见的命题方式有提示性作文和看图作文等形式，体裁通常为记叙文、议论文等形式。通过学习，学会怎样保护环境，合理利用自然资源，体验人与自然和谐共存的情感。 (2)常用句型： It is very important to recycle… 循环使用……很重要。 We really shouldn't use… 我们确实不应该使用…… …can be recycled. ……可以循环使用。 We must come up with ways to protect… 我们必须想出保护……的方法。 People should pay more attention to… 人们应该更多地关注…… …is a serious problem in some big cities. 在一些大城市，……是个严重的问题。 We should take strong measures against… 我们应该采取强硬的措施来反对…… Step 3: Self Check 1. Work on Self Check 1: Let students look at the diagram in Self Check 1 and write different forms of words. (Answers: v. - n. pollute - pollution act - action protect - protection inspire - inspiration build - building create - creativity Others: meet -meeting educate - education paint - painting n. - adj. fame - famous wood - wooden science - scientific health - healthy south - southern care - careful Others: wool - woolen hair - hairy north - northern adj. - n. different - difference important - importance Others: significant - significance relevant - relevance brilliant - brilliance adj. -adv. slow - slowly wide - widely sudden -suddenly real - really) 2. Work on Self Check 2: Let students match each statement with the grammar structure. (Answers: The river used to be clean.→used to We have seen many changes in the environment.→Present perfect People should take public transportation more.→Modal verbs The river is polluted by factories.→Passive voice The air pollution is getting worse and worse.→Present progressive) 3. Work on Self Check 3: Ask students to write down the ways to cut down the kinds of pollution which are mentioned in the box. (Answers will vary.) Step 4: Summary Encourage students to summarize the key points of this class to help student consolidate the knowledge. 课堂作业 写作练习 我国不少城市正在推广公共自行车，提倡人们“绿色出行，低碳生活”。现在某英文网站就此话题征文，请你参考下面短文的内容(不得照搬)，再根据短文后面的内容要点，用英语写一篇短文投稿，谈谈推广公共自行车的好处。 注意：80词左右，开头已给出，不计入总词数。 Now public bikes are provided for people in many cities in China. I think it's a good thing.____________________________________________________________________ _________________________________________________________________________ 板书设计 Unit 13 We’re trying to save the earth! Section B （3a~Self Check） Key words： bottom, fisherman, coal, advantage, industry, law, gate, bottle, president, work, metal, ugly, wooden, plastic, cruel, harmful, scientific, litter, cost, afford, recycle Key phrases： be harmful to, at the top of, the food chain, take part in, turn off, pay for, take action, throw away, put sth. to good use, pull...down, upside down, bring back Key sentences： 1. We're trying to save the earth. 2. The river used to be so clean. 3. The air is badly polluted. 4. To cut down air pollution, we should take the bus or subway instead of driving. 5. You should take your own bags when you go shopping. 教学反思 这是本单元的最后一节课，学生需要将他们在本单元中所学的知识运用到实践中去。写一封关于如何保护环境的信是难点，因为这不仅涉及较难的词汇，而且涉及多个语法知识点。让学生学会综合运用这些知识以及常识至关重要。 学科网（北京）股份有限公司 $