（教案）科技的利与弊写作-Unit3 Artificial Intelligence-《英语 基础模块3》（高教版第三版）【单元写作精讲】

课 题 《英语 基础模块3》（高教版第三版） Unit3 Artificial Intelligence 课 型 Writing 课 时 1 授课班级 授课时间 45mins 授课教师 教材分析 本节课选自高教版 “十四五” 规划教材《英语》基础模块 3 Unit3 Artificial Intelligence，为本单元 Reading & Writing 板块输出写作课。本课体裁为观点类议论文，要求学生围绕科技话题，分别阐述科技的优点、弊端并且表达个人看法，词数要求 80‑120 词。该题型是山东春季高考书面表达高频考查题型。本节课完全依托配套 PPT 开展教学，遵循「话题导入→词汇短语输入→Quick quiz 小测→万能句型学习→语法重点讲解→典型错题辨析→写作四要素梳理→填空模板解析→课堂限时写作→范文讲评→课堂小结分层作业」完整流程，既落实单元课本教学目标，同时渗透春考议论文的评分标准，实现语言输入到书面输出的转化。 学情分析 高二中职学生已经掌握基础简单句，能够读懂有关科技的简单阅读文本。但在写观点类议论文时普遍存在较多问题：容易混淆动词与名词词性，如develop和development；固定搭配be harmful to介词容易误用；不理解however是副词，错误直接连接两个完整句子；写作理由单薄，优点或者弊端要点写不全；缺少清晰篇章结构，不会进行转折过渡；部分学生容易遗漏个人观点这一写作要点。本课利用 PPT 中情境图片、课堂小测、典型错题示例、填空写作模板搭建学习支架，分层降低议论文写作难度，兼顾学困生与学优生的学习需求。 学习目标 1. 知识目标：掌握科技主题基础词汇、拓展词汇；掌握描述优点、弊端、表达个人观点的相关短语与万能句型；识记with the development of、be harmful to等重点固定搭配；掌握一般现在时、词性转换、副词however的语法规则；掌握议论文四大写作要素。2. 能力目标：能够借助 PPT 提供的填空模板独立完成一篇 80‑120 词的观点类议论文；能够识别并且改正常见的词性、固定搭配、连词使用错误。3. 素养目标：能够辩证看待科技给日常生活带来的影响，树立合理使用电子科技产品的意识，提升辩证思维与英语书面表达的自信心。 学习重难点 重点：科技主题词汇短语；议论文万能句型；议论文四大写作要素；“话题 — 优点 — 弊端 — 个人观点” 四段篇章结构。难点：动词‑名词词性转换；正确使用however进行转折；完整写出 2 个优点、1‑2 个弊端以及清晰的个人观点。 教学方法 情境教学法、任务型教学法、讲练结合法、纠错教学法、分层教学法 课前准备 PPT 课件（视频、词汇表、句型库、写作模板、课堂练习题）、黑板 教学媒体 多媒体设备、PPT 课件 教学过程 教学环节 教师活动设计 学生活动设计 设计意图 Step 1: Lead in 1. Show pictures of high‑tech products and robot‑hand image on PPT. Raise two discussion questions: What high‑tech products do you use every day? What changes does technology bring to our life? 2.Organize 2‑minute pair‑work. Walk around and listen to students’ discussion. Invite several volunteers to share their ideas in front of the class.3.Introduce the definition of argumentative writing on PPT, and present the real‑life writing task: write a short passage to talk about advantages and disadvantages of technology.4.Explain the requirements and scoring standards of Shandong Spring College Entrance Examination for argumentative writing: 80‑120 words, clear opinions, reasonable reasons, correct grammar and fluent expressions. 1. Observe the pictures and think over the two questions. 2.Have pair‑work and exchange ideas with deskmates. 3.Understand what argumentative writing is and know the writing task of this class. 4.Be clear about exam requirements and scoring rules. 借助 PPT 高科技图片创设真实生活情境，激活学生已有的生活认知；讲解议论文文体概念，让学生明白文体特征，明确本节课写作任务与春考评分标准。 Step2 Vocabulary & Phrase Input & Quick Quiz Show basic vocabulary and advanced vocabulary on PPT. Read each word aloud and ask students to read after the teacher. Emphasize word‑form differences such as develop and development. 2.Divide useful phrases into two parts: phrases for advantages and phrases for disadvantages & personal opinions. Explain the meaning and usage of each phrase, organize oral practice for students. 3.Launch Quick quiz shown on PPT. Ask students to finish two blank‑filling exercises. Call some students to give oral answers. Give feedback and explain the rules: “the + noun” and fixed collocation be harmful to. 1.Read words and phrases carefully and take key notes in notebooks. 2.Take part in oral practice and try to understand how to use these phrases in sentences. 3.Finish quick‑quiz exercises, listen to teachers’ comments and consolidate word‑form rules. 完整落实 PPT 词汇板块教学；通过 quick quiz 当堂检测学生对词性、固定搭配的掌握情况，提前排查低级写作错误，夯实议论文写作语言基础。 Step 3: Sentence‑pattern Learning & Common Mistake Analysis 1. Display four groups of sentence patterns on PPT: opening sentences, sentences for advantages, sentences for disadvantages, ending sentences for personal opinions. Lead students to do oral imitation practice sentence by sentence. 2. Explain grammar focus shown on PPT: Simple Present Tense for objective facts; noun rule “the + noun” in with the development of; fixed collocation be harmful to; the usage of adverb however which cannot connect two simple sentences directly. 3.Play the slides of Common Mistakes on PPT. Guide students to read wrong sentences, find out mistakes and give correct versions together. Sum up error‑avoiding tips. 1.Imitate different argumentative sentence patterns and take notes of useful universal sentences. 2.Learn grammar rules and understand the difference between verb and noun. 3.Analyze wrong‑and‑correct examples and remember typical mistakes to avoid. 将完整议论文拆解成可模仿的功能句型；结合 PPT 语法重点与错题页面，提前暴露学生高频错误，帮助学生在后续写作环节主动规避同类问题。 Step 4: Format Explanation & Template Analysis 1. Explain four key writing points presented on PPT: Topic, Advantages, Disadvantages, Personal opinion. Remind students that they need at least two advantages and one or two disadvantages. 2.Show the fill‑in‑blanks writing template on PPT part by part. Analyze the function of each paragraph. Mark the replaceable blanks where students need to fill in their own information according to the writing tips. 1.Remember the four key points of this argumentative writing task. 2.Understand the logic of the three‑paragraph template and mark blank positions for information replacement. 依托 PPT 的写作四要素与填空模板页面搭建写作支架，明确每一段的写作内容，缓解基础薄弱学生不知道写什么、不会谋篇布局的写作焦虑。 Step 5: In‑class Writing Task & Peer‑check 1. Show the formal writing task and Chinese hints on PPT. 2. Demonstrate four‑step writing procedure on PPT: judge the writing style; extract four key points; fill information into template; check tense, word forms and fixed collocations. 3. Require students to finish the short passage within limited time. Walk around the whole classroom and offer individual guidance for weak students. Organize peer‑check after students finish their drafts. 4.Display the complete model essay on PPT. Comment on its scoring highlights paragraph by paragraph. 1. Complete the argumentative short passage with the help of the given template. 2.Do peer‑check with deskmates and find possible mistakes in each other’s writing. 3.Compare their own compositions with the model essay and find out their own weaknesses. 实现当堂输入当堂输出；同桌互查训练学生识别错误的能力；结合 PPT 范文逐段讲评，让学生直观感受春考议论文得分要点。 Step 6: Summary & Homework 1. Review all key knowledge together with students according to the Summary slide on PPT: core words & phrases, four groups of sentence patterns, four‑point writing structure and important grammar warnings. 2.Assign hierarchical homework: basic homework for all students; advanced homework for top students. 精品资源学科网独家享有版权，侵权必究！ 学科网（北京）股份有限公司 $