Unit 4 主题写作专项 2025-2026学年人教版八年级英语下册

该初中英语单元学案以“自然奇观”主题写作为核心，目标是引导学生运用列数字、作比较等手法介绍自然景观。通过话题概述、审题指导、谋篇布局、佳作剖析到写作实战的递进式设计，构建从基础信息输入到写作输出的完整学习路径，体现知识建构的系统性和连贯性。 亮点在于“以读促写”与“实战应用”结合的设计，如通过青海湖范文剖析学习高分词句和数据运用，再完成长江宣传文案创作任务，培养语言能力和思维品质。资料提供必备词句、谋篇框架和范文点评，既为学生写作提供支架，又为教师实施单元复习教学提供清晰指导，促进深度学习和能力提升。

Unit 4 主题写作专项 1. 话题概述 本单元的主题是“自然奇观” (Natural Wonders), 要求学生能够通过列数字、作比较等写作手法，向读者介绍一种自然景观。 主要写作维度 1. 介绍自然奇观的基本信息 2. 运用数据对比突出其“独特性” 3. 描述人类与自然奇观的互动 4. 呼吁敬畏与保护自然 2. 审题与写作指导 体裁 时态 人称 应用文 / 介绍文 一般现在时为主 第三人称 (It) / 第二人称 (You) 必备高分词句 (Key Phrases & Sentences) highly recommend doing sth.: 强烈推荐做某事 be located in: 位于…… cover an area of...: 占地面积为…… migratory birds: 候鸟 gather there: 聚集在那里 "I highly recommend visiting Qinghai Lake, one of the most stunning places here." (我强烈推荐你游览青海湖，这里最令人惊叹的地方之一。) 3. 谋篇布局 (Structure Planning) 以 "Introducing Qinghai Lake" 为例： 段落 写作思路与句型支撑 第一段 Introduction 引出话题，推荐地点： • I highly recommend visiting ______________, one of the ______________ places here. 第二段 Body 介绍基本信息、闻名原因、出行方式： • Located in ______________, it covers an area of ______________, making it China's largest ______________. • Its deepest point reaches ______________. • You can ride a bike along ______________ or taste ______________. • Taking a high-speed train to ______________ is a convenient choice. 第三段 Conclusion 总结文章，表达祝愿： • I'm sure this place will bring you ______________. • Looking forward to ______________. 4. 佳作剖析 (Model Essay Analysis) 优秀范文: A Letter to Mary 亮点评析 Dear Mary, I'm happy to hear that you are coming to visit China. I highly recommend visiting Qinghai Lake, one of the most stunning places① here. Located in the northeastern part of Qinghai Province, Qinghai Lake covers an area of over 4,500 square kilometers, making it② China's largest inland saltwater lake. Its deepest point reaches around 26 meters, holding② a huge amount of water. You can ride a bike along the 360-kilometer-long lakeside road, taste delicious local yogurt, or take a boat trip to Bird Island. Every year, from April to June, over 100,000 migratory birds③, like bar-headed geese and brown-headed gulls, gather there. Taking a high-speed train to Xining and then a bus to the lake is a convenient choice. I'm sure this place will bring you unforgettable memories. Looking forward to your arrival! Yours, Li Hua ① 最高级: "one of the most stunning places" 突出独特地位，简洁有力。 ② 现在分词作状语: "making it...", "holding..." 自然衔接前文数据，逻辑紧凑。 ③ 列数据: "4,500 square kilometers", "100,000 birds" 增强内容可信度与说服力。 5. 以读促写 (Reading for Writing) (以下内容摘自本单元所选题目) 词汇积累 (Expressions) ① feed...into... ② differ in size ③ be well worth visiting ④ freezing weather conditions ⑤ take in air ⑥ the forces of nature 佳句赏析 (Sentences) · The scenery is so attractive that visitors often lose themselves in it. · The spirit of these climbers shows us that we should never give up trying to achieve our dreams. 6. 写作实战 (Writing Practice) 题目：为了赞美长江，学校举行了“长江”主题活动。请以长江为对象，创作一篇宣传广告文案，描绘长江沿途令人惊叹的自然景观，讲述它的独特魅力。 提示信息： · 长江是亚洲最长的河流，也是世界上第三长河，全长约6300千米； · 发源于青海省，最后汇入太平洋； · 有各种各样的鱼，对中国来说非常重要。 *注意：词数100左右；不得出现真实姓名。 The Amazing Yangtze River                             1 学科网（北京）股份有限公司 $