Unit 6 写作讲解：The invention of paper 学案 2025-2026学年沪外教版英语七年级上册

沪外教七上Unit 6 写作讲解 The invention of paper 一、写作目标及话题分析 核心话题：介绍中国古代造纸术的发明过程，用时间顺序词梳理制作步骤，阐述造纸术的重要性，并用感叹句升华情感 核心句型：情态动词（can/should/must）、时间顺序词（to start with/next/then/finally）、What/How...! 感叹句、一般过去时（描述历史过程） 时态：一般过去时（主导，描述蔡伦改进造纸术的过程）+一般现在时（阐述重要性） 人称：第三人称（Cai Lun/He）+第一人称（可选，感叹时） 字数要求：80–120词 二、写作思路 段落布局 核心功能 模板句式 开篇铺垫 背景引入+人物与改进初衷 Before paper was invented, people wrote on silk, wood and bamboo. In the Eastern Han Dynasty, Cai Lun improved the papermaking process. 主体步骤 用时间顺序词，分点描述造纸核心步骤 To start with, he... Next, he... Then, he... Finally, he... 收篇升华 重要性+感叹句收尾 Paper is one of the greatest inventions. What an important invention it is! 三、素材积累 词汇储备 类别 核心词汇 时间顺序词 to start with, first, next, then, after that, finally, at last 造纸原料/步骤 tree bark, rags, fishing nets, mix, soak, boil, spread, dry, form a thin sheet 情态动词 can（能够）, should（应该）, must（必须） 感叹句搭配 important, amazing, great, useful 万能句式 句式类型 模板句子 开头句 Before paper was invented, people used silk and bamboo to write on.Cai Lun improved the papermaking process in the Eastern Han Dynasty. 中间句 To start with, he prepared the materials and mixed the fibres.Next, he boiled the mixture to make it soft.Then, he spread the mixture on cloth and let it dry.Finally, a thin sheet of paper was made. 结尾句 Paper helps people share knowledge easily.What a great invention paper is! / How important paper is! 四、书面表达 （一）填空式模板 Before paper was invented, people wrote on silk, wood and bamboo. In the Eastern Han Dynasty, Cai Lun improved the papermaking process. He used tree bark, rags and fishing nets as materials. ________, he mixed the fibres and soaked them in water. ________, he boiled the mixture. ________, he spread the softened mixture on a flat cloth. ________, he let it dry in the sun, and a thin sheet of paper was formed. Paper is one of the most important inventions in history because ________. ________! （二）范文 Before paper was invented, people wrote on silk, wood and bamboo. They were heavy and expensive. In the Eastern Han Dynasty, Cai Lun improved the papermaking process. He used tree bark, rags and fishing nets as cheap materials. To start with, he mixed the fibres together and soaked them in water. Next, he boiled the mixture for a long time. Then, he spread the softened mixture on a flat piece of cloth. Finally, he let it dry in the sun, and a thin sheet of paper was formed. Paper is one of the most important inventions because it helps people share knowledge easily. What a great invention it is! （三）范文中文翻译 在纸被发明之前，人们在丝绸、木头和竹子上写字。这些材料既笨重又昂贵。东汉时期，蔡伦改进了造纸工艺。他用树皮、破布和渔网作为廉价的原料。 首先，他将纤维混合在一起并放入水中浸泡。接着，他把混合物煮沸很长时间。然后，他将软化的混合物铺在平整的布上。最后，他把它放在阳光下晒干，一张薄薄的纸就成型了。 纸是最重要的发明之一，因为它让人们能够轻松地分享知识。这真是一项伟大的发明啊！ 五、自我检查&同伴互评清单 检查维度 核心问题 语法规范 1. 一般过去时的动词变形（mixed/soaked/boiled等）是否准确？ 2. 时间顺序词的使用是否连贯，符合流程逻辑？ 3. What/How...! 感叹句的结构是否正确（What+a/an+adj+n! / How+adj+主语+谓语!）？ 内容表达 1. 是否完整描述蔡伦改进造纸术的核心步骤（混合浸泡-煮沸-铺布-晒干）？ 2. 是否阐明了造纸术的重要性，且字数在80–120词之间？ 3. 原料（树皮、破布、渔网）的描述是否准确？ 格式规范 1. 每句首字母大写、标点符号（句号/感叹号）使用是否正确？ 2. 段落划分清晰，流程描述逻辑连贯？ 3. 单词拼写（尤其是造纸步骤类词汇）是否无误？ ( 1 ) 学科网（北京）股份有限公司 $