Unit 1 Look it up! 写作学案 -2025-2026学年沪教版英语八年级上册

该初中英语单元写作教案围绕“百科词条撰写”核心主题，系统整合语法（some/any及不定代词用法）、核心词汇（身份、动作、事实性表达）与写作结构（基本信息、成就、影响），通过范文解析、拓展练习及词块句型积累，构建从基础到应用的知识网络，帮助学生形成完整的说明类写作知识体系。 其亮点在于采用分层任务设计，基础层提供屠呦呦词条范文，拓展层设置达·芬奇、大熊猫仿写任务，适配不同水平学生。通过精准运用单元语法与词汇，培养学生语言能力和逻辑思维品质，既提升写作严谨性与信息准确性，也为教师提供可直接使用的课堂同步训练素材，增强复习教学的针对性。

Unit 1 Look it up! 写作学案 【写作导引】 本单元以“Look it up!”为核心话题，围绕“百科全书的信息检索、名人与事物介绍、百科词条写作”展开，核心聚焦“用英语撰写规范的百科词条，准确呈现事实性信息”，运用some/any的用法、不定代词（somebody/anybody等） 等语法知识，搭配单元核心词汇与事实性表达句型，提升八年级学生的说明类写作严谨性和信息准确性。常见写作角度包括：① 介绍历史名人、动植物、科学现象等百科主题；② 仿写课本百科词条格式，呈现关键信息；③ 基于调研或资料查询，撰写事实性短文。所有内容严格贴合课本话题、词汇与语法要求，适配八年级学生认知水平，可直接用于课堂同步训练。 【单元话题】 “撰写百科词条”。请根据课本“Writing”板块范例，选择一位你敬佩的名人（科学家、艺术家、文学家等），撰写一篇百科词条，包括基本信息（生卒年份、国籍、身份）、主要成就、影响与评价，词数80-100左右，题目为“[Name]: A Great [Profession]”。 ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【范文】 Tu Youyou: A Great Scientist Tu Youyou (1930–2023) was a famous Chinese pharmaceutical scientist and educator. She was born in Ningbo, Zhejiang Province. Tu devoted her whole life to researching traditional Chinese medicine. In the 1970s, she led her team to discover artemisinin, a key drug that fights malaria. This discovery saved millions of lives around the world, especially in developing countries. She won many important awards, including the Nobel Prize in Physiology or Medicine in 2015 and the Medal of the Republic in 2019. Tu was the first Chinese woman to win the Nobel Prize in science, and her work connected traditional Chinese medicine with modern science. Tu Youyou is respected as a pioneer in medical research. Her perseverance and dedication inspire countless people to pursue scientific truth. 【译文】 屠呦呦：一位伟大的科学家 屠呦呦（1930–2023）是著名的中国药学家、教育家，出生于浙江省宁波市。 屠呦呦毕生致力于中医药研究。20世纪70年代，她带领团队发现了青蒿素——一种治疗疟疾的关键药物。这一发现拯救了全球数百万生命，尤其在发展中国家。她获得了许多重要奖项，包括2015年诺贝尔生理学或医学奖和2019年“共和国勋章”。屠呦呦是首位获得诺贝尔科学类奖项的中国女性，她的研究将中医药与现代科学相连。 屠呦呦被尊为医学研究领域的先驱，她的坚韧不拔与奉献精神激励着无数人追求科学真理。 亮点词块 1.pharmaceutical scientist 药学家 2.devote one’s whole life to 毕生致力于 3.artemisinin 青蒿素 4.fight malaria 治疗疟疾 5.Medal of the Republic 共和国勋章 6.connect...with... 将……与……相连 7.pursue scientific truth 追求科学真理 高分句子 1.Tu devoted her whole life to researching traditional Chinese medicine.（用核心短语凸显人物奉献精神，贴合单元事实性表达要求） 2.This discovery saved millions of lives around the world, especially in developing countries.（用具体成果说明人物影响，数据化表达增强说服力） 3.Her perseverance and dedication inspire countless people to pursue scientific truth.（总结人物品质与精神价值，升华词条内涵，符合八年级写作要求） 【拓展1】 班级要制作“世界名人百科手册”，请你写一段百科词条介绍列奥纳多·达·芬奇，包括其多重身份、核心成就及历史地位，词数不少于70。 Leonardo da Vinci: A Man of Many Talents ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【拓展1范文】 Leonardo da Vinci: A Man of Many Talents Leonardo da Vinci (1452–1519) was an Italian painter, inventor, musician, engineer and scientist. He is widely regarded as one of the greatest geniuses in human history. Da Vinci showed extraordinary talent from an early age. As a painter, he created world-famous works like Mona Lisa and The Last Supper, which changed the development of Western art. Beyond painting, his notebooks include creative designs of flying machines, vehicles and scientific tools—many of which were far ahead of his time. He also studied anatomy, botany and mathematics, showing a deep curiosity about the world. Da Vinci’s diverse achievements made him a symbol of the Renaissance. His spirit of exploration and innovation still influences artists and scientists today. 【拓展1译文】 列奥纳多·达·芬奇：一位多才多艺的人 列奥纳多·达·芬奇（1452–1519）是意大利画家、发明家、音乐家、工程师和科学家，被广泛认为是人类历史上最伟大的天才之一。 达·芬奇从小就展现出非凡的天赋。作为画家，他创作了《蒙娜丽莎》《最后的晚餐》等世界名著，改变了西方艺术的发展轨迹。除绘画外，他的笔记本中包含了飞行器、交通工具和科学工具的创意设计——其中许多都远超他所处的时代。他还研究解剖学、植物学和数学，对世界充满强烈的好奇心。 达·芬奇的多元成就使他成为文艺复兴的象征，他的探索精神与创新理念至今仍影响着艺术家和科学家们。 【拓展2】 请根据以下提示，仿写“动物类百科词条”，运用本单元核心语法，词数80左右，开头已给出。 提示 信息 核心内容 动物（大熊猫）、基本信息（学名、分布区域、生存状态）、外形特征、食性、保护意义 语言要求 运用some/any、不定代词，贴合单元语法重点 Giant Pandas: A Precious Animal Giant pandas are one of the most beloved animals in the world. They have unique black-and-white fur and are known as China’s national treasure. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【拓展2范文】 Giant Pandas: A Precious Animal Giant pandas are one of the most beloved animals in the world. They have unique black-and-white fur and are known as China’s national treasure. Their scientific name is Ailuropoda melanoleuca. Most giant pandas live in the mountainous areas of Sichuan, Shaanxi and Gansu provinces in China. They were once endangered, but now their population is slowly increasing thanks to protection efforts. Giant pandas mainly feed on bamboo—they eat up to 30 kilograms of bamboo every day. Unlike some other bears, they rarely eat meat. These gentle animals are not dangerous to humans, and anybody who sees them is deeply attracted by their cute appearance. Giant pandas are a symbol of wildlife protection. Protecting them means protecting biodiversity and our natural environment. 【拓展2译文】 大熊猫：一种珍贵的动物 大熊猫是世界上最受喜爱的动物之一，拥有独特的黑白皮毛，被誉为中国的国宝。 它们的学名为大熊猫，大多数生活在中国四川、陕西和甘肃的山区。它们曾处于濒危状态，但在保护努力下，如今种群数量正缓慢增长。大熊猫主要以竹子为食——每天要吃掉多达30公斤竹子。与其他一些熊类不同，它们很少吃肉。这些温顺的动物对人类没有危险，任何见过它们的人都会被其可爱的外形深深吸引。 大熊猫是野生动物保护的象征，保护它们意味着保护生物多样性和我们的自然环境。 本话题作文的一些实用短语与句型积累 一、核心主题词汇 1.百科与事实相关（单元重点） · 身份与职业：scientist 科学家；painter 画家；inventor 发明家；educator 教育家；musician 音乐家；engineer 工程师；pharmaceutical scientist 药学家 · 核心动作：devote...to... 致力于；discover 发现；create 创作；invent 发明；research 研究；study 研究；save lives 拯救生命；influence 影响 · 语法相关：some/any（限定词/不定代词）；不定代词（somebody 某人；anybody 任何人；nobody 无人；something 某事；anything 任何事；nothing 无事） · 事实性表达：be born in 出生于；live from...to... 生于……卒于……；be known as 被誉为；win awards 获奖；make contributions to 为……做贡献；far ahead of 远超；be regarded as 被认为是 1. 语法相关（单元重点） · some/any 用法： · some 用于肯定句、希望得到肯定回答的疑问句或委婉请求：She has some important discoveries.（肯定句）；Can you give me some books about dinosaurs?（请求） · any 用于否定句、疑问句或指代“任何”：There aren’t any mistakes in her research.（否定句）；Is there any information about his childhood?（疑问句）；Anybody can learn from his spirit.（任何） · 不定代词用法： · 指代人：somebody（肯定）、anybody（否定/疑问/任何）、nobody（否定），作主语时谓语动词用单数：Somebody helped her finish the project.（有人帮她完成了项目）；Nobody knew his secret.（没人知道他的秘密） · 指代事物：something（肯定）、anything（否定/疑问/任何）、nothing（否定）：There is something special about his invention.（他的发明有特别之处）；He said nothing about the award.（他对奖项只字未提） 1. 表达类（单元基础） · 逻辑连接：and 和；but 但是；so 所以；because 因为；especially 尤其；beyond 除……之外；as 作为；which 引导定语从句 · 常用短语：from an early age 从小；a symbol of ……的象征；thanks to 多亏；be far ahead of one’s time 远超所处时代；feed on 以……为食；be endangered 处于濒危状态；biodiversity 生物多样性 二、实用句型积累 1.介绍百科主题基本信息（贴合单元核心） · [Name] (year–year) was a...from... [人名]（……年–……年）是来自……的……，例：Nie Er (1912–1935) was a great musician from Yunnan.（聂耳（1912–1935）是来自云南的伟大音乐家） · [Animal/Thing] is a...that lives in/was created in... [动物/事物]是一种生活在/创建于……的……，例：The wheel is an invention that changed human transport.（车轮是一项改变了人类交通的发明） · He/She/It is known as “...” for... 他/她/它因……被誉为“……”，例：He is known as “the Father of Hybrid Rice” for his research.（他因研究被誉为“杂交水稻之父”） 1. 描述核心成就与特征（贴合单元主题） · He/She devoted his/her life to...and... 他/她毕生致力于……并且……，例：She devoted her life to medical research and discovered a life-saving drug.（她毕生致力于医学研究，发现了一种救命药物） · The most important achievement of his/hers is... 他/她最重要的成就是……，例：The most important achievement of his is the creation of the flying machine design.（他最重要的成就是飞行器设计的创作） · It has/They have...such as...and... 它/它们具有……，例如……和……，例：It has unique features such as black-and-white fur and round faces.（它具有独特的特征，比如黑白皮毛和圆脸） 1. 总结影响与意义（贴合单元内涵） · His/Her/Its work has influenced... 他/她/它的工作影响了……，例：His work has influenced generations of scientists.（他的工作影响了一代又一代科学家） · He/She/It is regarded as...because... 他/她/它被认为是……，因为……，例：She is regarded as a pioneer because she broke new ground in her field.（她被认为是先驱，因为她在领域内开辟了新道路） · Protecting/Studying it helps... 保护/研究它有助于……，例：Protecting giant pandas helps maintain ecological balance.（保护大熊猫有助于维持生态平衡） 三、课堂实用句型 · 提问句型：Who is your chosen figure for the encyclopaedia entry?；What key information should we include in a biography entry?；Have you found any interesting facts about him/her?；Is there any data to support his/her achievements?；What makes him/her a great person? · 回答句型：My chosen figure is Tu Youyou.；We should include birth year, nationality, achievements and awards.；Yes, I found that she spent 30 years on her research.；Yes, there are some statistics about the lives she saved.；His dedication and innovation make him great. 学科网（北京）股份有限公司 $