Unit 1 When was it invented ？作文学案 -2025-2026学年鲁教版五四制（2012）九年级英语全册

Unit 1 When was it invented? 作文学案 【写作导引】 本单元以“When was it invented?”为话题，属于“人与社会”主题范畴中“科技与发明”这一主题群。单元核心聚焦“用英语谈论发明的历史、发明者及用途，运用一般过去时被动语态（was/were + 过去分词） ，探索发明对人类生活的影响”，常见写作角度包括：① 介绍一项重要发明（起源、用途、影响）；② 分享自己喜欢的发明及原因；③ 设计一项新发明并介绍其功能；④ 探讨发明给生活带来的利与弊。所有内容严格贴合课本词汇与句型，突出“实用性”和“逻辑性”，可直接用于课堂写作教学与练习。 【单元话题】 “一项改变生活的发明”。请用英语写一篇短文，介绍一项对你生活影响深远的发明，包括其发明时间、发明者、用途及对你生活的改变，词数60-80左右，题目为“My Favorite Invention That Changed My Life”。 ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【范文】 My Favorite Invention That Changed My Life Among all inventions, the smartphone is my favorite—it has totally changed my daily life. The first practical smartphone was invented by Apple in 2007. It was not only a phone but also a mini computer. I use it to communicate with friends through calls and messages every day. It’s also used for studying—I can look up new words and watch online lessons. When I’m free, I listen to music or take photos with it. Without doubt, it makes my life more convenient and colorful. This small invention truly connects the world and simplifies my life. I can’t imagine living without it! 【译文】 改变我生活的最爱发明 在所有发明中，智能手机是我的最爱——它彻底改变了我的日常生活。 第一款实用的智能手机由苹果公司于2007年发明，它不仅是一部手机，更是一台迷你电脑。我每天用它通过通话和信息与朋友沟通，它也被用来学习——我可以查生词、看网课。空闲时，我用它听音乐、拍照。毫无疑问，它让我的生活更便捷、更多彩。 这项小小的发明真正连接了世界，简化了我的生活，我无法想象没有它的日子！ 亮点词块 1.totally change 彻底改变 2.practical smartphone 实用的智能手机 3.not only ... but also ... 不仅……而且…… 4.communicate with 与……沟通 5.look up new words 查生词 6.online lessons 网课 7.without doubt 毫无疑问 8.more convenient and colorful 更便捷更多彩 9.connect the world 连接世界 10.simplify one’s life 简化某人的生活 高分句子 1.The first practical smartphone was invented by Apple in 2007.（运用一般过去时被动语态，点明发明时间与发明者，贴合单元核心语法） 2.It’s also used for studying—I can look up new words and watch online lessons.（用被动语态说明发明用途，结合自身实际，符合单元表达习惯） 3.This small invention truly connects the world and simplifies my life.（总结发明的影响，升华主题，贴合单元内涵） 【拓展1】 你的笔友Tom对中国发明很感兴趣，请你写一封邮件，向他介绍“茶”这项发明，词数不少于50。 Dear Tom, Hi! You said you’re curious about Chinese inventions. Let me tell you about tea—one of the greatest inventions in China! ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Yours, Li Hua 【拓展1范文】 Dear Tom, Hi! You said you’re curious about Chinese inventions. Let me tell you about tea—one of the greatest inventions in China! Tea was invented by accident about 5,000 years ago. A Chinese ruler named Shen Nong first discovered it as a drink when tea leaves fell into his boiling water. Later, Lu Yu, “the sage of tea”, wrote a book called Cha Jing to introduce tea culture. Today, tea is drunk all over the world. It’s not only a popular drink but also a symbol of Chinese culture. I often drink tea with my family—it helps us relax. Do you like tea? Have you tried any Chinese tea? Write back soon! Yours, Li Hua 【拓展1译文】 亲爱的汤姆： 嗨！你说你对中国发明很好奇，让我给你讲讲茶——中国最伟大的发明之一！ 茶是约5000年前偶然发明的。一位名叫神农的中国统治者，当茶叶掉进他煮沸的水里时，首次发现茶可以作为饮品。后来，“茶圣”陆羽写了一本名为《茶经》的书介绍茶文化。如今，茶在全世界都很受欢迎，它不仅是一种流行饮品，更是中国文化的象征。我经常和家人一起喝茶——它能帮助我们放松。 你喜欢茶吗？你喝过中国茶吗？尽快回信呀！ 你的， 李华 【拓展2】 请根据以下提示，介绍“篮球”这项发明，词数50左右，开头已给出。 提示 信息 发明名称 篮球（basketball） 发明者 詹姆斯·奈史密斯（James Naismith），加拿大医生 发明时间 1891年 发明原因 为了让学生在冬天有室内运动可做 影响 成为全球流行运动，1936年成为奥运会项目 Basketball is one of the most popular sports in the world. Its invention has brought great fun to people. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【拓展2范文】 Basketball is one of the most popular sports in the world. Its invention has brought great fun to people. It was invented by James Naismith, a Canadian doctor, in 1891. He created it to give students an indoor sport to play in winter. Players need to work together to get the ball into the other team’s basket. Basketball became an Olympic event in 1936. Today, it’s loved by millions of people around the world. 【拓展2译文】 篮球是世界上最受欢迎的运动之一，它的发明给人们带来了极大的乐趣。 它由加拿大医生詹姆斯·奈史密斯于1891年发明，他创造这项运动是为了让学生在冬天有室内运动可做。球员需要通力合作，把球投进对方的篮筐。篮球于1936年成为奥运会项目，如今，它被全世界数百万人所喜爱。 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.发明相关（单元重点） · 发明类：invention 发明；inventor 发明者；create 创造；develop 研发；pioneer 先锋；be invented by 由……发明；be invented in 在……（年份/国家）发明 · 常见发明：smartphone 智能手机；tea 茶；basketball 篮球；zipper 拉链；telephone 电话；TV 电视；computer 电脑；hot ice-cream scoop 热冰淇淋勺；shoes with lights 带灯的鞋子 · 用途表达：be used for 被用于……；be used to do 被用来做……；it’s used for serving cold ice-cream 它被用来盛很冷的冰淇淋；it helps people communicate better 它帮助人们更好地沟通 1. 语法相关（单元重点） · 一般过去时被动语态： · 肯定式：主语 + was/were + 过去分词 + (by sb./in 时间)，例：The zipper was invented by Whitcomb Judson in 1893. · 否定式：主语 + was/were not + 过去分词，例：The telephone was not invented in China. · 疑问式：Was/Were + 主语 + 过去分词？例：When was the computer invented? · 不规则动词过去分词：invent→invented；create→created；develop→developed；discover→discovered；bring→brought；become→become 1. 逻辑衔接相关（单元基础） · 介绍起源：First of all... 首先；It is said that... 据说；About... years ago... 大约……年前；It was invented by... 它由……发明 · 说明用途：What’s more... 此外；Besides... 除此之外；It can be used to... 它可以被用来……；Not only can it... but also it can... 它不仅能……还能…… · 表达影响：It has changed people’s lives greatly 它极大地改变了人们的生活；It makes life more convenient 它让生活更便捷；It has become an important part of daily life 它已成为日常生活的重要部分 二、实用句型积累 1.介绍发明（贴合单元核心） · [发明名称] was invented by [发明者] in [年份]. 某项发明由某人于某年份发明。 · It was invented by accident when [具体场景]. 它是在某个场景下偶然发明的。 · At first, it was used for [最初用途], but now it’s mainly used for [现在用途]. 起初它被用于……但现在主要用于…… · Without this invention, our life would be [描述没有该发明的生活状态]. 没有这项发明，我们的生活将会…… 1. 描述功能与影响（贴合单元主题） · It’s a great invention because it helps people [功能]. 这是一项伟大的发明，因为它帮助人们…… · It not only [功能1] but also [功能2], which makes life more [形容词]. 它不仅……还……，这让生活更…… · Thanks to this invention, people can [受益场景] more easily. 多亏了这项发明，人们可以更轻松地…… · This invention has spread all over the world and become a symbol of [文化/科技]. 这项发明已传遍世界，成为……的象征。 1. 表达观点（贴合单元内涵） · In my opinion, [发明名称] is the most useful invention because [原因]. 在我看来，某项发明是最有用的，因为…… · I think the greatest value of this invention is that [价值]. 我认为这项发明最大的价值在于…… · Although there are some disadvantages, its advantages far outweigh them. 尽管它有一些缺点，但优点远大于缺点。 三、课堂实用句型（教学专用） · 提问句型：When was [发明] invented?；Who was it invented by?；What is it used for?；How has it changed our lives?；Do you think it’s a useful invention? · 回答句型：It was invented in [年份].；It was invented by [发明者].；It’s used for [用途].；It has made our life more [形容词].；Yes, I do. / No, I don’t. 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