Unit 1 When was it invented 写作专项学案 2025-2026学年英语鲁教版（五四制）九年级全册

Unit 1 When was it invented? 写作专项学案 写作目标 结合本单元“发明与历史”主题，写一篇发明介绍稿或班级分享短文，介绍一项重要发明的起源、发展、用途及影响，达成以下目标： 1.能正确使用本单元“发明与创造”相关核心词汇（如invention、invent、create、discover、pioneer、style、pleasure、electricity、daily、popularity等）及短语（by accident、by mistake、without doubt、all of a sudden、look up to、not only...but also...等）； 2.能熟练运用一般过去时的被动语态（was/were + 过去分词）描述发明的起源与发展，用一般现在时说明发明的用途与现状，正确使用It is said that.../It is believed that...等常用句式； 3.能按“发明介绍→发展历程→用途与影响”的逻辑完成写作，贴合“发明改变生活，创新推动进步”的单元主题。 题目解析 1.体裁：说明类记叙文或分享类短文，兼具知识性与实用性； 2.人称：第三人称（客观介绍发明）或第一人称（分享对发明的看法）； 3.核心要求 ￮ 内容：覆盖“1项具体发明、2-3个关键发展节点（起源/改进/普及）、1-2个核心用途或社会影响”3个要点； ￮ 字数：80–100词，被动语态使用准确，时间线索清晰，语言简洁明了，符合九年级学生语言水平，体现对发明文化内涵的理解。 思路点拨 1.开头：明确介绍选定的发明（参考课本拉链、茶、篮球、薯片等案例），用简洁句式点明发明的核心地位（如“改变世界的小发明” “影响日常生活的重要创造”），引出下文； 2.中间：按时间顺序描述发明的关键发展节点（如起源背景、改进过程、普及情况），运用一般过去时被动语态准确表述“被发明” “被改进” “被普及”等动作，结合具体细节（如发明者、发明时间、改进意义）增强真实性； 3.结尾：分享发明的核心用途（如便利生活、推动行业发展）或社会影响（如改变生活方式、促进文化交流），呼应单元“发明服务人类，创新成就未来”的核心主题，传递对创新精神的认可。 写作模板（逐段拆解） 第一段：发明介绍与起源 基础句式：________ (发明名称) is one of the most important inventions in history. It is said that it was invented ________ (时间) by ________ (发明者). Although it was simple at first, it has changed people’s lives greatly. 示例：The zipper is one of the most useful inventions in daily life. It is said that it was invented in 1893 by Whitcomb Judson. Although it was not widely used at first, it has become an necessary part of people’s lives. 第二段：发展历程与改进 基础句式：At first, ________ (初始状态，如it was used for...). Later, it was improved by ________ (改进者) and began to ________ (新用途/普及情况). By ________ (时间), it had been widely used in ________ (领域，如clothes, bags). 示例：At first, the zipper was used to make clothes easier to fasten. Later, it was improved to be more durable and began to be used in bags, shoes and tents. By 1917, it had been widely used around the world because of its convenience. 第三段：用途与影响总结 基础句式：Today, ________ (发明名称) is used to ________ (核心用途). It not only ________ (影响1，如makes our life easier) but also ________ (影响2，如saves a lot of time). It tells us that even small inventions can make a big difference to the world. 示例：Today, the zipper is used to fasten clothes, bags, luggage and many other things. It not only makes our daily life more convenient but also improves work efficiency in many fields. It tells us that creativity can be found in daily life, and small inventions can bring great changes. 范文 The History and Influence of Tea Tea, the most popular drink in the world besides water, is a great invention from China. It is believed that it was invented by accident about 5,000 years ago by a Chinese ruler named Shen Nong. At first, Shen Nong discovered tea when some tea leaves fell into his boiling water. Later, Lu Yu, "the sage of tea", wrote about tea in his book Cha Jing, which helped spread tea culture. By the 6th and 7th centuries, tea had been brought to Korea and Japan, and later to Western countries through trade. Today, tea is drunk all over the world. It is not only a kind of drink but also a symbol of culture. Drinking tea helps people relax and communicate with each other. This ancient invention shows that Chinese culture has a deep influence on the world, and it teaches us to cherish the wisdom of our ancestors. 范文中文翻译 茶的历史与影响 茶，作为世界上除水之外最受欢迎的饮品，是中国的一项伟大发明。人们认为，它是约5000年前由一位名叫神农的中国统治者偶然发明的。 起初，神农在煮水时，一些茶叶落入水中，他便发现了茶。后来，“茶圣”陆羽在他的著作《茶经》中记载了茶的相关知识，推动了茶文化的传播。到公元6至7世纪，茶被传入朝鲜和日本，之后通过贸易传到西方国家。 如今，茶在全世界被广泛饮用。它不仅是一种饮品，更是一种文化象征。喝茶有助于人们放松身心、相互交流。这项古老的发明体现了中国文化对世界的深远影响，也让我们懂得珍惜祖先的智慧。 素材积累 核心短语 by accident 偶然；意外地 by mistake 错误地；无意中 without doubt 毫无疑问；的确 all of a sudden 突然；猛地 look up to 钦佩；仰慕 not only...but also... 不但……而且…… daily life 日常生活 spread around the world 传遍世界 be used for 被用于…… make a difference 产生影响 boiling water 沸水 tea culture 茶文化 trade between countries 国际贸易 fasten clothes 系衣服 基础句型（含本单元重点） 基础句型 仿写句子 ________ was invented by ________ in ________. Paper was invented by Cai Lun in the Eastern Han Dynasty. It is said that ________. It is said that basketball was first played in 1891. At first, it was used for ________. Later, it was used for ________. At first, the telephone was used for business. Later, it was used for daily communication. Today, it is widely used to ________. Today, it is widely used to store information. It not only ________ but also ________. It not only saves time but also improves efficiency. 好句集锦 1.Great inventions often come from accidents, but they can change the way people live. 2.Every invention has its own development history, and it is the efforts of inventors that make it better. 3.Small inventions like zippers and tea show that creativity is everywhere in life. 谚语 1.Necessity is the mother of invention.（需求是发明之母） 2.Innovation is the soul of progress.（创新是进步的灵魂） 学生写作填空练习版 My Favorite Invention ________ is one of my favorite inventions. It is said that it was invented ________ by ________. At first, it was very simple, but it has become more and more useful over time. At first, it was used for ________. Later, people improved it and it began to ________. By ________, it had been widely used in many fields. Now we can see it almost everywhere in our daily life. Today, this invention helps us ________. It not only ________ but also ________. I think it is a great invention because ________. It tells us that creativity can make the world a better place! 学科网（北京）股份有限公司 $