摘要:
该初中英语讲义围绕“介绍新发明”写作主题,通过“是什么—长什么样—能做什么—有何益处”的逻辑框架构建知识体系,运用写作模板(逐段拆解开篇、正文、结尾要素)、基础句型对比表格等工具,系统呈现发明描述的核心结构、语法要点(不规则形容词比较级、(not) as…as结构)及单元词汇的内在联系。
讲义亮点在于“填空式写作模板”设计,如学生练习版通过[Name] [feature]等填空引导逐步完成短文,结合范文中“much smarter than a normal bag”等比较级运用实例,培养语言表达和逻辑思维品质。素材积累含短语、好句及仿写句子,基础学生可掌握模板结构,优秀学生能拓展表达,助力教师实施分层教学,支持学生自主复习提升。
内容正文:
沪教(牛津)英语八上 Unit 4 写作专项
Writing an Article About a New Invention
写作目标
结合本单元“发明创造”的核心目标,能写一篇介绍自己新发明的文章,清晰描述其特征、功能和优势。
1. 能正确使用不规则形容词比较级和最高级(good→better→best, bad→worse→worst, far→farther→farthest)以及 (not) as…as 结构进行对比和评价;
2. 能运用本单元与发明、科技相关的词汇(如 convenient, powerful, solar power, avoid traffic jams)撰写说明文;
3. 能遵循“是什么—长什么样—能做什么—有何益处”的结构,语言清晰、逻辑连贯,贴合“介绍发明”的写作场景,完成80–120词短文。
题目解析
1. 体裁:说明文(发明介绍),要求描述一项自己构思的新发明,包括其定义、外观、功能和带来的好处,契合本单元“什么造就了伟大的发明”的目标。
2. 人称:以第一人称(I, my)和第三人称(it)为主,客观介绍发明。
3. 时态:核心用一般现在时(描述发明的特征、功能和益处);用一般将来时(预测其对未来的影响)。
4. 核心要求
· 内容:写清发明的名称、主要特征、外观、功能,以及它能带来的好处或解决的问题。
· 格式:包含开头(点明发明名称和核心特征)、正文(描述外观、功能)、结尾(阐述益处和影响)等说明文基本部分。
· 字数:80–120词,句子以简单句和复合句为主,适当运用本单元所学的比较级和 (not) as…as 结构。
典型例题
科技改变生活,发明创造未来。请你以 My New Invention: A Smart Backpack 为题,写一篇80–120词的短文,介绍你构思的一项新发明。
思路点拨
1. 开篇引入:首先拟定文章标题,开门见山点明发明名称和核心特征(如 smart, convenient, eco-friendly)。
2. 正文阐述:接着描述它的外观、材质,以及它能实现的功能(如自动充电、导航、防盗),并可与传统物品对比,突出其优势。
3. 结尾总结:最后阐述这项发明能解决什么问题,给人们的生活带来什么改变,升华主题。
写作模板(逐段拆解,贴合单元目标)
第一段:开篇引入
写作目的:点明发明名称和核心特征,吸引读者。
必写要素:发明名称 + 核心特征
基础句式:My new invention is called [Name]. It is [feature1], [feature2] and [feature3].
示例:My new invention is a smart backpack. It is light, powerful and as convenient as a personal assistant.
第二段:正文阐述
写作目的:描述外观、功能,运用本单元语法。
必写要素:外观 + 功能 + 对比优势
基础句式:It looks like [description]. It can [function1] and [function2]. It is [comparative] than a normal [item] because it can [advantage].
示例:It looks like a common backpack but is made of strong, light material. It can charge your phone and guide you with GPS. It is much smarter than a normal bag because it can send an alarm if stolen.
第三段:结尾总结
写作目的:阐述益处和影响。
必写要素:解决的问题 + 带来的改变
基础句式:This invention will help people [solve problem]. It will make our lives [better/easier/more convenient].
示例:This invention will help students and travelers carry fewer things and travel safer. It will make our daily lives much easier.
范文
英文
My New Invention: A Smart Backpack
My new invention is a smart backpack. It is light, powerful and as convenient as a personal assistant.(开篇引入,运用 (not) as…as 结构)
It looks like a common backpack but is made of strong, light material. It can charge your phone and guide you with GPS. It is much smarter than a normal bag because it can send an alarm if stolen. You can travel farther without worrying about your safety.(正文阐述,运用比较级 far→farther)
This invention will help students and travelers carry fewer things and travel safer. It will make our daily lives much better.(结尾总结,运用比较级 good→better)
中文翻译
我的新发明:智能背包
我的新发明是一个智能背包。它轻便、功能强大,并且和个人助理一样方便。
它看起来像一个普通的背包,但由坚固轻便的材料制成。它可以给你的手机充电,并用GPS为你导航。它比普通的包智能得多,因为如果被盗,它可以发出警报。你可以走得更远,而不用担心你的安全。
这项发明将帮助学生和旅行者携带更少的东西,更安全地旅行。它将使我们的日常生活变得更好。
素材积累
短语
1. solar power — 太阳能
2. avoid traffic jams — 避免交通堵塞
3. as convenient as — 和……一样方便
4. much smarter — 智能得多
5. travel farther — 走得更远
6. make our lives better — 让我们的生活更好
7. send an alarm — 发出警报
8. be made of — 由……制成
基础句型
基础句型
仿写句子
My new invention is [Name]. It is [feature1], [feature2].
My new invention is a self-watering pot. It is eco-friendly and easy to use.
It can [function1] and [function2].
It can water plants automatically and remind you when to fertilize.
It is [comparative] than a normal [item] because it can [advantage].
It is more useful than a normal pot because it can save water.
This invention will help people [solve problem].
This invention will help people grow plants more easily.
好句集锦
1. This invention is not just a product, but a solution to a common problem in our daily lives.(这项发明不仅仅是一个产品,更是对我们日常生活中一个常见问题的解决方案。)
2. It is designed to be as user-friendly as possible, so that everyone can enjoy its benefits.(它的设计尽可能地人性化,以便每个人都能享受它带来的好处。)
3. With this invention, the future will be not only smarter, but also greener and more convenient.(有了这项发明,未来将不仅更智能,也更环保、更便利。)
学生写作填空练习版
My New Invention: [Name of Your Invention]
My new invention is [Name of Your Invention]. It is [ ], [ ] and as convenient as [ ].
It looks like [ ] but is made of [ ]. It can [ ] and [ ]. It is much [comparative] than a normal [item] because it can [ ]. You can [ ] farther without worrying about [ ].
This invention will help people [ ]. It will make our daily lives much better.
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