预习15 Unit 4 Inventions书面表达专练 【暑假预习】2026-2027学年沪教版八年级英语上册（广州卷）

**基本信息** 聚焦沪教版八年级英语上册Unit 4 "Inventions"主题，整合教材原生创意发明说明文与考试高频观点类写作，通过8道梯度化书面表达题，强化语言运用与创新思维，适配暑假预习需求。 **题型特征** |题型|题量/分值|知识覆盖|命题特色| |----|-----------|----------|----------| |书面表达|8题|创意发明介绍（名称/外形/功能）、观点类论述（发明影响/用途/看法）；单元语法（比较级/最高级）、逻辑连接词|情境贴近生活（如智能手机、智能手表、中国新四大发明），结合教材原题与期中期末高频题型，突出"观察-分析-解决问题"思维链，培育语言表达与创新思考能力|

【暑假预习】2026-2027学年沪教版八年级英语上册（广州卷） 预习15 Unit 4 Inventions书面表达专练 一、核心主题定位 1.单元母题：Inventions 发明创造 2.教材写作原生任务：介绍一项自己设计的新发明（创意发明说明文） 3.文体：事物介绍类说明文（八年级重点文体） 4.词数要求：80-100词 5.核心育人目标：观察生活、发现问题、创新思考，感受科技发明改变生活。 6.写作两大主线（课堂同步+考试常考） 主线1【课本原题·创意类】My New Invention（单元写作标准题型） 主线2【考试高频·观点类】The greatest invention in my eyes（我眼中最伟大的发明） 二、写作核心要素（文章必备四点） ✅ 题型1：My New Invention（教材必考） 写作框架（总分总） 1. 开头：点明发明名称，总体介绍特点 2. 主体： ① 外观外形；② 具备哪些功能；③ 和普通物品对比优势 3. 结尾：它可以解决生活什么难题、带来什么便利 强制结合单元语法 同级比较 (not) as…as；形容词比较级/最高级；far/farther；good/better不规则变化 ✅ 题型2：The greatest invention in my eyes（期中期末高频） 写作要点 1. 点明你认为最伟大的发明是什么 2. 发明带来的改变，过去与现在对比 3. 在日常生活中的用途 4. 你的看法与感受 三、学情重难点 1. 重点：有条理描述物品外观、功能；熟练使用比较句型；逻辑连接词运用 2. 难点：区分一般现在时描述发明功能；避免时态混乱；学会使用对比凸显优势 3. 易错点：invent（动词）/invention（名词）混淆 四、常考书面表达真题 真题1（教材原版） 学校科技节举办英文征文比赛，请以 My New Invention 为题，设计一项新发明。 内容包含： ① 发明名称；② 外形；③ 功能；④ 给人们生活带来的好处。80–100词。 真题2（单元测试高频） The greatest invention in my eyes 现代有许许多多伟大发明。你认为最伟大的发明是什么？ 请围绕：发明名称、用途、对你生活的影响写作。 真题3（拓展题型） If you could invent something new, what would you invent? Why? 五、单元写作必背句型素材 1. My new invention is called… 2. It looks like … 3. It can help people … 4. It is much better than ordinary … 5. It isn’t as heavy as common … 6. Without this invention, our life would be very different. 7. This invention will make people’s life easier. 六、单元书面表达专练 1．假定你是李华，你校英文报“Teen Post”专栏正在征文，主题为“A useful invention in my life”。请你结合实际，根据思维导图的提示，用英语写一篇短文投稿。 注意： 1．词数80-100词(短文标题及开头已给出，不计入总词数); 2．要点齐全，可适当发挥; 3．条理清晰，语句通顺，意义连贯，书写规范; 4．文中不得出现真实姓名和校名。 A useful invention in my life Many inventions make our lives better, _______________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 2．世界上有很多发明，它们正在渐渐地改变我们的生活方式。英语课上，同学们正在准备以“The Invention that Influences My Life Most”为主题的演讲活动。请你以李华的名义写一篇演讲稿，向同学们介绍一项对你生活影响最大的发明。 提示： What is the invention that influences your life most? How does it influence your life? What are your feelings about it? 要求：(1) 演讲稿须包括所有提示内容，可适当发挥；(2) 演讲词中不得出现真实的地名、校名和人名；(3) 词数80-100词。开头和结尾已给出，不计入总词数。 Hello, everyone! I am Li Hua and I’m very happy to stand here to talk about an invention that influences my life most. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Thanks for your attention! 3．众所周知，电脑是我们生活中的一个重要部分，和我们的学习生活息息相关。某校英文杂志社开辟中学生专栏，请你以“The greatest invention—the computer”为题写篇短文，为该杂志社投稿。内容包括： Usages (用途) Purpose (目的) Suggestion search for information study Use it correctly listen to music/watch movies relax send e-mails keep in touch with friends 要求： 1.词数80-100词 (文章开头已给出，不计入总词数)； 2.短文必须包括所给的内容，可以适当增加细节，使行文连贯； 3.文中不许出现真实的班级和姓名。 The greatest invention—the computer In modern society, we can not imagine living in a world without the computer.________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 4．假设你校英文报开辟了Amazing Inventions专栏，向同学们介绍那些对生活产生重大影响的科技产品。请你根据下面的提示写一篇英语短文给该栏目投稿，介绍智能手表的用途以及你对未来智能手表的畅想。 Introduction show the time; remind people of calls... Now check heart rate (心率); check sleep; help us find our way… Future warn us about health problems; control smart home things… Opinion change our lives… 要求： 1.短文内容应包含题目要求所给的全部信息，可适当发挥； 2.语句正确，意思通顺、连贯，书写规范； 3.短文中不得出现你的任何真实信息（姓名、校名和地名等）； 4.词数：80-100词。（题目和开头已给出，但不计入总词数。） The Invention of the Smartwatch Smartwatches are very useful in our daily life. _________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 5．近年来，中国新四大发明在网络上广受热议。假如你是李华，你们学校围绕中国新四大发明（Four Great New Inventions of China）主题举办了一场关于“最实用的发明”的投票活动（voting activity）。请你根据以下表格的内容写一篇文章，介绍这次活动及结果；并选择其中一项你最喜欢的发明，分享你的想法。 The Most Practical Invention Inventions Shared bikes Digital payment High-speed train Online shopping Percentage 10% 35% 30% 25% Your opinion and reasons 1...  2... 要求：（1）表格内容可适当发挥，80-100词左右； （2）文中不得出现真实的地名、校名和人名。 （3）短文开头句子不计入总词数。 In my school, we held a voting activity about the most practical invention among the four great new inventions of China. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 6．汽车是一项伟大的发明。1886年，世界上第一辆现代汽车诞生了。它是由德国工程师卡尔·本茨(Karl Benz)发明的。现在，汽车进入我们的家庭生活，不可避免地带来了很多问题，如污染、堵车和车祸等。你怎么看待这项发明呢？请根据以下图示，写一篇有关汽车的短文。 写作要求: 1.字迹工整，书写规范，可适当发挥; 2.文中不得出现真实的姓名、地名和校名； 3.80-100词左右，开头已给出，不计入总词数。 The car is a great invention._______________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 7．学校英语社团正在举办科技节，你应邀参加以“科技改变生活”为主题的英语演讲比赛，要求介绍一项你认为最具有影响力的科技产品。请根据以下要点提示，用英语写一篇演讲稿。 内容包括： 1. 简要介绍一项对我们生活影响最大的科技产品(computers, mobile phones, robots, Internet, electric cars...)； 2. 它对我们生活的影响 (至少选择两方面进行详细介绍)； (1) make our lives more convenient and efficient. (2) helps us work, study, and communicate easily. (3) get information and entertainment anytime. (4) improves healthcare (医疗保健) and transportation (交通运输). 3. 你的看法。 注意： 1. 词数为80-100词 2. 可适当增加细节，以便行文连贯； 3. 文中不能出现真实姓名及学校名称； 4. 开头已给出，不计入总词数。 Hello, everyone! I’m Li Hua from Class1, Grade 8 at Sunshine Middle School. Among all the inventions,___________________________________________________________________________ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________ 8．假如你是李辉，学校将举行主题为“科技改变生活”的作文竞赛，请你以“My Favourite Invention”为题，写一篇短文，内容包括以下几点： (1) 你最喜欢的发明是什么； (2) 描述它的外形特点； (3) 阐述它为你的生活带来了哪些变化。 注意： (1) 词数80~100； (2) 可适当增加细节，以使行文连贯； (3) 作文中不能出现真实姓名及学校名称。 My Favourite Invention ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 参考答案 1．例文:                                                    A useful invention in my life     Many inventions make our lives better, and the smartphone is the most useful one for me.     In my daily life, I use it for many things. I search for learning materials, take online classes as soon as the teacher starts broadcasting, and even scan QR codes to pay for lunch. It saves me much time.     I think the smartphone is a great invention because it makes life more convenient and efficient. We should use it wisely to help our study and life. 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：主要时态为一般现在时； ③提示：根据思维导图提示完成写作，注意词数控制与逻辑衔接。 [写作步骤] 第一步：引出主题并介绍发明（what it is）； 第二步：描述使用场景（how you use it）； 第三步：表达个人观点（your opinion）。 [亮点词汇] ①make our lives better使我们的生活更好 ②in my daily life在我的日常生活中 ③convenient and efficient方便有效 [高分句型] ①I search for learning materials, take online classes as soon as the teacher starts broadcasting, and even scan QR codes to pay for lunch. （as soon as引导时间状语从句） ②I think the smartphone is a great invention because it makes life more convenient and efficient. （宾语从句） 2．例文： Hello, everyone! I am Li Hua and I’m very happy to stand here to talk about an invention that influences my life most. The invention is the smartphone. I can use it to keep in touch with my family and friends through video calls, even when we’re far apart. When I have study problems, I can search for answers or watch online courses easily. Also, it allows me to listen to music and take photos, making my life more convenient. I feel really lucky to live in such a technological age. The smartphone is not just a tool but a good helper that makes my life better. Thanks for your attention! 【详解】[总体分析] ①题材：本文是一篇讲稿； ②时态：时态为“一般现在时”； ③提示：写作要点已给出，不得遗漏，可适当增加细节，以使行文连贯。 [写作步骤] 第一步：开门见山，点明主题； 第二步：详细描述这项发明及其影响，与自己的感受； 第三步：书写结尾，表达感谢。 [亮点词汇] ①keep in touch with与……保持联系 ②online courses在线课程 ③more convenient更便利 ④a good helper一个好帮手 [高分句型] ①When I have study problems, I can search for answers or watch online courses easily.(时间状语从句) ②The smartphone is not just a tool but a good helper that makes my life better.(定语从句) 3．例文: The greatest invention—the computer In modern society, we can not imagine living in a world without the computer. It is one of the greatest inventions. It is very useful in our daily lives. We can use computers to search for information to help with our study. Also, we can listen to music or watch movies to relax after our busy work. Besides, sending emails helps us keep in touch with friends far away. However, we should use computers correctly. We must not spend too much time on them or play games for too long. Let’s make good use of this useful invention. 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：主要运用“一般现在时”； ③提示：写作要点已给出，考生应注意不要遗漏题目要求中每一项内容，适当添加细节，并突出写作重点。 [写作步骤] 第一步：引出话题，表明电脑是伟大发明，在日常生活中很有用； 第二步：根据表格内容详细介绍电脑的用途和目的； 第三步：书写结语，提出使用电脑的建议。 [亮点词汇] ①search for information搜索信息 ②keep in touch with与……保持联系 ③make good use of好好利用 [高分句型] ①We can use computers to search for information to help with our study.（动词不定式作目的状语） 4．例文： The Invention of the Smartwatch Smartwatches are very useful in our daily life. They can show the time and remind people of calls. Now, they check heart rate and sleep. They also help us find our way easily.         In the future, I think they will warn us about health problems and control smart home things automatically. Smartwatches are amazing. They will change our lives greatly. We should make good use of them in a right way. 【详解】写作步骤 [第一步：审题立意] 确定文体：说明文，描述现有功能用一般现在时，畅想未来功能用一般将来时will 明确要点：智能手表如今在日常生活中的各类实用功能；畅想智能手表未来会新增的功能、带来的改变；呼吁合理、正确使用智能手表。 确定人称：第一人称（I/We），第三人称（They） 注意事项：短文内容应包含题目要求所给的全部信息，可适当发挥；语句正确，意思通顺、连贯，书写规范；短文中不得出现你的任何真实信息（姓名、校名和地名等）；词数：不少于60。（题目和开头已给出，但不计入总词数。） [第二步：构思布局] 三段式结构： 开头段：总起，点明智能手表在日常生活中十分实用，罗列当下基础功能（看时间、提醒来电、监测心率睡眠、导航）。 主体段：展望未来，介绍未来智能手表的新作用：预警健康问题、自动操控智能家居，点明它会极大改变生活。 结尾段：总结，提出我们应当正确、充分利用智能手表。 [第三步：要点展开] 要点一：现有功能 show the time and remind people of calls/check heart rate and sleep/help us find our way easily/count steps and calories/record sports data等 要点二：未来发展 warn us about health problems and control smart home things automatically/detect early diseases accurately/give real-time medical advice等 要点三：结尾观点 make good use of them in a right way/learn lots of useful information from them/use them in a proper way to get the most advantages等 5．例文： In my school, we held a voting activity about the most practical invention among the four great new inventions of China. The results show that digital payment is the most popular, with 35% of students choosing it. High-speed trains get 30% for their speed and comfort. Online shopping has 25% as it helps buy things from home. Shared bikes, at 10%, are seen as good for short trips. Among them, I like shared bikes best. They provide us with a new way of travelling. After riding a shared bike, I always feel energetic and healthy. With the development of China, more and more new inventions will come into our lives. What do you think of these inventions? I’d love to hear from you soon. 【详解】写作步骤 [第一步：审题立意] 确定文体：应用文（调查报告与观点陈述），主要使用一般现在时。 明确要点：介绍投票活动及结果（包含四个选项的具体数据）、阐述自己最喜欢的发明并给出理由。 确定人称：第一人称（I/my）与第三人称（it/they）结合。 注意事项：不得透露真实姓名、校名及地名，词数控制在100词左右。 [第二步：构思布局] 三段式结构： 开头段：开门见山，引出学校举办的关于“中国新四大发明”中最实用发明的投票活动。 主体段：客观描述投票结果（如移动支付占比最高），并主观表达自己最喜欢的发明及具体理由。 结尾段：总结中国创新带来的积极影响，或向读者提问互动。 [第三步：要点展开] 要点一：投票结果 数据表达：According to the survey/The result shows that... 占比描述：account for.../take up.../...percent of the students choose... 选项表达：digital payment (online payment)/high-speed train/online shopping/shared bikes 要点二：个人喜好与理由 表达喜好：I like... best/My favorite is.../I prefer... 移动支付理由：convenient and safe/no need to carry cash/pay with a tap 高铁理由：fast and comfortable/save time/stable 共享单车理由：green and healthy/solve the last mile problem/low-carbon life 网购理由：save time and energy/buy things from all over the world/various choices 6．例文: The car is a great invention. The first modern car was invented by Karl Benz in 1886. It brings us many advantages. It saves our time and makes our life more convenient. We can go anywhere we want quickly by car. However, it also causes many problems, such as heavy traffic jams and terrible traffic accidents. Air pollution is another serious problem. In my opinion, the car is a useful invention, but we should use it wisely to make our life better. 【详解】写作步骤解析 [第一步：审题立意] 确定文体：议论文（事物评价类），以一般现在时为主，历史部分用一般过去时。 明确要点：介绍汽车的历史（1886年，卡尔・本茨发明），阐述汽车的重要性/优点（节省时间、更方便等），说明汽车带来的问题（交通堵塞、交通事故等），表达自己的观点 确定人称：第三人称（it/the car）、第一人称（I） 注意事项：词数75左右；开头已给出，不计入总词数；不得出现真实姓名、班级和学校名称；可适当发挥。 [第二步：构思布局] 三段式结构： 开头段：（已给出）点明汽车是伟大发明，补充其诞生历史。 主体段：分别阐述汽车的优点和带来的问题。 结尾段：表达自己对汽车这项发明的看法与态度。 [第三步：要点展开] 要点一：介绍汽车的历史 核心短句：The first modern car was invented by Karl Benz in 1886./It has a history of more than 130 years. 要点二：阐述汽车的重要性/优点 核心短句：It saves our time./It makes our life more convenient./We can go anywhere quickly by car./It helps people travel easily and connect different places. 要点三：说明汽车带来的问题 核心短句： However, it also causes many problems./It causes traffic accidents./It causes air pollution./Too many cars make the city crowded and the air dirty. 要点四：表达自己的观点 核心短句：The car is a useful invention./We should use it wisely./We can drive less and choose green travel to protect the environment. 7．例文: Hello, everyone! I’m Li Hua from Class1, Grade 8 at Sunshine Middle School. Among all the inventions, I think the Internet is the most powerful and influential one. It makes our lives much more convenient and efficient. We can get useful information and enjoy entertainment anytime and anywhere. Besides, it helps us study and communicate easily with friends and family, even if we are far away from each other. In my opinion, the Internet is truly a great invention. It keeps changing the world and making our lives better. We should use it wisely to create a brighter future. 【详解】写作步骤 [第一步：审题立意] 确定文体：演讲稿，属于议论文的一种，用一般现在时为主 明确要点：介绍一项对我们生活影响最大的科技产品；它对我们生活的影响（至少两方面）；个人看法 确定人称：第一人称（I/my） 注意事项：不得透露真实姓名和学校名称（除开头已给信息外）；词数为80左右 [第二步：构思布局] 开头段：引入主题，点明要介绍的科技产品 主体段：详细介绍该科技产品对我们生活的影响，至少两个方面 结尾段：表达个人看法，总结全文 [第三步：要点展开] 要点一：简要介绍一项对我们生活影响最大的科技产品 产品选择：Internet/computers/mobile phones/robots/electric cars等 拓展词汇：revolutionary/groundbreaking/life-changing 要点二：它对我们生活的影响 方面一：make our lives more convenient and efficient 具体表达：It makes our lives much more convenient and efficient./It has greatly improved the efficiency and convenience of our daily lives./We can get useful information and enjoy entertainment anytime and anywhere. 拓展词汇：access information/on-the-go entertainment 方面二：helps us work, study, and communicate easily 具体表达：Besides, it helps us study and communicate easily with friends and family, even if we are far away from each other./Moreover, it facilitates easy communication and collaboration among friends and family, regardless of geographical distance. 拓展词汇：facilitate/collaboration/ geographical distance 方面三（可选）：get information and entertainment anytime（已包含在方面一中，可合并或替换为其他方面） 方面四（可选）：improves healthcare and transportation 拓展句型：Additionally, it has also contributed to advancements in healthcare and transportation, making these sectors more efficient and accessible. 拓展词汇：advancements/healthcare sector/transportation sector/accessible 要点三：你的看法 具体表达：In my opinion, the Internet is truly a great invention. It keeps changing the world and making our life better. We should use it wisely to create a brighter future./Personally, I believe the Internet is an extraordinary invention that continues to reshape our world and enhance our quality of life. It is imperative that we utilize it judiciously to pave the way for a brighter tomorrow. 拓展词汇：extraordinary/reshape/quality of life/imperative/utilize/judiciously/pave the way for 8．例文: My Favourite Invention With the development of technology, there are many inventions. My favourite one is the mobile phone. It is small and light with a big screen. I can put it in my pocket easily. The mobile phone has changed my life. It makes communication easier. I can contact my friends anytime. Besides, it helps me with my study. I can search for information online. In my free time, I can also listen to music or play games to relax. In a word, the mobile phone is very useful. 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：一般现在时； ③提示：写作要点已给出，考生应注意不得遗漏，可适当添加细节，以使行文连贯。 [写作步骤] 第一步：直接引出最喜欢的发明是手机； 第二步：简要描述手机的外形特点和手机带来的便利； 第三步：总结全文。 [亮点词汇] ①contact联系 ②search for搜索 ③relax放松 ④communication交流 ⑤useful有用的 [高分句型] ①It is small and light with a big screen. (with介词短语作后置定语) ②In my free time, I can also listen to music or play games to relax. (动词不定式作目的状语) 学科网（北京）股份有限公司 $