Unit5 Power of Ideas 书面表达 作文专项练习题2026-2027学年人教版九年级英语上册

**基本信息** 以发明创造为主题，聚焦被动语态，通过基础-标准-拓展三级训练体系，融合课本素材与中考题型，系统培养语言表达与应试能力，提升文化意识与思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |基础片段写作|3小题（3D打印等）|被动语态基础应用，核心词汇强化|单一句型训练，建立被动语态与发明描述的关联| |中考标准书面表达|2道真题类（造纸术等）|要素整合与篇章结构，必用词汇语法控制|中考题型仿真，强化一般过去/现在被动语态区分| |拓展综合写作|2道长文（无线电等）|创意表达与逻辑拓展，复杂句式运用|从客观介绍到主观创造，深化语言综合运用| |情景交际小作文|1题（智能烹饪机）|对话改写与被动句转换|真实语境应用，提升语言实践能力|

# Unit5 Power of Ideas 书面表达专项练习题 写作核心主题：发明创造、创意改变生活、介绍发明，核心语态一般现在/一般过去被动语态，中考发明介绍类写作标准题型 写作素材全部来自课本3D打印、造纸术、无线电、高铁等阅读听力原文，词汇为本单元核心单词，分为基础小练、中考标准作文、拓展话题写作三部分，适配课堂训练、课后作业、考前模拟 一、基础片段写作（3小题，每题30词左右） 1 话题：介绍3D打印机 写作要求：使用被动语态，写出各类物品都可由它制作，单词produce, plastic ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 2 话题：蔡伦造纸 写作要求：一般过去时被动，描述纸张被植物纤维制成，单词create, fibre ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 3 话题：一项改变生活的小发明 写作要求：被动语态描述便利贴的发明过程，单词result in, sticky ________________________________________________________________ ________________________________________________________________ 二、中考标准书面表达（2道真题类作文，80-100词） 作文1 写作题目：A Great Ancient Invention — Papermaking 写作背景：向外国网友介绍中国造纸术，发明过程与世界影响 内容提示 1 发明者：蔡伦，东汉时期发明 2 制作：树皮、植物纤维混合蒸煮制成便宜纸张 3 影响：知识快速传播，改变全球文明 必用词汇：invent, fibre, spread, rapid 必用语法：一般过去时被动语态 ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 作文2 写作题目：The 3D Printer Changes Our Life 写作背景：介绍3D打印机的功能、用途与优势 内容提示 1 工作流程：电脑设计文件，传送打印机 2 用途：玩具、医疗器械、房屋都能被打印 3 感受：这项创意发明方便我们的生活 必用词汇：design, plastic, produce, medical 必用语法：一般现在时、情态动词被动语态 ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 三、拓展综合写作（2道长文训练，100-120词） 作文1 话题：The Invention of Radio 素材依托课本Marconi对话，介绍无线电的发明与带来的改变 必用短语：send messages, all over the world, lead to ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 作文2 话题：My New Creative Invention 写作要求：设计一款便民小发明，介绍材质、功能、优势，大量使用被动语态 必用短语：be made of, be used for, hundreds of ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 四、情景交际小作文（对话改写，40词） 素材依托智能烹饪机听力对话，改写短文介绍Smart Cook，至少两处被动句 ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 五、写作答题规范提示 1 词数控制：基础片段30词左右，标准作文80-100词，拓展作文100-120词 2 语法硬性要求：每篇作文必须使用不少于三处被动语态句子 3 词汇要求：每篇至少使用3个本单元重点单词、2个单元固定短语 4 扣分易错点：区分一般过去被动was/were done、一般现在被动am/is/are done 参考答案与标准范文 一、基础片段写作范文 1 All kinds of objects are produced by the 3D printer. Toys, chairs and medical parts can be made with plastic materials. 2 Cheap paper was created by Cai Lun. It was made of plant fibres after mixing and boiling. 3 The weak glue was produced first. It resulted in the invention of sticky notes years later. 二、中考标准书面表达范文 作文1 A Great Ancient Invention — Papermaking Papermaking was invented by Cai Lun in Eastern Han Dynasty. It was made of tree bark and plant fibres. All materials were mixed and boiled to make cheap paper. This great invention led to the rapid spread of knowledge and changed civilizations all over the world. 作文2 The 3D Printer Changes Our Life Many things can be made by the 3D printer. First, designs are finished on computers, then files are sent to the printer. Toys, medical arms and even small houses are produced with plastic. This creative invention is widely used and brings great convenience to people. 三、拓展综合写作范文 作文1 The Invention of Radio Radio was invented by Marconi in the 1890s. A radio message was sent across the Atlantic in 1901 for the first time. News can be spread all over the world quickly by radio. It also led to the invention of TV and changed people’s ways to get information. 作文2 My New Creative Invention My small machine is made of light plastic. It is used for cleaning desks. Many small tools can be fixed inside it. Hundreds of families will be helped by this cheap machine. It can be operated easily and will bring great convenience to students. 四、情景交际小作文范文 Smart Cook is a useful machine. Vegetables are put into the top cup. Oil and salt are added by the machine itself. Hundreds of dishes can be made after people press the red button. 8 学科网（北京）股份有限公司 $