Unit 5 单元作文练习 2026-2027学年人教版英语九年级上册

2026-10-02
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2026 秋人教版九年级英语上册单元作文练习纸 Unit 5 Power of Ideas 单元话题写作 一、写作任务 Great inventions have changed our lives. Choose one invention from this unit, such as papermaking, the plane or sticky notes, and write a short passage about it. Tell what it is, who invented it, when and how it was invented, and what effect it has had on our lives. (100-120 words) 伟大的发明改变了我们的生活。请从本单元了解到的发明中选一项(如造纸术、飞机、便利贴),写一篇说明文介绍它:它是什么、由谁发明、何时以及如何发明,它对我们的生活产生了什么影响。词数 100-120 词。 二、审题要点 ◆(1)主题:介绍一项改变了世界的伟大发明 ◆(2)文体:说明文(事物说明:名称→发明者与时间→发明过程→影响) ◆(3)时态:一般过去时(发明的经过)与一般现在时(至今的影响) ◆(4)要点:①点明发明及其重要性;②发明者与发明的背景、原因;③发明的过程或做法(按步骤);④对生活与世界的影响 ◆(5)亮点提示:被动语态(was invented / were mixed / is used);be made of / from;lead to / result in;by + 动作执行者 三、写作框架 开头 点明发明(Paper is one of the most important inventions in the world) 发明者与时间(It was invented by Cai Lun in ancient China) 正文 发明的背景(Before paper was invented, people wrote on wood and bamboo) 材料的问题(These materials were difficult to use and very expensive) 制作过程(Plants and old clothes were mixed and boiled in water) 关键步骤(The liquid was poured over a screen, and the fibre was dried and pressed) 结尾 对世界的影响(Papermaking has changed the world) 至今仍在使用(Today paper is still widely used all over the world) 四、词汇 / 短语积累 【核心词汇】 1. 发明(名)invention 2. 发明(动)invent 3. 发明家inventor 4. 创造;作品creation 5. 有创造力的creative 6. 生产(动)produce 7. 产品product 8. 材料material 9. 实验experiment 10. 方法method 11. 成分;原料ingredient 12. 液体liquid 13. 纤维fibre 14. 层layer 15. 管道pipe 16. 隧道tunnel 17. 车轮wheel 18. 滑翔机glider 19. 现实;事实reality 20. 纸paper 21. 竹子bamboo 22. 丝绸silk 23. 青铜bronze 24. 胶水glue 25. 黏的sticky 26. 迅速的rapid 27. 有责任的responsible 28. 合适的suitable 29. 便宜的cheap 30. 昂贵的expensive 31. 广泛地widely 【核心短语】 1. 由……制成(看得出原料)be made of 2. 由……制成(看不出原料)be made from 3. 被……发明be invented by 4. 被用来做……be used to do sth 5. 依靠;取决于depend on 6. 例如such as 7. 导致;造成lead to 8. 造成;导致result in 9. 令某人惊讶的是to sb's surprise 10. 想出(主意)come up with 11. 对……负责;引起be responsible for 12. 把……与……混合mix ... with ... 13. 被广泛使用be widely used 14. 全世界all over the world 15. 试图做某事be looking to do sth 16. 加速speed up 17. 后来;其后later on 18. 结果;因此as a result 19. 超过more than 20. 在古代中国in ancient China 五、句式练习 第一段(开头):点明发明与发明者 纸是世界上最重要的发明之一。(核心词:one of the most important inventions) Paper is one of the most important inventions in the world. 它是中国古代的蔡伦发明的。(核心词:be invented by, Cai Lun, ancient China) It was invented by Cai Lun in ancient China. 许多发明改变了我们的生活。(核心词:many inventions, change our lives) Many inventions have changed our lives. 第二段(中间):发明背景与制作过程 在纸被发明之前,人们在木头和竹子上写字。(核心词:before, be invented, wood, bamboo) Before paper was invented, people wrote on wood and bamboo. 这些材料很难使用,而且非常昂贵。(核心词:difficult to use, expensive) These materials were difficult to use and very expensive. 原料被混合并在水中煮沸。(核心词:be mixed, be boiled, in water) The ingredients were mixed and boiled in water. 接着液体被倒在竹筛上,纤维被晾干并压平。(核心词:be poured over, screen, be dried and pressed) Then the liquid was poured over a screen, and the fibre was dried and pressed. 这种纸又轻又便宜,制作和使用都很方便。(核心词:light, cheap, easy to make and use) This paper was light and cheap, and it was easy to make and use. 第三段(结尾):发明的影响 纸的使用使信息能够迅速传播。(核心词:make, information, spread, quickly) The use of paper made information spread quickly. 如今纸仍然被全世界广泛使用。(核心词:be widely used, all over the world) Today paper is still widely used all over the world. 它确实改变了世界。(核心词:indeed, change the world) It has indeed changed the world. 六、进阶高分句型专练 (一)一般现在时的被动语态 the passive voice (simple present) 句型公式:主语 + am / is / are + 及物动词的过去分词 (+ by ...) 注意:强调动作的承受者时用被动语态;be 动词的形式要与主语在人称和数上保持一致。 ◆纸在我们的日常生活中被广泛使用。(核心词:be widely used, daily life) Paper is widely used in our daily lives. ◆今天便利贴被全世界的人们使用。(核心词:sticky notes, be used, all over the world) Sticky notes are used by people all over the world today. (二)一般过去时的被动语态 the passive voice (simple past) 句型公式:主语 + was / were + 及物动词的过去分词 (+ by ...) 注意:描述过去发生的被动动作时用 was / were + 过去分词;单数主语用 was,复数主语用 were。 ◆飞机是莱特兄弟发明的。(核心词:be invented by, the Wright brothers) The plane was invented by the Wright brothers. ◆便利贴是在一次意外中被发现的。(核心词:be discovered, by accident) Sticky notes were discovered by accident. (三)主动语态变被动语态(含 by 短语) turning the active voice into the passive voice 句型公式:主动:主语 + 及物动词 + 宾语 → 被动:宾语 + be + 过去分词 + by + 主语(用宾格) 注意:主动句的宾语变为被动句的主语;原主语前加 by 放到句末,人称代词要变成宾格。 ◆古代的人们用竹子写字。→ 竹子被古代的人们用来写字。(核心词:write on, bamboo, be written on) Ancient people wrote on bamboo. Bamboo was written on by ancient people. ◆科学家们尝试了许多方法。→ 许多方法被科学家们尝试过。(核心词:try, many methods, be tried) Scientists tried many methods. Many methods were tried by scientists. (四)被动语态的疑问句与否定式 questions and negatives in the passive voice 句型公式:一般疑问:Be 动词 + 主语 + 过去分词?;否定:主语 + be 动词 + not + 过去分词 注意:一般疑问句把 be 动词提到主语之前;否定式在 be 动词后面加 not。 ◆纸是什么时候发明的?(核心词:When was, invent) When was paper invented? ◆这些材料并不容易使用。(核心词:these materials, not, easy to use) These materials were not easy to use. 七、写作 The Invention of Paper Paper is one of the most important inventions in the world. It was invented by Cai Lun in ancient China. Before paper was invented, people wrote on animal bones, wood and bamboo. These materials were difficult to use and very expensive. Cai Lun tried many methods, and at last he got a creative idea. Plants and old clothes were mixed and boiled in water. Then the liquid was poured over a screen, and the fibre was dried and pressed to form paper. Papermaking has changed the world. Information could spread quickly and cheaply, so knowledge was shared widely. Later the technique was spread to Europe. Today paper is still widely used all over the world. 【中文翻译】 纸是世界上最重要的发明之一。它是由中国古代的蔡伦发明的。 在纸发明之前,人们把字写在动物骨头、木头和竹子上。这些材料难以使用,而且非常昂贵。蔡伦尝试了许多方法,最后想出了一个有创意的点子。植物和旧衣服被混合并在水中煮沸。接着,液体被倒在竹筛上,纤维被晾干并压平,制成纸。 造纸术改变了世界。信息得以迅速而廉价地传播,于是知识被广泛分享。后来这项技术被传到了欧洲。如今纸仍然在全世界被广泛使用。 【总体分析】 ①体裁:说明文(介绍一项发明)——按名称、发明者与时间、发明背景与过程、影响的顺序展开,条理清晰 ②语法:被动语态(was invented / were mixed / is used)+ be made from,符合本单元语法重点 ③结构:点明发明与发明者(开头)→ 发明背景、原因与制作过程(中间)→ 对世界的影响(结尾) 【亮点词汇】 one of the most important inventions(最重要的发明之一)/ be invented by(由……发明)/ a creative idea(一个有创意的点子)/ spread quickly and cheaply(迅速而廉价地传播)/ be widely used all over the world(在全世界被广泛使用) 【高分句型】 Paper is one of the most important inventions in the world.(one of + 最高级 + 复数名词,点明主题) It was invented by Cai Lun in ancient China.(一般过去时被动语态 + by 引出发明者) Plants and old clothes were mixed and boiled in water.(一般过去时被动语态描述制作过程) Then the liquid was poured over a screen, and the fibre was dried and pressed.(并列被动语态,按顺序说明步骤) Today paper is still widely used all over the world.(一般现在时被动语态说明至今的影响) 学科网(北京)股份有限公司 $ 2026 秋人教版九年级英语上册单元作文练习纸 Unit 5 Power of Ideas 单元话题写作 一、写作任务 Great inventions have changed our lives. Choose one invention from this unit, such as papermaking, the plane or sticky notes, and write a short passage about it. Tell what it is, who invented it, when and how it was invented, and what effect it has had on our lives. (100-120 words) 伟大的发明改变了我们的生活。请从本单元了解到的发明中选一项(如造纸术、飞机、便利贴),写一篇说明文介绍它:它是什么、由谁发明、何时以及如何发明,它对我们的生活产生了什么影响。词数 100-120 词。 二、审题要点 ◆(1)主题:                             ◆(2)文体:                             ◆(3)时态:                             ◆(4)要点:                             ◆(5)亮点提示:                             三、写作框架 开头 点明发明(Paper is one of the most important inventions in the world) 发明者与时间(It was invented by Cai Lun in ancient China) 正文 发明的背景(Before paper was invented, people wrote on wood and bamboo) 材料的问题(These materials were difficult to use and very expensive) 制作过程(Plants and old clothes were mixed and boiled in water) 关键步骤(The liquid was poured over a screen, and the fibre was dried and pressed) 结尾 对世界的影响(Papermaking has changed the world) 至今仍在使用(Today paper is still widely used all over the world) 四、词汇 / 短语积累 【核心词汇】 1. 发明(名)       2. 发明(动)       3. 发明家       4. 创造;作品       5. 有创造力的       6. 生产(动)       7. 产品       8. 材料       9. 实验       10. 方法       11. 成分;原料       12. 液体       13. 纤维       14. 层       15. 管道       16. 隧道       17. 车轮       18. 滑翔机       19. 现实;事实       20. 纸       21. 竹子       22. 丝绸       23. 青铜       24. 胶水       25. 黏的       26. 迅速的       27. 有责任的       28. 合适的       29. 便宜的       30. 昂贵的       31. 广泛地       【核心短语】 1. 由……制成(看得出原料)          2. 由……制成(看不出原料)          3. 被……发明          4. 被用来做……          5. 依靠;取决于          6. 例如          7. 导致;造成          8. 造成;导致          9. 令某人惊讶的是          10. 想出(主意)          11. 对……负责;引起          12. 把……与……混合          13. 被广泛使用          14. 全世界          15. 试图做某事          16. 加速          17. 后来;其后          18. 结果;因此          19. 超过          20. 在古代中国          五、句式练习 第一段(开头):点明发明与发明者 纸是世界上最重要的发明之一。(核心词:one of the most important inventions) ________________________________________________________________________________ 它是中国古代的蔡伦发明的。(核心词:be invented by, Cai Lun, ancient China) ________________________________________________________________________________ 许多发明改变了我们的生活。(核心词:many inventions, change our lives) ________________________________________________________________________________ 第二段(中间):发明背景与制作过程 在纸被发明之前,人们在木头和竹子上写字。(核心词:before, be invented, wood, bamboo) ________________________________________________________________________________ 这些材料很难使用,而且非常昂贵。(核心词:difficult to use, expensive) ________________________________________________________________________________ 原料被混合并在水中煮沸。(核心词:be mixed, be boiled, in water) ________________________________________________________________________________ 接着液体被倒在竹筛上,纤维被晾干并压平。(核心词:be poured over, screen, be dried and pressed) ________________________________________________________________________________ 这种纸又轻又便宜,制作和使用都很方便。(核心词:light, cheap, easy to make and use) ________________________________________________________________________________ 第三段(结尾):发明的影响 纸的使用使信息能够迅速传播。(核心词:make, information, spread, quickly) ________________________________________________________________________________ 如今纸仍然被全世界广泛使用。(核心词:be widely used, all over the world) ________________________________________________________________________________ 它确实改变了世界。(核心词:indeed, change the world) ________________________________________________________________________________ 六、进阶高分句型专练 (一)一般现在时的被动语态 the passive voice (simple present) 句型公式:主语 + am / is / are + 及物动词的过去分词 (+ by ...) 注意:强调动作的承受者时用被动语态;be 动词的形式要与主语在人称和数上保持一致。 ◆纸在我们的日常生活中被广泛使用。(核心词:be widely used, daily life) ________________________________________________________________________________ ◆今天便利贴被全世界的人们使用。(核心词:sticky notes, be used, all over the world) ________________________________________________________________________________ (二)一般过去时的被动语态 the passive voice (simple past) 句型公式:主语 + was / were + 及物动词的过去分词 (+ by ...) 注意:描述过去发生的被动动作时用 was / were + 过去分词;单数主语用 was,复数主语用 were。 ◆飞机是莱特兄弟发明的。(核心词:be invented by, the Wright brothers) ________________________________________________________________________________ ◆便利贴是在一次意外中被发现的。(核心词:be discovered, by accident) ________________________________________________________________________________ (三)主动语态变被动语态(含 by 短语) turning the active voice into the passive voice 句型公式:主动:主语 + 及物动词 + 宾语 → 被动:宾语 + be + 过去分词 + by + 主语(用宾格) 注意:主动句的宾语变为被动句的主语;原主语前加 by 放到句末,人称代词要变成宾格。 ◆古代的人们用竹子写字。→ 竹子被古代的人们用来写字。(核心词:write on, bamboo, be written on) ________________________________________________________________________________ ◆科学家们尝试了许多方法。→ 许多方法被科学家们尝试过。(核心词:try, many methods, be tried) ________________________________________________________________________________ (四)被动语态的疑问句与否定式 questions and negatives in the passive voice 句型公式:一般疑问:Be 动词 + 主语 + 过去分词?;否定:主语 + be 动词 + not + 过去分词 注意:一般疑问句把 be 动词提到主语之前;否定式在 be 动词后面加 not。 ◆纸是什么时候发明的?(核心词:When was, invent) ________________________________________________________________________________ ◆这些材料并不容易使用。(核心词:these materials, not, easy to use) ________________________________________________________________________________ 七、写作 The Invention of Paper ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 学科网(北京)股份有限公司 $

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Unit 5 单元作文练习 2026-2027学年人教版英语九年级上册
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Unit 5 单元作文练习 2026-2027学年人教版英语九年级上册
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