Unit 4 单元作文练习 2026-2027学年沪外教版英语七年级下册

2026-10-06
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2026 春沪外教版七年级英语下册单元作文练习纸 Unit 4 Epic engineering 单元话题写作 一、写作任务 Write a short description of Dujiangyan in Chengdu, a great example of epic engineering still in use today. Give a topic sentence and supporting details. (60-80 words) 请写一段简短的说明文,介绍成都的都江堰——如今仍在使用的一项伟大工程奇迹。要求有主题句(topic sentence)和支撑细节。词数 60-80 词。 二、审题要点 ◆(1)主题:介绍工程奇迹都江堰——基本信息、挑战与解决办法以及它的意义 ◆(2)文体:说明文·工程奇迹(主题句 + 分条事实 + 总结,借助 outline 组织) ◆(3)时态:介绍事实用一般现在时,介绍历史背景时用一般过去时 ◆(4)要点:①点明都江堰的地位与设计者(主题句);②说明它的组成部分;③写它如何应对洪水与干旱;④总结它对当地人的意义和体现的智慧 ◆(5)亮点提示:although / though 引导让步状语从句;be made up of / keep ... from ... / guide water into ...;topic sentence + supporting details 三、写作框架 开头 点明地位并给出基本信息(主题句)(Dujiangyan in Chengdu is a great example of epic engineering, and it is still in use today) 正文 说明组成部分(It has three parts: Yuzui, Feishayan and Baopingkou) 写如何应对洪水(In rainy seasons, Yuzui and Feishayan keep water from entering the inner river) 写如何应对干旱(In dry seasons, Baopingkou guides water into the farms) 结尾 总结意义(让步从句)(Although it is old, it still improves the life of local people) 点出启示(It shows the wisdom of the Chinese people) 四、词汇 / 短语积累 【核心词汇】 1. 工程engineering 2. 铁路railway 3. 桥梁bridge 4. 水坝dam 5. 运河canal 6. 隧道tunnel 7. 通道passage 8. 材料material 9. 连接connect 10. 提升;抬起lift 11. 设计design 12. 挑战challenge 13. 克服overcome 14. 解决办法solution 15. 能量energy 16. 氧气oxygen 17. 环境environment 18. 保护protect 19. 减少reduce 20. 噪音noise 21. 工具tool 22. 发明invent 23. 控制control 24. 阻挡block 25. 洪水flood 26. 智慧wisdom 27. 历史history 28. 记录record 29. 完成complete 30. 沙漠desert 【核心短语】 1. 工程奇迹engineering wonder 2. 由……组成be made up of 3. 阻止……做某事keep ... from doing 4. 把水引入guide water into 5. 挡住阳光block the sun 6. 控制河流control the rivers 7. 减少噪音reduce noise 8. 保护环境protect the environment 9. 发明方法invent ways 10. 克服挑战overcome challenges 11. 解决问题solve the problem 12. 氧气含量oxygen levels 13. 恶劣天气terrible weather 14. 使用工具use tools 15. 把……和……连接起来connect ... with ... 16. 尽最大努力do one's best 17. 在地面上above ground 18. 穿越沙漠through deserts 19. 仍在使用in use 20. 两千多年over 2,000 years 21. 当地人local people 五、句式练习 第一段(开头):点明地位与基本信息 都江堰是成都的一项伟大工程奇迹,至今仍在使用。(核心词:engineering wonder, still in use) Dujiangyan is a great engineering wonder in Chengdu and it is still in use today. 李冰在两千多年前设计了它。(核心词:design, over 2,000 years ago) Li Bing designed it over 2,000 years ago. 它由三个部分组成。(核心词:be made up of, three parts) It is made up of three parts. 第二段(中间):挑战与解决办法 在雨季,鱼嘴和飞沙堰阻止过多的水进入内江。(核心词:keep ... from, inner river) In rainy seasons, Yuzui and Feishayan keep too much water from entering the inner river. 在旱季,宝瓶口把水引入农田。(核心词:guide water into, farms) In dry seasons, Baopingkou guides water into the farms. 工程师们发明了许多方法来解决问题。(核心词:invent ways, solve the problem) Engineers invented many ways to solve the problem. 他们筑墙挡住阳光,让地面保持更冷。(核心词:block the sun, keep the ground colder) They built walls to block the sun and keep the ground colder. 他们还修建了特别的通道,供动物穿过铁路。(核心词:special passages, cross the railway) They also built special passages for animals to cross the railway. 第三段(结尾):意义与启示 虽然都江堰很古老,但它仍然改善着当地人的生活。(核心词:Although, improve the life of) Although it is old, it still improves the life of local people. 它展现了中国人民的智慧。(核心词:show the wisdom of) It shows the wisdom of the Chinese people. 尽管有重重挑战,中国工程师还是创造了历史。(核心词:Although, make history) Although there were many challenges, Chinese engineers made history. 六、进阶高分句型专练 (一)although / though 放在主句前 although / though before the main clause 句型公式:Although / Though + 从句, + 主句 注意:although 和 though 都表示让步,意为“虽然、尽管”;逗号放在从句之后 ◆虽然很困难,中国工程师还是尽力克服了挑战。(核心词:Although, do their best, overcome) Although it was difficult, Chinese engineers did their best to overcome the challenges. ◆虽然这座水坝很久以前就建成了,它仍被用来防洪。(核心词:Though, a long time ago, stop floods) Though the dam was built a long time ago, it is still used to stop floods. (二)although / though 放在主句后 although / though after the main clause 句型公式:主句 + although / though + 从句 注意:放在主句后时,although / though 前一般不加逗号;两种位置意思相同 ◆工人们设法按时完成了工程,虽然他们面临许多困难。(核心词:manage to, on time, although) The workers managed to complete the project on time although they faced many difficulties. ◆工程师们发明了巧妙的方法,尽管他们对此并不熟悉。(核心词:invent clever ways, though) The engineers invented clever ways though they were not familiar with it. (三)even though 表示强调 even though 句型公式:even + though + 从句(不能用 even although) 注意:在 though 前加 even 可以加强语气,表示“即使、尽管”;although 前不能加 even ◆即使挑战巨大,他们也从不放弃。(核心词:Even though, never give up) Even though the challenges were huge, they never gave up. ◆尽管很艰难,工程师们还是努力工作。(核心词:Even though, work hard) Even though it was hard, the engineers worked hard. (四)though 与 although 的用法区别 though vs although 句型公式:although / though + 从句;表示让步时二者常可互换,though 在口语中更常用 注意:though / although 都不能与 but 连用,不能说 Although ..., but ... ◆虽然他努力工作,他还是没有通过考试。(核心词:although, fail the exam) Although he worked hard, he failed the exam. ◆她很累,但她仍然继续工作。(核心词:though, keep working) She kept working though she was very tired. 七、写作 Dujiangyan: An Engineering Wonder Dujiangyan: An Engineering Wonder Dujiangyan in Chengdu is a great example of epic engineering, and it is still in use today. Li Bing designed it over 2,000 years ago. It has three parts: Yuzui, Feishayan and Baopingkou. In rainy seasons, Yuzui and Feishayan keep water from entering the inner river. In dry seasons, Baopingkou guides water into the farms. Although it is old, it still improves the life of local people. It shows the wisdom of the Chinese people. 【中文翻译】 都江堰:一项工程奇迹 成都的都江堰是一项伟大工程奇迹的典范,至今仍在使用。李冰在两千多年前设计了它。 它由三个部分组成:鱼嘴、飞沙堰和宝瓶口。雨季时,鱼嘴和飞沙堰阻止水进入内江;旱季时,宝瓶口把水引入农田。 虽然它很古老,但它仍然改善着当地人的生活。它展现了中国人民的智慧。 【总体分析】 ①体裁:说明文·工程奇迹——有标题,主题句点明地位与设计者,正文分条陈述事实,结尾总结意义 ②语法:although / though 引导让步状语从句(Although it is old, it still ...);be made up of(组成);keep ... from entering(阻止……进入) ③结构:主题句 + 基本信息(开头)→ 组成部分与挑战解决办法(中间)→ 意义与启示(结尾),话题句与支撑细节对应清楚 【亮点词汇】 engineering wonder(工程奇迹)/ be made up of(由……组成)/ keep ... from ...(阻止……)/ guide water into(把水引入)/ the wisdom of(……的智慧) 【高分句型】 Dujiangyan in Chengdu is a great example of epic engineering.(主题句,点明说明对象) It has three parts: Yuzui, Feishayan and Baopingkou.(分条列举组成部分) In dry seasons, Baopingkou guides water into the farms.(用导水动词说明解决办法) Although it is old, it still improves the life of local people.(although 让步从句,收尾总结意义) 学科网(北京)股份有限公司 $ 2026 春沪外教版七年级英语下册单元作文练习纸 Unit 4 Epic engineering 单元话题写作 一、写作任务 Write a short description of Dujiangyan in Chengdu, a great example of epic engineering still in use today. Give a topic sentence and supporting details. (60-80 words) 请写一段简短的说明文,介绍成都的都江堰——如今仍在使用的一项伟大工程奇迹。要求有主题句(topic sentence)和支撑细节。词数 60-80 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 点明地位并给出基本信息(主题句)(Dujiangyan in Chengdu is a great example of epic engineering, and it is still in use today) 正文 说明组成部分(It has three parts: Yuzui, Feishayan and Baopingkou) 写如何应对洪水(In rainy seasons, Yuzui and Feishayan keep water from entering the inner river) 写如何应对干旱(In dry seasons, Baopingkou guides water into the farms) 结尾 总结意义(让步从句)(Although it is old, it still improves the life of local people) 点出启示(It shows the wisdom of the Chinese people) 四、词汇 / 短语积累 【核心词汇】 1. 工程       2. 铁路       3. 桥梁       4. 水坝       5. 运河       6. 隧道       7. 通道       8. 材料       9. 连接       10. 提升;抬起       11. 设计       12. 挑战       13. 克服       14. 解决办法       15. 能量       16. 氧气       17. 环境       18. 保护       19. 减少       20. 噪音       21. 工具       22. 发明       23. 控制       24. 阻挡       25. 洪水       26. 智慧       27. 历史       28. 记录       29. 完成       30. 沙漠       【核心短语】 1. 工程奇迹          2. 由……组成          3. 阻止……做某事          4. 把水引入          5. 挡住阳光          6. 控制河流          7. 减少噪音          8. 保护环境          9. 发明方法          10. 克服挑战          11. 解决问题          12. 氧气含量          13. 恶劣天气          14. 使用工具          15. 把……和……连接起来          16. 尽最大努力          17. 在地面上          18. 穿越沙漠          19. 仍在使用          20. 两千多年          21. 当地人          五、句式练习 第一段(开头):点明地位与基本信息 都江堰是成都的一项伟大工程奇迹,至今仍在使用。(核心词:engineering wonder, still in use) ________________________________________________________________________________ 李冰在两千多年前设计了它。(核心词:design, over 2,000 years ago) ________________________________________________________________________________ 它由三个部分组成。(核心词:be made up of, three parts) ________________________________________________________________________________ 第二段(中间):挑战与解决办法 在雨季,鱼嘴和飞沙堰阻止过多的水进入内江。(核心词:keep ... from, inner river) ________________________________________________________________________________ 在旱季,宝瓶口把水引入农田。(核心词:guide water into, farms) ________________________________________________________________________________ 工程师们发明了许多方法来解决问题。(核心词:invent ways, solve the problem) ________________________________________________________________________________ 他们筑墙挡住阳光,让地面保持更冷。(核心词:block the sun, keep the ground colder) ________________________________________________________________________________ 他们还修建了特别的通道,供动物穿过铁路。(核心词:special passages, cross the railway) ________________________________________________________________________________ 第三段(结尾):意义与启示 虽然都江堰很古老,但它仍然改善着当地人的生活。(核心词:Although, improve the life of) ________________________________________________________________________________ 它展现了中国人民的智慧。(核心词:show the wisdom of) ________________________________________________________________________________ 尽管有重重挑战,中国工程师还是创造了历史。(核心词:Although, make history) ________________________________________________________________________________ 六、进阶高分句型专练 (一)although / though 放在主句前 although / though before the main clause 句型公式:Although / Though + 从句, + 主句 注意:although 和 though 都表示让步,意为“虽然、尽管”;逗号放在从句之后 ◆虽然很困难,中国工程师还是尽力克服了挑战。(核心词:Although, do their best, overcome) ________________________________________________________________________________ ◆虽然这座水坝很久以前就建成了,它仍被用来防洪。(核心词:Though, a long time ago, stop floods) ________________________________________________________________________________ (二)although / though 放在主句后 although / though after the main clause 句型公式:主句 + although / though + 从句 注意:放在主句后时,although / though 前一般不加逗号;两种位置意思相同 ◆工人们设法按时完成了工程,虽然他们面临许多困难。(核心词:manage to, on time, although) ________________________________________________________________________________ ◆工程师们发明了巧妙的方法,尽管他们对此并不熟悉。(核心词:invent clever ways, though) ________________________________________________________________________________ (三)even though 表示强调 even though 句型公式:even + though + 从句(不能用 even although) 注意:在 though 前加 even 可以加强语气,表示“即使、尽管”;although 前不能加 even ◆即使挑战巨大,他们也从不放弃。(核心词:Even though, never give up) ________________________________________________________________________________ ◆尽管很艰难,工程师们还是努力工作。(核心词:Even though, work hard) ________________________________________________________________________________ (四)though 与 although 的用法区别 though vs although 句型公式:although / though + 从句;表示让步时二者常可互换,though 在口语中更常用 注意:though / although 都不能与 but 连用,不能说 Although ..., but ... ◆虽然他努力工作,他还是没有通过考试。(核心词:although, fail the exam) ________________________________________________________________________________ ◆她很累,但她仍然继续工作。(核心词:though, keep working) ________________________________________________________________________________ 七、写作 Dujiangyan: An Engineering Wonder ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 学科网(北京)股份有限公司 $

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Unit 4 单元作文练习 2026-2027学年沪外教版英语七年级下册
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Unit 4 单元作文练习 2026-2027学年沪外教版英语七年级下册
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