Unit 7 单元作文练习 2026-2027学年沪外教版英语七年级上册

2026-10-06
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2026 秋沪外教版七年级英语上册单元作文练习纸 Unit 7 Global warming 单元话题写作 一、写作任务 Reducing our carbon footprint. Write an open letter about reducing our carbon footprint. In the letter, give advice on the best ways to take climate action and ask people to take action. Use should to express your ideas. (60-80 words) 减少我们的碳足迹。请写一封关于减少碳足迹的公开信:在信中给出采取气候行动的最佳建议,并呼吁人们行动;用 should 表达你的想法。词数 60-80 词。 二、审题要点 ◆(1)主题:写一封公开信,呼吁大家采取行动减少碳足迹 ◆(2)文体:公开信(称呼 + 正文 + 结束语 + 署名) ◆(3)时态:一般现在时(提出建议)+ 现在完成时(说明已发生的变化) ◆(4)要点:①称呼并点明主题;②从衣物、居家、出行等方面提出建议;③用现在完成时说明全球变暖的影响;④呼吁行动并署名 ◆(5)亮点提示:should 提建议;现在完成时 have / has + 过去分词;already / yet;take action;make a real difference 三、写作框架 开头 称呼(Dear friends) 点明主题(Everyone can help reduce our carbon footprint by taking small steps) 正文 衣物方面的建议(We should take good care of our clothes and buy second-hand clothes) 居家方面的建议(At home, we should turn down the heating by one degree in winter) 出行方面的建议(We can also choose a green way to get around, like walking or taking a bus) 已有变化(The Earth has become warmer, and many animals have lost their homes) 结尾 呼吁行动(Let us take action now and make a real difference) 结束语与署名(Best wishes / Wang Xin) 四、词汇 / 短语积累 【核心词汇】 1. 全球变暖global warming 2. 气候climate 3. 温度temperature 4. 能源;能量energy 5. 燃料fuel 6. 电electricity 7. 石油oil 8. 气体gas 9. 温室效应greenhouse effect 10. 人类活动human activity 11. 上升;增长rise 12. 融化melt 13. 海洋sea 14. 海平面sea level 15. 极地的polar 16. 熊bear 17. 猎捕hunt 18. 海豹seal 19. 无家可归的homeless 20. 困难的difficult 21. 干燥dry 22. 咸的salty 23. 减少reduce 24. 回收利用recycle 25. 拯救save 26. 森林forest 27. 火灾fire 28. 干旱drought 【核心短语】 1. 处于危险中at risk 2. 使某事困难make sth difficult 3. 变热heat up 4. 变干dry out 5. 丧失生命lose lives 6. 极端天气extreme weather 7. 碳足迹carbon footprint 8. 清洁能源clean energy 9. 关掉turn off 10. 调低turn down 11. 骑自行车ride a bike 12. 采取行动take action 13. 结果as a result 14. 猎取;搜寻hunt for 15. 浮出水面come up 16. 让某人失望let sb down 17. 在某人手中in one's hands 18. 砍倒cut down 五、句式练习 第一段(开头):称呼并点明主题 亲爱的朋友们:(核心词:salutation) Dear friends, 每个人都可以通过小事帮助减少碳足迹。(核心词:reduce, carbon footprint, small steps) Everyone can help reduce our carbon footprint by taking small steps. 第二段(中间):提出建议并说明影响 我们应该好好爱护衣服,并购买二手衣服。(核心词:should, take good care of) We should take good care of our clothes and buy second-hand clothes. 在家里,我们可以在冬天把暖气调低一度。(核心词:should, turn down, one degree) At home, we should turn down the heating by one degree in winter. 我们还可以选择绿色的出行方式,比如步行或坐公交车。(核心词:choose a green way, like) We can also choose a green way to get around, like walking or taking a bus. 地球的温度已经上升了。(核心词:have risen) The Earth has become warmer. 许多动物已经失去了家园。(核心词:have lost their homes) Many animals have lost their homes. 我们应该回收利用纸张和瓶子。(核心词:should, recycle) We should recycle paper and bottles. 第三段(结尾):呼吁行动并署名 让我们现在就采取行动吧!(核心词:take action) Let us take action now! 让我们一起作出真正的改变。(核心词:make a real difference) Let us work together to make a real difference. 致以最美好的祝愿,王欣。(核心词:closing and signature) Best wishes, Wang Xin 六、进阶高分句型专练 (一)现在完成时的构成 present perfect: form 句型公式:主语 + have / has + 过去分词 注意:表示过去发生但对现在有影响的动作,或从过去持续到现在的状态 ◆地球的温度已经上升了约一度。(核心词:has risen) The Earth's temperature has risen by about one degree. ◆我刚刚读了一篇关于碳足迹的文章。(核心词:have just read) I have just read an article about carbon footprints. (二)不规则动词的过去分词 present perfect: irregular past participles 句型公式:不规则动词用固定的过去分词,如 lose → lost, do → done, write → written 注意:有的动词过去式和过去分词相同,如 lose - lost - lost;有的不同,如 write - wrote - written ◆一些蜜蜂的舌头已经变短了。(核心词:have got shorter) Some bees' tongues have got shorter. ◆我们已经完成了关于全球变暖的报告。(核心词:have done) We have done the report on global warming. (三)现在完成时的否定句 present perfect: negatives 句型公式:主语 + have not (haven't) / has not (hasn't) + 过去分词 注意:否定句常用 yet 放在句末,表示“还没有” ◆科学家们还没有想出好主意。(核心词:haven't come up with, yet) Scientists haven't come up with a good idea yet. ◆今年冬天还没有下雪。(核心词:hasn't snowed, yet) It hasn't snowed this winter yet. (四)already / just / yet 的用法 already / just / yet 句型公式:肯定句用 already / just;否定句和疑问句用 yet 注意:already 表示“已经”,just 表示“刚刚”,yet 表示“还(没有)”,多放在句末 ◆海平面已经上升了很多。(核心词:has already risen) The sea level has already risen a lot. ◆他们已经找到气候变化的原因了吗?(核心词:Have they found, yet) Have they found the causes of climate change yet? 七、写作 An Open Letter on Reducing Our Carbon Footprint Dear friends, Everyone can help reduce our carbon footprint by taking small steps. We should take good care of our clothes and buy second-hand clothes. At home, we should turn down the heating by one degree in winter. We can also choose a green way to get around, like walking or taking a bus. Let us take action now and make a real difference! Best wishes, Wang Xin 【中文翻译】 亲爱的朋友们: 每个人都可以通过小事帮助减少碳足迹。我们应该好好爱护衣服,并购买二手衣服。在家里,我们可以在冬天把暖气调低一度。我们还可以选择绿色的出行方式,比如步行或坐公交车。 让我们现在就采取行动,作出真正的改变! 致以最美好的祝愿, 王欣 【总体分析】 ①体裁:公开信——含称呼 Dear friends、正文、结束语 Best wishes 与署名,格式完整;正文按衣物、居家、出行分条给建议 ②语法:should 提出建议;现在完成时(has become / have lost)说明已发生的变化,体现对现在的影响 ③结构:称呼并点明主题(开头)→ 分条建议与已有变化(中间)→ 呼吁行动与署名(结尾) 【亮点词汇】 reduce our carbon footprint(减少碳足迹)/ take small steps(从小事做起)/ take good care of(好好爱护)/ second-hand clothes(二手衣服)/ turn down the heating(调低暖气)/ make a real difference(作出真正的改变) 【高分句型】 Everyone can help reduce our carbon footprint by taking small steps.(by doing 说明方式) We can also choose a green way to get around, like walking or taking a bus.(like + 动名词举例) Many animals have lost their homes.(现在完成时说明变化及其影响) Let us take action now and make a real difference!(用祈使式呼吁收尾,有感召力) 学科网(北京)股份有限公司 $ 2026 秋沪外教版七年级英语上册单元作文练习纸 Unit 7 Global warming 单元话题写作 一、写作任务 Reducing our carbon footprint. Write an open letter about reducing our carbon footprint. In the letter, give advice on the best ways to take climate action and ask people to take action. Use should to express your ideas. (60-80 words) 减少我们的碳足迹。请写一封关于减少碳足迹的公开信:在信中给出采取气候行动的最佳建议,并呼吁人们行动;用 should 表达你的想法。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 称呼(Dear friends) 点明主题(Everyone can help reduce our carbon footprint by taking small steps) 正文 衣物方面的建议(We should take good care of our clothes and buy second-hand clothes) 居家方面的建议(At home, we should turn down the heating by one degree in winter) 出行方面的建议(We can also choose a green way to get around, like walking or taking a bus) 已有变化(The Earth has become warmer, and many animals have lost their homes) 结尾 呼吁行动(Let us take action now and make a real difference) 结束语与署名(Best wishes / Wang Xin) 四、词汇 / 短语积累 【核心词汇】 1. 全球变暖       2. 气候       3. 温度       4. 能源;能量       5. 燃料       6. 电       7. 石油       8. 气体       9. 温室效应       10. 人类活动       11. 上升;增长       12. 融化       13. 海洋       14. 海平面       15. 极地的       16. 熊       17. 猎捕       18. 海豹       19. 无家可归的       20. 困难的       21. 干燥       22. 咸的       23. 减少       24. 回收利用       25. 拯救       26. 森林       27. 火灾       28. 干旱       【核心短语】 1. 处于危险中          2. 使某事困难          3. 变热          4. 变干          5. 丧失生命          6. 极端天气          7. 碳足迹          8. 清洁能源          9. 关掉          10. 调低          11. 骑自行车          12. 采取行动          13. 结果          14. 猎取;搜寻          15. 浮出水面          16. 让某人失望          17. 在某人手中          18. 砍倒          五、句式练习 第一段(开头):称呼并点明主题 亲爱的朋友们:(核心词:salutation) ________________________________________________________________________________ 每个人都可以通过小事帮助减少碳足迹。(核心词:reduce, carbon footprint, small steps) ________________________________________________________________________________ 第二段(中间):提出建议并说明影响 我们应该好好爱护衣服,并购买二手衣服。(核心词:should, take good care of) ________________________________________________________________________________ 在家里,我们可以在冬天把暖气调低一度。(核心词:should, turn down, one degree) ________________________________________________________________________________ 我们还可以选择绿色的出行方式,比如步行或坐公交车。(核心词:choose a green way, like) ________________________________________________________________________________ 地球的温度已经上升了。(核心词:have risen) ________________________________________________________________________________ 许多动物已经失去了家园。(核心词:have lost their homes) ________________________________________________________________________________ 我们应该回收利用纸张和瓶子。(核心词:should, recycle) ________________________________________________________________________________ 第三段(结尾):呼吁行动并署名 让我们现在就采取行动吧!(核心词:take action) ________________________________________________________________________________ 让我们一起作出真正的改变。(核心词:make a real difference) ________________________________________________________________________________ 致以最美好的祝愿,王欣。(核心词:closing and signature) ________________________________________________________________________________ 六、进阶高分句型专练 (一)现在完成时的构成 present perfect: form 句型公式:主语 + have / has + 过去分词 注意:表示过去发生但对现在有影响的动作,或从过去持续到现在的状态 ◆地球的温度已经上升了约一度。(核心词:has risen) ________________________________________________________________________________ ◆我刚刚读了一篇关于碳足迹的文章。(核心词:have just read) ________________________________________________________________________________ (二)不规则动词的过去分词 present perfect: irregular past participles 句型公式:不规则动词用固定的过去分词,如 lose → lost, do → done, write → written 注意:有的动词过去式和过去分词相同,如 lose - lost - lost;有的不同,如 write - wrote - written ◆一些蜜蜂的舌头已经变短了。(核心词:have got shorter) ________________________________________________________________________________ ◆我们已经完成了关于全球变暖的报告。(核心词:have done) ________________________________________________________________________________ (三)现在完成时的否定句 present perfect: negatives 句型公式:主语 + have not (haven't) / has not (hasn't) + 过去分词 注意:否定句常用 yet 放在句末,表示“还没有” ◆科学家们还没有想出好主意。(核心词:haven't come up with, yet) ________________________________________________________________________________ ◆今年冬天还没有下雪。(核心词:hasn't snowed, yet) ________________________________________________________________________________ (四)already / just / yet 的用法 already / just / yet 句型公式:肯定句用 already / just;否定句和疑问句用 yet 注意:already 表示“已经”,just 表示“刚刚”,yet 表示“还(没有)”,多放在句末 ◆海平面已经上升了很多。(核心词:has already risen) ________________________________________________________________________________ ◆他们已经找到气候变化的原因了吗?(核心词:Have they found, yet) ________________________________________________________________________________ 七、写作 An Open Letter on Reducing Our Carbon Footprint ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 学科网(北京)股份有限公司 $

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Unit 7 单元作文练习 2026-2027学年沪外教版英语七年级上册
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Unit 7 单元作文练习 2026-2027学年沪外教版英语七年级上册
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