Unit 8 Making a Difference知识清单2025-2026学年人教版八年级英语下册

该初中英语单元知识清单系统整合了“Making a Difference”单元核心内容，涵盖重点词汇（含音标、词性、释义）、短语、句型、语法及中考专项，搭建从基础积累到语法应用再到写作输出的递进式学习支架。 清单通过“中考高频标注”“语法对比表”“写作模板”构建知识体系，如将“make a difference”标注为写作高频短语，用表格清晰对比for与since的用法，培养学生语言能力和思维品质。特别设计“志愿经历描述句型”等实用模块，不同水平学生可高效掌握，教师可直接用于教学设计，提升教学实效。

Unit 8 Making a Difference 一、重点单词（含音标 / 词性 / 释义） 表格 单词 音标 词性 中文释义 difference /ˈdɪfrəns/ n. 差异；不同；影响 volunteer /ˌvɒlənˈtɪə(r)/ n./v. 志愿者；自愿做 help /help/ v./n. 帮助；援助 help others /help ˈʌðəz/ phr. 帮助他人 clean up /kliːn ʌp/ phr. 清理；打扫 guide /ɡaɪd/ v./n. 引导；导游 guide visitors /ɡaɪd ˈvɪzɪtəz/ phr. 引导游客 visit /ˈvɪzɪt/ v./n. 拜访；参观 elderly /ˈeldəli/ adj. 年老的；年长的 give directions /ɡɪv dəˈrekʃnz/ phr. 指路 plant trees /plɑːnt triːz/ phr. 植树 sort waste /sɔːt weɪst/ phr. 垃圾分类 organization /ˌɔːɡənaɪˈzeɪʃn/ n. 组织；机构 since /sɪns/ prep./conj. 自从；因为 for /fɔː(r)/ prep. 持续；为了 animal shelter /ˈænɪml ˈʃeltə(r)/ n. 动物收容所 feed /fiːd/ v. 喂养；饲养 clean cages /kliːn ˈkeɪdʒɪz/ phr. 打扫笼子 take care of /teɪk keə ɒv/ phr. 照顾；照料 collect donations /kəˈlekt dəʊˈneɪʃnz/ phr. 收集捐赠物 walk dogs /wɔːk dɒɡz/ phr. 遛狗 shelter /ˈʃeltə(r)/ n. 收容所；庇护所 interview /ˈɪntəvjuː/ n./v. 采访；面试 used to /juːst tuː/ phr. 过去常常 pet /pet/ n. 宠物 nursing home /ˈnɜːsɪŋ həʊm/ n. 养老院 exercise /ˈeksəsaɪz/ v./n. 锻炼；练习 stay active /steɪ ˈæktɪv/ phr. 保持活跃 lonely /ˈləʊnli/ adj. 孤独的；寂寞的 care for /keə fɔː(r)/ phr. 关心；照顾 speech /spiːtʃ/ n. 演讲；发言 rescue /ˈreskjuː/ v./n. 救援；营救 emergency /ɪˈmɜːdʒənsi/ n. 紧急情况；突发事件 team /tiːm/ n. 团队；队伍 teamwork /ˈtiːmwɜːk/ n. 团队合作 medical aid /ˈmedɪkl eɪd/ phr. 医疗援助 natural disaster /ˈnætʃrəl dɪˈzɑːstə(r)/ phr. 自然灾害 voluntary /ˈvɒləntri/ adj. 自愿的；义务的 primary goal /ˈpraɪməri ɡəʊl/ phr. 首要目标 danger /ˈdeɪndʒə(r)/ n. 危险；风险 worth /wɜːθ/ adj. 值得的 join /dʒɔɪn/ v. 加入；参加 make a difference /meɪk ə ˈdɪfrəns/ phr. 产生影响；有所作为 二、重点短语 1. make a difference 有所作为；产生影响 2. help others 帮助他人 3. volunteer work 志愿工作 4. clean up 清理；打扫 5. guide visitors 引导游客 6. visit the elderly 看望老人 7. give directions 指路 8. plant trees 植树 9. sort waste 垃圾分类 10. an environmental organization 环保组织 11. since 2020 /last year 自从 2020 年 / 去年以来 12. for three years 持续三年 13. give directions to players 给球员指路 14. clean up the stadium after matches 比赛后清理体育场 15. talk through the museum 在博物馆讲解 16. pick up rubbish and cans 捡垃圾和罐子 17. animal shelter 动物收容所 18. feed animals 喂动物 19. clean cages 打扫笼子 20. take care of sick animals 照顾生病的动物 21. collect donations 收集捐赠物 22. walk dogs 遛狗 23. nursing home 养老院 24. exercise with the elderly 和老人一起锻炼 25. stay active 保持活跃 26. play Chinese chess with the elderly 和老人下象棋 27. teach the elderly how to use a mobile phone 教老人用手机 28. care for the elderly 关心老人 29. Blue Sky Rescue 蓝天救援队 30. call an emergency number 拨打紧急电话 31. get help quickly 快速获得帮助 32. teach people how to stay safe 教人们如何保持安全 33. prepare for the worst 为最坏的情况做准备 34. provide medical aid 提供医疗援助 35. search for missing people 搜寻失踪人员 36. practical life-saving skills 实用的救生技能 37. the power of teamwork 团队合作的力量 38. the value of every life 每个生命的价值 39. go without food or sleep 不吃不睡 40. rush into danger 冲进危险中 41. make everything we do worth it 让我们所做的一切都值得 42. join us as a volunteer 加入我们成为志愿者 43. make a difference together 一起有所作为 三、中考高频词汇 & 短语 1. 高频词汇（中考完形 / 阅读常考） volunteer, help, clean up, guide, visit, elderly, plant trees, sort waste, organization, since, for, animal shelter, feed, take care of, collect donations, nursing home, exercise, lonely, care for, rescue, emergency, team, teamwork, medical aid, natural disaster, voluntary, danger, join, difference 2. 高频搭配（中考单选 / 写作高频） · make a difference 有所作为（中考写作高频短语） · help others 帮助他人（写作高频主题） · take care of 照顾；照料（中考高频短语） · care for 关心；照顾（中考高频短语） · since + 过去时间点 /for + 时间段（现在完成时核心搭配，中考语法高频） · used to do sth. 过去常常做某事（中考高频短语） · be proud to do sth. 自豪地做某事（完形常考） · join an organization 加入组织（完形常考） · face difficulties 面对困难（完形常考） · learn skills 学习技能（完形常考） 四、重点句型（情景对话 + 书面表达通用） 1. 谈论志愿经历（现在完成时 + since/for） · How long have you been a volunteer?你当志愿者多久了？ · I’ve been a volunteer for three years / since last year.我当志愿者三年了 / 从去年开始当志愿者。 · I’ve volunteered at an animal shelter since 2022.我从 2022 年开始就在动物收容所做志愿者。 · She has been a volunteer at a nursing home for a few months.她在养老院当志愿者已经几个月了。 2. 描述志愿工作内容 · I help the players and give directions. I clean up the stadium after matches too.我帮球员指路，比赛后也清理体育场。 · I talk through the museum and provide information about the exhibits.我在博物馆讲解，提供展品信息。 · I exercise with the elderly to help them stay active.我和老人一起锻炼，帮助他们保持活跃。 · At the animal shelter, I clean the cages and walk the dogs.在动物收容所，我打扫笼子、遛狗。 3. 表达志愿的意义与感受 · Volunteering makes me feel proud and happy.做志愿让我感到自豪和快乐。 · Helping others can make a big difference to both them and me.帮助他人对他们和我都有很大影响。 · I’ve learnt the importance of teamwork and caring for others.我学会了团队合作和关心他人的重要性。 · It’s our duty to look after the environment / the elderly.保护环境 / 照顾老人是我们的责任。 4. 邀请与呼吁 · Would you like to join our volunteer group?你想加入我们的志愿者小组吗？ · Together we can make a difference!我们一起就能有所作为！ · Everyone can do something to help others.每个人都可以做些事来帮助他人。 五、重点语法（含中考考点解析） 现在完成时：since & for 的用法 —— 本单元核心语法 & 中考高频考点 1. for 与 since 的区别 表格 用法 搭配 例句 for 后接时间段（表示动作持续多久） I have been a volunteer for three years. since 后接过去的时间点 / 从句（表示动作从何时开始） I have been a volunteer since 2022. / I have volunteered here since I was 12. 2. 中考高频句型结构 · 主语 + have/has + 过去分词 + for + 时间段 1. She has worked as a volunteer for five months. · 主语 + have/has + 过去分词 + since + 过去时间点/一般过去时从句 2. He has been in the team since last August. 2. I have known her since we were children. 3. 中考易错点 · for 和 since 不能互换使用： 1. 错误：I have lived here since three years. 1. 正确：I have lived here for three years. / I have lived here since three years ago. · 对 for/since 引导的时间状语提问，要用 How long： 2. How long have you been a volunteer? → For two years. / Since 2020. 六、中考语法考点专项（本单元高频） 1.现在完成时 since/for 的语境辨析中考单选 / 完形高频考点： 2. 区分 for + 时间段 和 since + 时间点。 2. 易错点：since 后接从句时，从句要用一般过去时，主句用现在完成时。 2. 正确：He has lived here since he moved to the city. 2. 错误：He has lived here since he moves to the city. 2.现在完成时的延续性动词（中考高频） 2. 短暂性动词（如 join, leave, begin）不能与 for/since 连用，需转换为延续性动词： 3. join → be in / be a member of 3. leave → be away 3. begin → be on 2. 例句：He has been in the volunteer group for two years.（不用 has joined） 3.used to 的用法（中考常考） 2. 表示 “过去常常做某事（现在不做了）”，后接动词原形： 5. I used to have a pet dog when I was a child. 2. 易错点：否定形式为 didn’t use to 或 usedn’t to，疑问形式为 Did you use to ...? 七、中考补充拓展：单元写作模板 1. 志愿活动 / 帮助他人类作文开头 · Volunteering is a great way to help others and make a difference in the world. · I have been a volunteer at an animal shelter for two years, and it has changed my life. · Helping others not only makes them happy but also brings us a sense of pride and joy. 2. 描述志愿工作与经历 · I have volunteered at a nursing home since last year. Every weekend, I visit the elderly, play chess with them, and help them learn to use mobile phones. · At the animal shelter, I clean the cages, feed the animals, and walk the dogs. It’s tiring but very rewarding. · During the summer vacation, I joined a beach clean-up activity. We picked up rubbish and cans to protect the environment. 3. 表达意义与收获（中考加分） · Volunteering has taught me the importance of caring for others and working as a team. · It has also helped me develop many practical skills, like communication and problem-solving. · Every small action can make a big difference. Even simple things like giving directions or visiting the elderly can brighten someone’s day. 4. 结尾（呼吁与升华） · I hope more people will join volunteer work. Together, we can make the world a better place. · Helping others is not just about giving; it’s also about learning and growing. I will keep volunteering in the future. 学科网（北京）股份有限公司 $