Unit 1 Festivals and celebrations 单词变形词性转换及历年相关词汇高考真题和高频考点 任务单即词汇专项训练之默写单（全国通用）-2027届高考一轮复习人教版必修第三册暑期加油站

该高中英语高考复习任务单系统梳理了Unit 1核心高频单词的词形转换体系，将30个基础词汇按“动词-名词-形容词-副词”变形规律分类，关联阅读、完型、语法填空及写作的词汇应用需求，通过填空试题引导学生自主推导词性变化规则，构建完整的词汇知识网络，体现考点梳理的系统性和层次性。 亮点在于诊断性自测与高考真题联动设计，开篇设置30道单词变形填空题帮助学生自主诊断薄弱环节，配套近10年高考改编题强化语法填空等题型的考点应用，培养学生的语言能力和学习能力。每个单词模块均标注词源及高考考查频次，学生可针对性总结变形规律，教师能通过学情精准指导，有效支持个性化复习和因材施教。

2027届高考一轮复习：unit 1核心高频单词转换及近10年相关高考题 适配新高考覆盖阅读+完型+语法填空+作文 1. congratulate(vt.祝贺)→congratulation(n.祝贺；恭喜)→congratulatory(adj.祝贺的) 2. origin(n.起源；出身)→original(adj.原始的；原创的)→originally(adv.起初；原本) 3. religion(n.宗教；宗教信仰)→religious(adj.宗教的；笃信宗教的)→religiously(adv.虔诚地) 4. charm(n.魅力/vt.迷住)→charming(adj.迷人的)→charmingly(adv.迷人地) 5. joy(n.高兴；喜悦)→joyful(adj.高兴的；快乐的)→joyfully(adv.高兴地) 6. gratitude(n.感激之情；感谢)→grateful(adj.感激的)→gratefully(adv.感激地) 7. agriculture(n.农业；农艺)→agricultural(adj.农业的)→agriculturally(adv.在农业方面) 8. gather(vi./vt.聚集；收割)→gathering(n.集会；聚会)→gathered(adj.聚集起来的) 9. decorate(vt.装饰；装潢)→decoration(n.装饰；装饰品)→decorative(adj.装饰性的) 10. significant(adj.意义重大的；显著的)→significance(n.重要性；意义)→significantly(adv.显著地) 11. commerce(n.商业)→commercial(adj.商业的)→commercialise(vt.使商业化) 12. reflect(vt./vi.反映；反思)→reflection(n.倒影；反思)→reflective(adj.反思的；反光的) 13. believe(vt.相信)→belief(n.信仰；信心)→believable(adj.可信的) 14. faith(n.信仰；信任)→faithful(adj.忠实的)→faithfully(adv.忠实地) 15. occasion(n.场合；时机)→occasional(adj.偶尔的)→occasionally(adv.偶尔) 16. atmosphere(n.气氛；大气)→atmospheric(adj.大气的；有氛围的)→atmospherically(adv.在大气层面) 17. please(vt.使高兴)→pleased(adj.（人）感到愉快的)→pleasant(adj.（事物）令人愉快的) 18. frank(adj.坦率的；直率的)→frankly(adv.坦白地)→frankness(n.坦率) 19. autonomous(adj.自治的)→autonomy(n.自治)→autonomously(adv.自主地) 20. region(n.地区；区域)→regional(adj.地区的)→regionally(adv.局部地) 21. represent(vt.代表；象征)→representative(n.代表)→representation(n.代表；表现) 22. wrestle(vt./vi.摔跤；奋力对付)→wrestler(n.摔跤运动员)→wrestling(n.摔跤运动) 23. grace(n.优美；优雅)→graceful(adj.优雅的)→gracefully(adv.优雅地) 24. absolute(adj.绝对的)→absolutely(adv.完全地；绝对地)→absoluteness(n.绝对性) 25. moment(n.片刻；瞬间)→momentary(adj.短暂的)→momentarily(adv.短暂地) 26. brief(adj.简洁的；短暂的)→briefly(adv.简要地)→briefness(n.简洁) 27. wed(vt.结婚)→wedding(n.婚礼)→wedded(adj.已婚的) 28. respect(n./vt.尊重；尊敬)→respectful(adj.恭敬的)→respectable(adj.值得尊敬的) 29. horror(n.恐怖)→horrible(adj.恐怖的；极坏的)→horribly(adv.可怕地) 30. typical(adj.典型的；平常的)→typically(adv.典型地；通常)→typicality(n.典型性) 无变形单词：lantern(n.灯笼), carnival(n.狂欢节), costume(n.服装), march(v./n.行进), riddle(n.谜语), ceremony(n.典礼), samba(n.桑巴舞), make-up(n.化妆品), range(n./v.范围；变化), figure(n.人物；数字), harvest(n./v.收获), crop(n.庄稼), feature(n./v.特色；以…为特色), church(n.教堂), fade(v.褪色), firecracker(n.鞭炮), evil(adj./n.邪恶的；罪恶), medium(n.媒介), lunar(adj.月球的), eve(n.前夕), envelope(n.信封), turkey(n.火鸡), pudding(n.布丁), roast(v./adj.烘烤), tent(n.帐篷), pot(n.锅), branch(n.树枝), clap(v./n.鼓掌) Unit 1 单词变形填空试题（高考一轮复习） 1. A. congratulate (v. 祝贺) → B. ______ (n. 祝贺；恭喜) → C. congratulatory (adj. 祝贺的) 2. A. origin (n. 起源；出身) → B. ______ (adj. 原始的；原创的) → C. originally (adv. 起初；原本) 3. A. religion (n. 宗教；宗教信仰) → B. religious (adj. 宗教的；笃信宗教的) → C. ______ (adv. 虔诚地) 4. A. charm (n. 魅力 / v. 迷住) → B. ______ (adj. 迷人的) → C. charmingly (adv. 迷人地) 5. A. joy (n. 高兴；喜悦) → B. joyful (adj. 高兴的；快乐的) → C. ______ (adv. 高兴地) 6. A. gratitude (n. 感激之情；感谢) → B. grateful (adj. 感激的) → C. ______ (adv. 感激地) 7. A. agriculture (n. 农业；农艺) → B. agricultural (adj. 农业的) → C. ______ (adv. 在农业方面) 8. A. gather (v. 聚集；收割) → B. gathering (n. 集会；聚会) → C. ______ (adj. 聚集起来的) 9. A. decorate (v. 装饰；装潢) → B. ______ (n. 装饰；装饰品) → C. decorative (adj. 装饰性的) 10. A. significant (adj. 意义重大的；显著的) → B. significance (n. 重要性；意义) → C. ______ (adv. 显著地) 11. A. commerce (n. 商业) → B. commercial (adj. 商业的) → C. ______ (v. 使商业化) 12. A. reflect (v. 反映；反思) → B. reflection (n. 倒影；反思) → C. ______ (adj. 反思的；反光的) 13. A. believe (v. 相信) → B. ______ (n. 信仰；信心) → C. believable (adj. 可信的) 14. A. faith (n. 信仰；信任) → B. faithful (adj. 忠实的) → C. ______ (adv. 忠实地) 15. A. occasion (n. 场合；时机) → B. occasional (adj. 偶尔的) → C. ______ (adv. 偶尔) 16. A. atmosphere (n. 气氛；大气) → B. atmospheric (adj. 大气的；有氛围的) → C. ______ (adv. 在大气层面) 17. A. please (v. 使高兴) → B. pleased (adj. 感到愉快的) → C. ______ (adj. 令人愉快的) 18. A. frank (adj. 坦率的；直率的) → B. frankly (adv. 坦白地) → C. ______ (n. 坦率) 19. A. autonomous (adj. 自治的) → B. autonomy (n. 自治) → C. ______ (adv. 自主地) 20. A. region (n. 地区；区域) → B. regional (adj. 地区的) → C. ______ (adv. 局部地) 21. A. represent (v. 代表；象征) → B. representative (n. 代表) → C. ______ (n. 代表；表现) 22. A. wrestle (v. 摔跤；奋力对付) → B. wrestler (n. 摔跤运动员) → C. ______ (n. 摔跤运动) 23. A. grace (n. 优美；优雅) → B. graceful (adj. 优雅的) → C. ______ (adv. 优雅地) 24. A. absolute (adj. 绝对的) → B. absolutely (adv. 完全地；绝对地) → C. ______ (n. 绝对性) 25. A. moment (n. 片刻；瞬间) → B. momentary (adj. 短暂的) → C. ______ (adv. 短暂地) 26. A. brief (adj. 简洁的；短暂的) → B. briefly (adv. 简要地) → C. ______ (n. 简洁) 27. A. wed (v. 结婚) → B. wedding (n. 婚礼) → C. ______ (adj. 已婚的) 28. A. respect (n./v. 尊重；尊敬) → B. respectful (adj. 恭敬的) → C. ______ (adj. 值得尊敬的) 29. A. horror (n. 恐怖) → B. horrible (adj. 恐怖的；极坏的) → C. ______ (adv. 可怕地) 30. A. typical (adj. 典型的；平常的) → B. typically (adv. 典型地；通常) → C. ______ (n. 典型性)   2015—2026高考原题 (改编)语法填空 1. (2019·全国Ⅰ卷) …leading to a ______ (believe) that populations are increasing. 词源：believe → belief 2（2020·北京卷 语法填空）It is an ______ (occasion) activity for our class to volunteer in the community.词源：occasion → occasional → occasionally 3. (2021·八省联考改编) The festival has its ______ (originate) in ancient traditions. 词源：origin → original → originally 4.  (2020·新高考Ⅱ卷改编) The house is ______ (decorate) with flowers and lights for the festival. 词源：decorate → decoration → decorative 5.  (2018·全国Ⅲ卷改编) It is ______ (significance) to keep our traditional culture alive. 词源：significant → significance → significantly 6.  (2022·新高考Ⅰ卷改编) We should be ______ (gratitude) for what we have got in life. 词源：gratitude → grateful → gratefully 7.  (2017·全国Ⅱ卷改编) The water is clear and ______ (reflect) the mountains on the bank. 词源：reflect → reflection → reflective 8. (2023·山东高考真题改编) Farmers use new methods to improve ______ (agriculture) production.词源：agriculture → agricultural → agriculturally 9. (2020·全国Ⅰ卷) ______ (typical), people gather together to have a big dinner on New Year's Eve. 词源：typical → typically → typicality 10. (2016·全国Ⅲ卷) We offer our warm ______ (congratulate) to you on your success. 词源：congratulate → congratulation → congratulatory 11.  (2025·新高考Ⅰ卷改编) He remained ______ (faith) to his promise till the end. 词源：faith → faithful → faithfully 12.  (2021·全国乙卷) The ______ (religion) ceremony will start at sunrise tomorrow. 词源：religion → religious → religiously 13.  (2022·浙江卷) A large ______ (gather) of villagers came to watch the performance. 词源：gather → gathering → gathered 14.  (2019·北京卷) She spoke ______ (frank) about her difficulties in study. 词源：frank → frankly → frankness 15.  (2024·新高考Ⅱ卷) This area has strong ______ (region) cultural characteristics. 词源：region → regional → regionally 16. (2015·全国Ⅱ卷) She moved to a small town and enjoyed its ______ (charm) natural scenery.词源：charm → charming → charmingly 17. (2022·全国甲卷) He expressed his ______ (grate) to the people who had helped him out of trouble.词源：gratitude → grateful → gratefully 18. (2023·新高考Ⅰ卷) The story was ______ (origin) written in ancient Greek. 词源：origin → original → originally 19.  (2017·全国Ⅲ卷) The ______ (decorate) of the hall took the workers three whole days. 词源：decorate → decoration → decorative 20.  (2026·新高考Ⅰ卷改编) The policy will ______ (significant) reduce the cost of farming. 词源：significant → significance → significantly 21.  (2018·北京卷) The lake is a clear ______ (reflect) of the blue sky. 词源：reflect → reflection → reflective 22.  (2021·浙江卷) ______ (occasion), we hold parties to celebrate traditional festivals. 词源：occasion → occasional → occasionally 23. (2020·全国Ⅲ卷) He answered the question ______ (brief) and walked out of the classroom.词源：brief → briefly → briefness 24. (2024·全国甲卷) We should show ______ (respect) for the local customs when travelling. 词源：respect → respectful → respectable 25.  (2019·天津卷) It is ______ (horror) to see such serious environmental pollution. 词源：horror → horrible → horribly 26.  (2022·新高考Ⅱ卷) The dancer moved across the stage with great ______ (grace). 词源：grace → graceful → gracefully 27.  (2016·全国Ⅰ卷) I am ______ (absolute) sure that he will keep his word. 词源：absolute → absolutely → absoluteness 28. (2025·全国乙卷改编) The festival is a ______ (commerce) activity rather than a traditional celebration.词源：commerce → commercial → commercialise 29. (2023·浙江卷) The law is a ______ (represent) of the public will. 词源：represent → representative → representation 30.  (2017·浙江卷改编) The ______ (wed) ceremony will be held in the village square next Sunday. 词源：wed → wedding → wedded 1 学科网（北京）股份有限公司 $ 2027届高考一轮复习：unit 1核心高频单词转换及近10年相关高考题 适配新高考覆盖阅读+完型+语法填空+作文 1. congratulate(vt.祝贺)→congratulation(n.祝贺；恭喜)→congratulatory(adj.祝贺的) 2. origin(n.起源；出身)→original(adj.原始的；原创的)→originally(adv.起初；原本) 3. religion(n.宗教；宗教信仰)→religious(adj.宗教的；笃信宗教的)→religiously(adv.虔诚地) 4. charm(n.魅力/vt.迷住)→charming(adj.迷人的)→charmingly(adv.迷人地) 5. joy(n.高兴；喜悦)→joyful(adj.高兴的；快乐的)→joyfully(adv.高兴地) 6. gratitude(n.感激之情；感谢)→grateful(adj.感激的)→gratefully(adv.感激地) 7. agriculture(n.农业；农艺)→agricultural(adj.农业的)→agriculturally(adv.在农业方面) 8. gather(vi./vt.聚集；收割)→gathering(n.集会；聚会)→gathered(adj.聚集起来的) 9. decorate(vt.装饰；装潢)→decoration(n.装饰；装饰品)→decorative(adj.装饰性的) 10. significant(adj.意义重大的；显著的)→significance(n.重要性；意义)→significantly(adv.显著地) 11. commerce(n.商业)→commercial(adj.商业的)→commercialise(vt.使商业化) 12. reflect(vt./vi.反映；反思)→reflection(n.倒影；反思)→reflective(adj.反思的；反光的) 13. believe(vt.相信)→belief(n.信仰；信心)→believable(adj.可信的) 14. faith(n.信仰；信任)→faithful(adj.忠实的)→faithfully(adv.忠实地) 15. occasion(n.场合；时机)→occasional(adj.偶尔的)→occasionally(adv.偶尔) 16. atmosphere(n.气氛；大气)→atmospheric(adj.大气的；有氛围的)→atmospherically(adv.在大气层面) 17. please(vt.使高兴)→pleased(adj.（人）感到愉快的)→pleasant(adj.（事物）令人愉快的) 18. frank(adj.坦率的；直率的)→frankly(adv.坦白地)→frankness(n.坦率) 19. autonomous(adj.自治的)→autonomy(n.自治)→autonomously(adv.自主地) 20. region(n.地区；区域)→regional(adj.地区的)→regionally(adv.局部地) 21. represent(vt.代表；象征)→representative(n.代表)→representation(n.代表；表现) 22. wrestle(vt./vi.摔跤；奋力对付)→wrestler(n.摔跤运动员)→wrestling(n.摔跤运动) 23. grace(n.优美；优雅)→graceful(adj.优雅的)→gracefully(adv.优雅地) 24. absolute(adj.绝对的)→absolutely(adv.完全地；绝对地)→absoluteness(n.绝对性) 25. moment(n.片刻；瞬间)→momentary(adj.短暂的)→momentarily(adv.短暂地) 26. brief(adj.简洁的；短暂的)→briefly(adv.简要地)→briefness(n.简洁) 27. wed(vt.结婚)→wedding(n.婚礼)→wedded(adj.已婚的) 28. respect(n./vt.尊重；尊敬)→respectful(adj.恭敬的)→respectable(adj.值得尊敬的) 29. horror(n.恐怖)→horrible(adj.恐怖的；极坏的)→horribly(adv.可怕地) 30. typical(adj.典型的；平常的)→typically(adv.典型地；通常)→typicality(n.典型性) 无变形单词：lantern(n.灯笼), carnival(n.狂欢节), costume(n.服装), march(v./n.行进), riddle(n.谜语), ceremony(n.典礼), samba(n.桑巴舞), make-up(n.化妆品), range(n./v.范围；变化), figure(n.人物；数字), harvest(n./v.收获), crop(n.庄稼), feature(n./v.特色；以…为特色), church(n.教堂), fade(v.褪色), firecracker(n.鞭炮), evil(adj./n.邪恶的；罪恶), medium(n.媒介), lunar(adj.月球的), eve(n.前夕), envelope(n.信封), turkey(n.火鸡), pudding(n.布丁), roast(v./adj.烘烤), tent(n.帐篷), pot(n.锅), branch(n.树枝), clap(v./n.鼓掌) Unit 1 单词变形填空试题（高考一轮复习） 1. A. congratulate (v. 祝贺) → B. ______ (n. 祝贺；恭喜) → C. congratulatory (adj. 祝贺的) 2. A. origin (n. 起源；出身) → B. ______ (adj. 原始的；原创的) → C. originally (adv. 起初；原本) 3. A. religion (n. 宗教；宗教信仰) → B. religious (adj. 宗教的；笃信宗教的) → C. ______ (adv. 虔诚地) 4. A. charm (n. 魅力 / v. 迷住) → B. ______ (adj. 迷人的) → C. charmingly (adv. 迷人地) 5. A. joy (n. 高兴；喜悦) → B. joyful (adj. 高兴的；快乐的) → C. ______ (adv. 高兴地) 6. A. gratitude (n. 感激之情；感谢) → B. grateful (adj. 感激的) → C. ______ (adv. 感激地) 7. A. agriculture (n. 农业；农艺) → B. agricultural (adj. 农业的) → C. ______ (adv. 在农业方面) 8. A. gather (v. 聚集；收割) → B. gathering (n. 集会；聚会) → C. ______ (adj. 聚集起来的) 9. A. decorate (v. 装饰；装潢) → B. ______ (n. 装饰；装饰品) → C. decorative (adj. 装饰性的) 10. A. significant (adj. 意义重大的；显著的) → B. significance (n. 重要性；意义) → C. ______ (adv. 显著地) 11. A. commerce (n. 商业) → B. commercial (adj. 商业的) → C. ______ (v. 使商业化) 12. A. reflect (v. 反映；反思) → B. reflection (n. 倒影；反思) → C. ______ (adj. 反思的；反光的) 13. A. believe (v. 相信) → B. ______ (n. 信仰；信心) → C. believable (adj. 可信的) 14. A. faith (n. 信仰；信任) → B. faithful (adj. 忠实的) → C. ______ (adv. 忠实地) 15. A. occasion (n. 场合；时机) → B. occasional (adj. 偶尔的) → C. ______ (adv. 偶尔) 16. A. atmosphere (n. 气氛；大气) → B. atmospheric (adj. 大气的；有氛围的) → C. ______ (adv. 在大气层面) 17. A. please (v. 使高兴) → B. pleased (adj. 感到愉快的) → C. ______ (adj. 令人愉快的) 18. A. frank (adj. 坦率的；直率的) → B. frankly (adv. 坦白地) → C. ______ (n. 坦率) 19. A. autonomous (adj. 自治的) → B. autonomy (n. 自治) → C. ______ (adv. 自主地) 20. A. region (n. 地区；区域) → B. regional (adj. 地区的) → C. ______ (adv. 局部地) 21. A. represent (v. 代表；象征) → B. representative (n. 代表) → C. ______ (n. 代表；表现) 22. A. wrestle (v. 摔跤；奋力对付) → B. wrestler (n. 摔跤运动员) → C. ______ (n. 摔跤运动) 23. A. grace (n. 优美；优雅) → B. graceful (adj. 优雅的) → C. ______ (adv. 优雅地) 24. A. absolute (adj. 绝对的) → B. absolutely (adv. 完全地；绝对地) → C. ______ (n. 绝对性) 25. A. moment (n. 片刻；瞬间) → B. momentary (adj. 短暂的) → C. ______ (adv. 短暂地) 26. A. brief (adj. 简洁的；短暂的) → B. briefly (adv. 简要地) → C. ______ (n. 简洁) 27. A. wed (v. 结婚) → B. wedding (n. 婚礼) → C. ______ (adj. 已婚的) 28. A. respect (n./v. 尊重；尊敬) → B. respectful (adj. 恭敬的) → C. ______ (adj. 值得尊敬的) 29. A. horror (n. 恐怖) → B. horrible (adj. 恐怖的；极坏的) → C. ______ (adv. 可怕地) 30. A. typical (adj. 典型的；平常的) → B. typically (adv. 典型地；通常) → C. ______ (n. 典型性)   参考答案 1 学科网（北京）股份有限公司 1. congratulation 2. original 3. religiously 4. charming 5. joyfully 6. gratefully 7. agriculturally 8. gathered 9. decoration 10. significantly 11. commercialise 12. reflective 13. belief 14. faithfully 15. occasionally 16. atmospherically 17. pleasant 18. frankness 19. autonomously 20. regionally 21. representation 22. wrestling 23. gracefully 24. absoluteness 25. momentarily 26. briefness 27. wedded 28. respectable 29. horribly 30. typicality 2015—2026高考原题 (改编)语法填空 1. (2019·全国Ⅰ卷) …leading to a ______ (believe) that populations are increasing. 词源：believe → belief 2（2020·北京卷 语法填空）It is an ______ (occasion) activity for our class to volunteer in the community.词源：occasion → occasional → occasionally 3. (2021·八省联考改编) The festival has its ______ (originate) in ancient traditions. 词源：origin → original → originally 4.  (2020·新高考Ⅱ卷改编) The house is ______ (decorate) with flowers and lights for the festival. 词源：decorate → decoration → decorative 5.  (2018·全国Ⅲ卷改编) It is ______ (significance) to keep our traditional culture alive. 词源：significant → significance → significantly 6.  (2022·新高考Ⅰ卷改编) We should be ______ (gratitude) for what we have got in life. 词源：gratitude → grateful → gratefully 7.  (2017·全国Ⅱ卷改编) The water is clear and ______ (reflect) the mountains on the bank. 词源：reflect → reflection → reflective 8. (2023·山东高考真题改编) Farmers use new methods to improve ______ (agriculture) production.词源：agriculture → agricultural → agriculturally 9. (2020·全国Ⅰ卷) ______ (typical), people gather together to have a big dinner on New Year's Eve. 词源：typical → typically → typicality 10. (2016·全国Ⅲ卷) We offer our warm ______ (congratulate) to you on your success. 词源：congratulate → congratulation → congratulatory 11.  (2025·新高考Ⅰ卷改编) He remained ______ (faith) to his promise till the end. 词源：faith → faithful → faithfully 12.  (2021·全国乙卷) The ______ (religion) ceremony will start at sunrise tomorrow. 词源：religion → religious → religiously 13.  (2022·浙江卷) A large ______ (gather) of villagers came to watch the performance. 词源：gather → gathering → gathered 14.  (2019·北京卷) She spoke ______ (frank) about her difficulties in study. 词源：frank → frankly → frankness 15.  (2024·新高考Ⅱ卷) This area has strong ______ (region) cultural characteristics. 词源：region → regional → regionally 16. (2015·全国Ⅱ卷) She moved to a small town and enjoyed its ______ (charm) natural scenery.词源：charm → charming → charmingly 17. (2022·全国甲卷) He expressed his ______ (grate) to the people who had helped him out of trouble.词源：gratitude → grateful → gratefully 18. (2023·新高考Ⅰ卷) The story was ______ (origin) written in ancient Greek. 词源：origin → original → originally 19.  (2017·全国Ⅲ卷) The ______ (decorate) of the hall took the workers three whole days. 词源：decorate → decoration → decorative 20.  (2026·新高考Ⅰ卷改编) The policy will ______ (significant) reduce the cost of farming. 词源：significant → significance → significantly 21.  (2018·北京卷) The lake is a clear ______ (reflect) of the blue sky. 词源：reflect → reflection → reflective 22.  (2021·浙江卷) ______ (occasion), we hold parties to celebrate traditional festivals. 词源：occasion → occasional → occasionally 23. (2020·全国Ⅲ卷) He answered the question ______ (brief) and walked out of the classroom.词源：brief → briefly → briefness 24. (2024·全国甲卷) We should show ______ (respect) for the local customs when travelling. 词源：respect → respectful → respectable 25.  (2019·天津卷) It is ______ (horror) to see such serious environmental pollution. 词源：horror → horrible → horribly 26.  (2022·新高考Ⅱ卷) The dancer moved across the stage with great ______ (grace). 词源：grace → graceful → gracefully 27.  (2016·全国Ⅰ卷) I am ______ (absolute) sure that he will keep his word. 词源：absolute → absolutely → absoluteness 28. (2025·全国乙卷改编) The festival is a ______ (commerce) activity rather than a traditional celebration.词源：commerce → commercial → commercialise 29. (2023·浙江卷) The law is a ______ (represent) of the public will. 词源：represent → representative → representation 30.  (2017·浙江卷改编) The ______ (wed) ceremony will be held in the village square next Sunday. 词源：wed → wedding → wedded 参考答案 1.belief 2.occasional 3.origin 4.decorated 5.significant 6.grateful 7.reflects 8.agricultural 9.Typically 10.congratulations 11.faithful 12.religious 13.gathering 14.frankly 15.regional 16.charming 17.gratitude 18.originally 19.decoration 20.significantly 21.reflection 22.Occasionally 23.briefly 24.respect 25.horrible 26.grace 27.absolutely 28.commercial 29.representation 30.wedding $