Unit3语法(前缀re-)讲解与练习-2026-2027学年仁爱科普版英语九年级上册预习

该初中英语导学案聚焦前缀re-的语法讲解与练习，核心知识点涵盖re-表“再、重新”和“回、归还、向后”两大释义及读音区分，通过关联已学动词，以词根与前缀叠加规律构建新词学习支架，帮助学生衔接前后知识。 资料特色在于结合课本经典例句与分层练习，通过读音对比、拼写规则总结提升语言理解与表达能力，多样题型设计（填空、选择、汉译英）培养思维品质，助力学生自主学习，有效提升学习效率与语法应用能力。

Unit3 Our Colorful School Life语法讲解与练习 前缀 re-详细讲解 一、前缀 re-两大核心释义 读音区分 1./riː/：表再、重新（绝大多数动词，重读） 2./rɪ/：表回、归还、向后（轻读） 核心规律 re-大多加在动词前构成新动词，词义由前缀+词根叠加； 少数可构成名词、形容词。 二、含义 1：re- = again 再次、重新 原词 派生词 词义 课本经典例句 write 写 rewrite 重写 Please rewrite your wrong sentences. use 使用 reuse 重复使用 We reuse water to water flowers. cycle 循环 recycle 回收利用 We recycle paper and plastic. view 看 review 复习；回顾 Review texts before the test. build 建造 rebuild 重建 Workers rebuild the broken bridge. tell 讲述 retell 复述 Retell the story in simple English. start 开始 restart 重新启动 Restart your computer when it freezes. new 新的 renew v. 更新；续借 Renew your book at the library desk. think 思考 rethink 重新考虑 You should rethink your decision. paint 涂色 repaint 重新粉刷 They repaint the classroom walls. fill 填满 refill 重新装满 Refill your water bottle every morning. heat 加热 reheat 重新加热 Don’t reheat the food many times. arrange 安排 rearrange 重新整理 Rearrange your desk after class. open 打开 reopen 重新开业 The shop will reopen next Monday. cover 覆盖 recover 恢复；康复 He recovered from his illness soon. plant 种植 replant 补种，重新栽种 We replant trees every spring. print 打印 reprint 重印 The teacher reprints the test paper. *派生形容词（必考变形） reuse → reusable 可重复使用的 recycle → recyclable 可回收的 例：reusable shopping bags 环保布袋；recyclable rubbish 可回收垃圾 三、含义 2：re- = back 返回、归还、向后 词根动词 派生词 释义 例句 turn 转动 return 返回；归还 Return the books on time. call 呼喊 recall 回忆，回想 I can’t recall his phone number. gain 获得 regain 重新获得，找回 She regained her courage. pay 支付 repay 偿还；报答 I will repay your kindness. bound 捆绑 rebound 反弹；回弹 The ball rebounds on the ground. 四、re- 单词拼写书写规则 1.普通辅音开头动词，直接加 re-，无连字符 start→restart；use→reuse；write→rewrite 2.词根以 e开头，加连字符 re-，避免双e重叠 enter → re-enter 重新进入 examine → re-examine 重新检查 3.变形注意：re- 不改变原单词拼写，无加 s、双写等变化 五、长难拓展（初中阅读常考，拓展词汇） 1.repeat /rɪˈpiːt/v. 重复（re -再次+ peat 说） Please repeat your question slowly. 2.reflect /rɪˈflekt/v. 反射；反思（re -回+ flect弯曲） Light reflects on the water. 【巩固练习】 一、写出下列re-单词的中文释义 2 / 2 学科网（北京）股份有限公司 1. reuse __________ 2. recycle __________ 3. review __________ 4. rewrite __________ 5. retell __________ 6. restart __________ 7. renew __________ 8. rebuild __________ 9. rethink __________ 10. repaint __________ 11. refill __________ 12. reheat __________ 13. reopen __________ 14. recover __________ 15. return __________ 16. recall __________ 17. regain __________ 18. repay __________ 19. reusable __________ 20. recyclable __________ 二、用所给词的正确形式填空 1. We should __________ (use) plastic bottles to save resources. 2. You need __________ (write) your article to make it better. 3. Students are supposed __________ (view) their lessons every night. 4. The factory tries __________ (cycle) waste water. 5. Can you __________ (tell) the story in your own words? 6. If the computer breaks down, __________ (start) it again. 7. I want __________ (new) my book in the school library. 8. Workers will __________ (build) the old teaching building next year. 9. You should __________ (think) about your study plan carefully. 10. They decide __________ (paint) the classroom walls white. 11. Please __________ (fill) your bottle before going out. 12. Don’t __________ (heat) the meal too many times. 13. The shop will __________ (open) after the big repair. 14. He soon __________ (cover) from his cold last week. 15. You must __________ (turn) the book to the library on time. 三、单项选择 1. We can use __________ bags instead of plastic ones to protect the environment. A. reusable B. rebuild C. retell D. rethink 2. You should __________ your English knowledge before the final exam. A. rewrite B. review C. return D. recall 3. Please __________ the story so that your classmates can understand it. A. retell B. recycle C. reuse D. regain 4. The little boy failed the game and decided to __________ it tomorrow. A. repay B. restart C. recover D. recall 5. My teacher asked me to __________ my short passage because of many mistakes. A. Reuse B. renew C. rewrite D. rebuild 6. People __________ paper and glass to reduce waste in daily life. A. recycle B. return C. repaint D. rethink 7. You have to __________ your library books in two weeks. A. review B. return C. restart D. reheat 8. He could not __________ where he put his schoolbag just now. A. recall B. reuse C. rebuild D. refill 9. After practicing hard, she __________ her confidence in English speaking. A. repaid B. regained C. rewrote D. recycled 10. The old bridge was broken and workers will __________ it soon. A. renew B. rebuild C. reopen D. reheat 11. The restaurant will __________ next Saturday after cleaning. A. reopen B. recover C. rewrite D. retell 12. You’d better __________ your plan if it doesn’t work well. A. recycle B. rethink C. return D. recall 13. The doctor helped the patient __________ quickly after the illness. A. recover B. reuse C. repaint D. restart 14. We need to __________ the empty bottles for our outdoor trip. A. reheat B. refill C. repay D. review 15. Which word has the same re- meaning as “recycle”? A. return B. recall C. reuse D. regain 四、汉译英 1. 我们应该重复使用旧书本，不要随意扔掉。 _________________________________________________ 2. 每天复习知识点是学好英语的关键。 _________________________________________________ 3. 如果你犯错了，可以重新考虑你的学习方法。 _________________________________________________ 4. 请在一周内归还你从图书馆借的杂志。 _________________________________________________ 5. 越来越多的学生学会回收利用废纸和塑料。 _________________________________________________ Keys 一、单词释义 1. 重复使用 2. 回收利用 3. 复习；回顾 4. 重写 5. 复述 6. 重新开始；重启 7. 更新；续借 8. 重建 9. 重新思考 10. 重新粉刷 11. 重新注满 12. 重新加热 13. 重新开业；重新开放 14. 恢复；康复 15. 返回；归还 16. 回忆；回想起 17. 重新获得；重拾 18. 偿还；报答 19. 可重复使用的 20. 可回收的 二、用所给词的正确形式填空 1. reuse 2. to rewrite 3. to review 4. to recycle 5. retell 6. restart 7. to renew 8. rebuild 9. rethink 10. to repaint 11. refill 12. reheat 13. reopen 14. recovered 15. return 三、单项选择 1.A 2.B 3.A 4.B 5.C 6.A 7.B 8.A 9.B 10.B 11.A 12.B 13.A 14.B 15.C 四、汉译英参考范文 1. We should reuse old books and not throw them away casually. 2. Reviewing knowledge points every day is the key to learning English well. 3. If you make mistakes, you can rethink your learning methods. 4. Please return the magazines you borrowed from the library within a week. 5. More and more students learn to recycle waste paper and plastic. $