Unit 4 知识点 Section B Vocabulary in Use讲义 2026-2027学年人教版九年级英语上册

本初中英语讲义聚焦九年级上册Unit4 Section B词汇运用，系统梳理词缀构词法（re-、-ion、-ful等）、重点词汇（react、necessary、effective等）及核心短语（keep in mind、run out of等），构建“规则讲解-构词示例-词汇应用”的学习支架，衔接词缀规则与语境运用。 资料以词缀构词培养语言能力，通过“词缀+词根”示例帮助学生拓展词汇；结合生活情境例句（如顾客对价格上涨的反应）提升思维品质，引导分析词汇在语境中的应用。综合练习（填空、选择等）助力学习能力，课中辅助教师互动教学，课后便于学生自主复习查漏补缺。

九年级英语上册Unit4知识点-Section B Vocabulary in Use讲义 【课文要点】 A. Affixes & Word Formation（词缀与构词） 使用词缀创造尽可能多的新单词。你可以使用词典。 常见词缀： - re-：重新，再次（前缀） - -ion：表示行为、状态或结果（后缀） - -ful：充满……的（后缀） - -able：可……的，能……的（后缀） - -ive：有……倾向的，……性的（后缀） - -ness：表示性质或状态（后缀） - -ly：……地（后缀，构成副词） 构词示例： re- call recall 回忆，回想 re- view review 复习，回顾 re- mind remind 提醒 re- peat repeat 重复，复述 -ion act action 行动 -ion react reaction 反应 -ful help helpful 有帮助的 -ful use useful 有用的 -able memory memorable 难忘的 -able forget forgettable 可忘记的 -ive act active 主动的，积极的 -ive effect effective 有效的 -ness happy happiness 快乐 -ness sad sadness 悲伤 -ness forgetful forgetfulness 健忘 -ly quick quickly 快速地 -ly recent recently 最近 B. Word Cloud Vocabulary 1. The customer reacted badly to the price increase. 那位顾客对价格上涨反应强烈。 - react v. 反应 - customer n. 顾客 - price increase 价格上涨 - e.g. The customer ____________ badly to the price increase. 2. Starting over is not easy, but it is necessary in my opinion. 重新开始并不容易，但在我看来是必要的。 - starting over 重新开始 - necessary adj. 必要的 - in one's opinion 在某人看来 - e.g. Starting over is not easy, but it is necessary in my ____________. 3. His memory technique is simple but effective. 他的记忆技巧简单但有效。 - technique n. 技巧 - simple adj. 简单的 - effective adj. 有效的 - e.g. His memory technique is simple but ____________. 4. The man has lost a lot of blood. He is likely to die of wounds if not treated at once. 那个男人失血过多。如果不立即治疗，他可能因伤而死。 - blood n. 血液 - be likely to do 可能做某事 - die of 死于 - wound n. 伤口 - at once 立即 - e.g. He is ____________ to die of wounds if not treated at once. 5. Our hotel is in a great location near the central mall. 我们的酒店位置优越，靠近中央购物中心。 - location n. 位置，地点 - central adj. 中心的 - mall n. 购物中心 - e.g. Our hotel is in a great ____________ near the central mall. 6. I can't recall which notebook I wrote your email address in. 我记不清我把你的邮箱地址写在哪个笔记本里了。 - recall v. 回忆，记起 - notebook n. 笔记本 - address n. 地址 - e.g. I can’t ____________ which notebook I wrote your email address in. C. Phrases in Use（短语运用） 7. Research shows that many animals have good long-term memories. They keep in mind where food can be found and where it is safe. 研究表明，许多动物有良好的长期记忆。它们记住在哪里可以找到食物，以及哪里是安全的。 - keep in mind 记住 - e.g. They ____________ in mind where food can be found. 8. For example, when squirrels run out of food, they go straight to the place where they hid nuts. 例如，当松鼠的食物耗尽时，它们会直接去藏坚果的地方。 - run out of 用完，耗尽 - squirrel n. 松鼠 - hide v. 隐藏（过去式 hid） - nut n. 坚果 - e.g. When squirrels ____________ out of food, they go straight to the place. 9. Every autumn, wild geese fly thousands of kilometers south for the winter. Humans do not know for sure what goes through their minds during the journey. 每年秋天，大雁飞越数千公里向南过冬。人类并不确定它们在旅途中经历了什么。 - wild geese 大雁 - for sure 确定地 - go through 经历 - journey n. 旅程 - e.g. Humans do not know for sure what ____________ through their minds. 10. A similar situation happens to dolphins. They can recognize voices of other dolphins—even when they have not met each other for a long time. 类似的情况也发生在海豚身上。它们能识别其他海豚的声音——即使它们已经很长时间没有见面了。 - similar adj. 相似的 - happen to 发生在……身上 - dolphin n. 海豚 - recognize v. 识别，认出 - e.g. A similar situation ____________ to dolphins. 【高频短语汇总】中英互译 1. price increase __________ 2. __________ 价格上涨 3. in one's opinion __________ 4. __________ 在某人看来 5. be likely to do __________ 6. __________ 可能做某事 7. die of __________ 8. __________ 死于 9. at once __________ 10. __________ 立即 11. keep in mind __________ 12. __________ 记住 13. run out of __________ 14. __________ 用完，耗尽 15. go through __________ 16. __________ 经历 17. happen to __________ 18. __________ 发生在……身上 19. for sure __________ 20. __________ 确定地 【综合练习】 一、用词缀写出新词与中文 call re- view re- mind re- act -ion react -ion help -ful use -ful effect -ive act -ive happy -ness sad -ness quick -ly recent -ly 二、根据句意，用词云中单词的正确形式填空 1. The customer ____________ (react) badly to the price increase. 2. Starting over is not easy, but it is necessary in my ____________ (opinion). 3. His memory technique is simple but ____________ (effect). 4. He is ____________ (like) to die of wounds if not treated at once. 5. Our hotel is in a great ____________ (locate) near the central mall. 6. I can't ____________ (recall) which notebook I wrote your email address in. 三、用方框中所给短语的正确形式填空 keep in mind run out of go through happen to 1. They ____________ where food can be found. 2. When squirrels ____________ food, they go straight to the place where they hid nuts. 3. Humans do not know for sure what ____________ their minds. 4. A similar situation ____________ dolphins. 四、单项选择 ( ) 1. The customer reacted badly ________ the price increase. A. to B. for C. with D. of ( ) 2. Starting over is not easy, but it is necessary in my ________. A. opinion B. option C. open D. operate ( ) 3. His memory technique is simple but ________. A. effect B. effective C. effectively D. effectiveness ( ) 4. He is likely to die ________ wounds if not treated at once. A. to B. for C. with D. of ( ) 5. Our hotel is in a great location near the central ________. A. mall B. wall C. hall D. call ( ) 6. I can’t ________ which notebook I wrote your email address in. A. recall B. recount C. recover D. record ( ) 7. They keep in mind ________ food can be found. A. that B. where C. what D. when ( ) 8. When squirrels run out ________ food, they go straight to the place. A. to B. for C. of D. with 五、根据汉语意思完成句子 1. 那位顾客对价格上涨反应强烈。 The customer ________ badly to the price increase. 2. 在我看来，重新开始是必要的。 Starting over is necessary in my ________. 3. 他的记忆技巧简单但有效。 His memory technique is simple but ________. 4. 如果不立即治疗，他可能因伤而死。 He is ________ to die of wounds if not treated ________ once. 5. 我们的酒店位置优越。 Our hotel is in a great ________. 6. 我记不清我把你的邮箱地址写在哪个笔记本里了。 I can't ________ which notebook I wrote your email ________ in. 7. 它们记住在哪里可以找到食物。 They ________ in mind where food can be found. 8. 当松鼠的食物耗尽时，它们会直接去藏坚果的地方。 When squirrels ________ out of food, they go straight to the place. 9. 人类并不确定它们在旅途中经历了什么。 Humans do not know for sure what ________ through their minds. 10. 类似的情况也发生在海豚身上。 A similar situation ________ to dolphins. 六、用所给词的正确形式填空 1. The customer reacted badly to the price ________ (increase). 2. Starting over is not easy, but it is ________ (necessary) in my opinion. 3. His memory technique is simple but ________ (effect). 4. He is likely to die of ________ (wound) if not treated at once. 5. Our hotel is in a great location near the ________ (center) mall. 6. I can’t recall which notebook I wrote your email ________ (address) in. 7. They keep in mind where food can be ________ (find). 8. Every autumn, wild geese fly thousands of ________ (kilometer) south. 【答案】 一、 call re- recall 回忆，回想 view re- review 复习，回顾 mind re- remind 提醒 act -ion action 行动 react -ion reaction 反应 help -ful helpful 有帮助的 use -ful useful 有用的 effect -ive effective 有效的 act -ive active 主动的 happy -ness happiness 快乐 sad -ness sadness 悲伤 quick -ly quickly 快速地 recent -ly recently 最近 二、 1. reacted 2. opinion 3. effective 4. likely 5. location 6. recall 三、 1. keep in mind 2. run out of 3. goes through 4. happens to 四、 1. A 2. A 3. B 4. D 5. A 6. A 7. B 8. C 五、 1. reacted 2. opinion 3. effective 4. likely, at 5. location 6. recall, address 7. keep 8. run 9. goes 10. happens 六、 1. increase 2. necessary 3. effective 4. wounds 5. central 6. address 7. found 8. kilometres 1 学科网（北京）股份有限公司 $