Unit4知识点-Section A 2a-2d讲义2026～2027学年人教版英语九年级上册

本讲义聚焦九年级英语上册Unit4 Section A 2a-2d核心知识点，系统梳理“attend lecture”“get mixed up”“put...to good use”等词汇短语，通过“记忆像链条”“联系新旧知识”等概念构建知识脉络，以例句填空、中英互译、综合练习为学习支架，助力学生从词汇理解过渡到语境应用。 该资料以“问题驱动”设计亮点突出，如“如何联系新旧知识”等提问培养思维品质中的分析与创造能力，高频短语中英互译强化语言理解与表达能力，综合练习（填空、单选、词形变化）助力学习策略运用。课中辅助教师分层教学，课后帮助学生自主巩固，有效查漏补缺。

九年级英语上册Unit4知识点-Section A 2a-2d讲义 【课文要点】 1. Imagine you are attending Professor Green's lecture too. What questions do you want to ask? 想象一下你也正在参加格林教授的讲座。你想问什么问题？ - attend v. 参加，出席 - lecture n. 讲座 - professor n. 教授 - e.g. Imagine you are ____________ Professor Green’s lecture. 2. Why do we get some words mixed up? 为什么我们会把一些单词弄混？ - get mixed up 弄混，混淆 - e.g. Why do we get some words ____________ up? 3. Why is riding a bike not so easy to forget? 为什么骑自行车不那么容易忘记？ - ride a bike 骑自行车 - easy to forget 容易忘记 - e.g. Why is riding a bike not so ____________ to forget? 4. How can we put our brains to good use? 我们怎样才能善用我们的大脑？ - put... to good use 善用，充分利用 - brain n. 大脑 - e.g. How can we ____________ our brains to good use? 5. Memory is like a chain, and new knowledge is best remembered by connecting it with old knowledge. 记忆就像一条链条，新知识最好通过与旧知识相联系来记住。 - memory n. 记忆 - chain n. 链条 - connect... with... 把……与……联系起来 - e.g. Memory is like a ____________. 6. Pay attention to details. Study how they are different from each other. 注意细节。研究它们之间有什么不同。 - pay attention to 注意 - detail n. 细节 - be different from 与……不同 - e.g. ____________ attention to details. 7. Create a picture for each word in mind. 在脑海中为每个单词创造一个画面。 - create v. 创造，创建 - in mind 在脑海中 - e.g. Create a ____________ for each word in mind. 8. Scientists are still working on this problem. Memories are probably stored in a more stable area of our brain. 科学家们仍在研究这个问题。记忆可能存储在我们大脑中更稳定的区域。 - work on 致力于，研究 - store v. 存储 - stable adj. 稳定的 - area n. 区域 - e.g. Scientists are still ____________ on this problem. 9. How can you link new knowledge with old knowledge? Give an example. 你如何将新知识与旧知识联系起来？举个例子。 - link... with... 把……与……联系起来 - example n. 例子 - e.g. How can you ____________ new knowledge with old knowledge? 10. When should you pay attention to details? 你什么时候应该注意细节？ - e.g. When should you ____________ attention to details? 细节注意的场合： - to study how two words are different 研究两个单词有何不同 - to note down the main points of a lecture 记下讲座的要点 - to retell a story well 很好地复述故事 - to remember what someone looks like 记住某人的长相 - to memorize a rule exactly 准确地记住一条规则 11. Why should students put their brains to good use? What is your opinion? 为什么学生应该善用他们的大脑？你的看法是什么？ - opinion n. 看法，观点 - e.g. Why should students put their brains to ____________ use? 大脑开发建议： 12. exercise your memory 锻炼你的记忆力 - exercise v. 锻炼 - e.g. ____________ your memory. 13. do something creative 做一些有创意的事情 - creative adj. 有创造力的 - e.g. Do something ____________. 14. learn something new 学习新东西 - e.g. ____________ something new. 15. get enough sleep 获得充足的睡眠 - enough adj. 足够的 - e.g. Get ____________ sleep. 16. reduce stress 减轻压力 - reduce v. 减少 - stress n. 压力 - e.g. ____________ stress. 17. stay confident 保持自信 - confident adj. 自信的 - e.g. Stay ____________. 【高频短语汇总】中英互译 1. get mixed up __________ 2. __________ 弄混，混淆 3. put... to good use __________ 4. __________ 善用，充分利用 5. pay attention to __________ 6. __________ 注意 7. be different from __________ 8. __________ 与……不同 9. in mind __________ 10. __________ 在脑海中 11. work on __________ 12. __________ 致力于，研究 13. link... with... __________ 14. __________ 把……与……联系起来 15. note down __________ 16. __________ 记下 17. retell a story __________ 18. __________ 复述故事 19. reduce stress __________ 20. __________ 减轻压力 21. stay confident __________ 22. __________ 保持自信 【综合练习】 一、根据课文内容填空 1. Memory is like a ________, and new knowledge is best remembered by ________ it with old knowledge. 2. Pay attention to ________. Study how they are ________ from each other. 3. Create a ________ for each word in mind. 4. Scientists are still ________ on this problem. 5. Memories are probably ________ in a more stable area of our brain. 二、根据汉语意思完成句子 1. 为什么我们会把一些单词弄混？ Why do we get some words ________ up? 2. 为什么骑自行车不那么容易忘记？ Why is riding a bike not so ________ to forget? 3. 我们怎样才能善用我们的大脑？ How can we ________ our brains to good use? 4. 记忆就像一条链条。 Memory is like a ________. 5. 注意细节。 ________ attention to details. 6. 研究它们之间有什么不同。 Study how they are ________ from each other. 7. 在脑海中为每个单词创造一个画面。 Create a ________ for each word ________ mind. 8. 科学家们仍在研究这个问题。 Scientists are still ________ on this problem. 9. 你如何将新知识与旧知识联系起来？ How can you ________ new knowledge with old knowledge? 10. 你什么时候应该注意细节？ When should you ________ attention to details? 三、单项选择 ( ) 1. Why do we get some words mixed ________? A. in B. up C. on D. with ( ) 2. Why is riding a bike not so easy ________ forget? A. to B. for C. about D. with ( ) 3. How can we put our brains ________ good use? A. to B. for C. about D. with ( ) 4. Memory is like a ________. A. change B. chain C. chance D. charge ( ) 5. Pay attention ________ details. A. to B. for C. about D. with ( ) 6. Study how they are different ________ each other. A. to B. for C. about D. from ( ) 7. Create a picture for each word ________ mind. A. on B. in C. at D. for ( ) 8. Scientists are still working ________ this problem. A. to B. for C. on D. with ( ) 9. Memories are probably stored ________ a more stable area. A. on B. in C. at D. for ( ) 10. Get ________ sleep to help develop your brain. A. enough B. too C. very D. so 四、用所给词的正确形式填空 1. Why do we get some words ________ (mix) up? 2. Memory is like a chain, and new knowledge is best remembered by ________ (connect) it with old knowledge. 3. Pay attention to ________ (detail). 4. Create a picture for each word in ________ (mind). 5. Scientists are still working on this ________ (problem). 6. Memories are probably ________ (store) in a more stable area. 7. How can you ________ (link) new knowledge with old knowledge? 8. Get enough ________ (sleep) to help develop your brain. 【答案】 一、 1. chain, connecting 2. details, different 3. picture 4. working 5. stored 二、 1. mixed 2. easy 3. put 4. chain 5. Pay 6. different 7. picture, in 8. working 9. link 10. pay 三、 1. B 2. A 3. A 4. B 5. A 6. D 7. B 8. C 9. B 10. A 四、 1. mixed 2. connecting 3. details 4. mind 5. problem 6. stored 7. link 8. sleep 1 学科网（北京）股份有限公司 $