Unit 4 Our memory 单元重点词汇、词性转换、短语、句型语法综合练习 - 2026-2027学年人教版九年级上册英语

参考答案+逐题解析 一、单词词性转换（10小题） 1. sadness 2. forgetful；unforgettable 解析：forgetful adj.健忘的；unforgettable adj.难忘的（un-否定前缀） 3. effective；effectively 解析：effect名词“效果”→effective形容词“有效的”；effectively副词，有效地，形容词+ly变副词 4. memory 解析：memorize动词“记住”→memory名词，记忆、记忆力 5. reaction 解析：react动词“反应”→reaction名词，反应 6. stability 解析：stable形容词稳定的→stability名词，稳定性 7. recalled 解析：recall规则动词，回忆，过去分词recalled 8. division 解析：divide动词划分→division名词，分开 9. active；activity 解析：act动词行动→active形容词积极的；activity名词活动 10. discussion 解析：discuss动词讨论→discussion 二、短语汉译英 1. run out (of sth) 解析：run out（物作主语，用完）；run out of（人作主语） 2. mix up 解析：固定短语，混淆，弄乱 3. put sth to good use 解析：有效利用某物，本单元重点短语 4. keep (...) in mind 解析：记在心里，记住 5. go through 解析：经历；仔细查看 6. happen to 解析：发生于；使遭遇 7. to start with 解析：首先，用于句首引出观点 8. wear out 解析：使疲乏；磨损，wear out your brain 让大脑疲惫 9. in one’s case 解析：就某人的情况而言 10. long-term memory 解析：长期记忆；反义词 short-term memory短期记忆 三、用括号内单词的正确形式填空 1. memory 解析：poor形容词后面接名词，memorize动词→memory名词记忆力。 2. activities 解析：our后面接名词复数，act→activity活动，复数activities。 3. effectively 解析：修饰动词works用副词，effective形容词→effectively副词。 4. reaction 解析：your形容词性物主代词后接名词，react动词→reaction名词反应。 5. forgetful 解析：It is +adj.+of sb，forget的形容词forgetful健忘的。 6. stable 解析：修饰名词way用形容词，stability名词→stable形容词稳定的。 7. divide 解析：need to do sth，to后面加动词原形division名词→divide动词划分。 8. recall 解析：情态动词can后用动词原形recall回忆。 9. sadness 解析：her形容词性物主代词后接名词，sad形容词→sadness名词悲伤。 10. grown-up 解析：the grown-up fox成年狐狸，grown-up形容词成年的。 11. likely 解析：be likely to do 固定搭配：很可能做某事。 12. techniques 解析：many后面接可数名词复数technique技巧。 13. position 解析：the position of ……的位置，名词原形。 14. blood 解析：blood血，不可数名词。 15. wound 解析：the wound伤口，名词单数。 16. squirrels 解析：谓语hide原形，主语用复数squirrels松鼠。 17. recognize 解析：情态动词can后动词原形recognition名词→recognize动词辨认出。 18. outline 解析：the outline纲要，名词单数。 19. fully 解析：修饰动词write用副词full形容词→fully副词完全地。 20. questions 解析：some后接可数名词复数question问题。 21. to link 解析：固定句型It is +adj.+to do sth，做某事是…… 22. is 解析：宾语从句，主语it，一般现在时，谓语is。 23. practising 解析：keep doing sth坚持做某事。 24. had visited 解析：主句told是过去时，从句动作发生在told之前，过去完成时。 25. to pay 解析：ask sb to do sth 要求某人做某事。 四、根据中文提示补全句子 1. keep in mind 解析：祈使句，用动词原形keep in mind记住。 2. run out 解析：has+过去分词，现在完成时run out用完。 3. mix up 解析：don’t后面动词原形，mix up混淆。 4. put sth to good use 解析：should情态动词后动词原形。 5. memory 解析：memory记忆力，不可数名词。 6. reaction 解析：your后接名词reaction反应。 7. stable 解析：形容词修饰名词memory，stable稳定的。 8. divide 解析：will后接动词原形divide划分。 9. recall 解析：still后面，主语I，一般现在时，recall回忆起。 10. sadness 解析：full of +名词，sadness悲伤。 11. grown-ups 解析：谓语understand原形，主语用复数grown-ups成年人。 12. likely 解析：be likely to do 很可能…… 13. techniques 解析：many后接复数名词techniques技巧。 14. position 解析：the position位置，名词。 15. blood 解析：blood血，不可数名词。 16. wound 解析：the wound伤口，名词。 17. squirrels 解析：谓语keep原形，主语复数squirrels松鼠。 18. recognize 解析：can情态动词后动词原形recognize辨认。 19. outline 解析：a short outline一个简短纲要。 20. fully 解析：副词修饰动词understand，fully完全地。 21. To start with 解析：句首，固定短语，首字母大写。 22. wear your brain 解析：don’t+动词原形；wear out使疲惫。 23. In my case 解析：句首大写，in one’s case就某人情况而言。 24. Long-term memory 解析：句首大写，长期记忆。 25. go through 解析：we主语，一般现在时，go through经历。 五、根据汉语提示完成句子 1. what she is going through 解析：宾语从句，陈述语序；go through经历。 2. which things you asked me 解析：which引导宾语从句，陈述语序。 3. why it is difficult 解析：why引导宾语从句，陈述语序，it作形式主语。 4. who took his wallet 解析：who引导宾语从句，陈述语序，动作发生在过去，took。 5. when the next test is 解析：when引导宾语从句，陈述语序。 6. why you didn’t invite him 解析：why引导宾语从句，陈述语序，一般过去时didn’t。 7. is running out 解析：宾语从句，run out用完，现在进行时表将要用完。 8. link; with 解析：link A with B 把A和B联系起来；can后动词原形。 9. gets worse 解析：memory单数，get worse变差，一般现在时。 10. boost our memory 解析：help (to) do sth；boost提升。 六、短文语法填空 (A) 1. while 解析：连词while表示对比“然而”，对比短期记忆和长期记忆。 2. to 解析：固定搭配pay attention to 注意。 3. to write 解析：It is +adj.+to do sth，做某事是……。 4. easier 解析：the+比较级，the+比较级，越……越……。 5. your 解析：形容词性物主代词修饰名词mind，in your mind在你的脑海中。 6. are sleeping 解析：while引导时间状语从句，当你正在睡觉的时候，现在进行时。 7. to enter 解析：make it +adj.+for sb to do sth，it作形式宾语。 8. better 解析：much修饰比较级good→better。 9. to memorize 解析：find it +adj.+to do sth，it形式宾语。 10. going 解析：keep doing sth持续做某事。 (B) 首字母填空 1. memories 解析：long‑term memories长期记忆，many提示复数。 2. hide 解析：松鼠秋天储存坚果，hide藏。 3. seldom 解析：seldom很少，野雁很少迷路。 4. recognize 解析：recognize辨认，can后动词原形。 5. working 解析：are still working on 仍然在研究。 6. techniques 解析：memory techniques记忆技巧，some后复数。 7. with 解析：to start with首先。 8. link 解析：link A with B，把新旧知识联系起来，can后原形。 9. likely 解析：be likely to do 很可能。 10. forget 解析：祈使句never forget 永远不要忘记。 学科网（北京）股份有限公司 $ 人教版新教材九年级上册英语Unit 4 Our memory 单元重点词汇、词性转换、短语、句型语法综合练习 （时间：40分钟 满分：100分 ） 班级_______ 姓名 _________ 分数 ________ 一、根据所给单词，写出指定词性的正确形式（10分） 1. sad adj.伤心的→________n.伤心 2. forget v.忘记→________ adj.健忘的→________ adj.难忘的 3. effect n.效果；作用→________ adj.有效的→________ adv.有效地 4. memorize v.记住；记忆→________ n.记忆；记忆力 5. react v.作出反应；回应→________ n.反应 6. stable adj.稳定的→________ n.稳定性 7. recall v.回忆起；回想起→________（过去分词） 8. divide v.(把……)分成→________ n.分开；划分 9. act v.行动；做事→________ adj.积极的→________ n.活动 10. discuss v.讨论→________ n.讨论 二、短语汉译英（10分） 1. 用完；耗尽________________________ 2. 混淆；弄乱________________________ 3. 有效使用某物_______________________ 4. 记在心中；记住_______________________ 5. 经历；仔细查看______________________ 6. 发生于；使遭遇______________________ 7. 首先______________________ 8. 使疲乏；磨损_____________________ 9. 就某人的情况而言_____________________ 10. 长期记忆_____________________ 三、用括号内单词的正确形式填空（25分） 1. The old grandma has a poor ________ (memorize). She often forgets things. 2. We should use our brain to good use and improve our ________ (act). 3. The medicine works ________ (effect) in helping improve your sleep. 4. What was your ________ (react) when you heard the bad news? 5. It is ________ (forget) of him to leave his wallet at home again. 6. The scientist tries to find a ________ (stability) way to store information in our brain. 7. We need to ________ (division) this big task into several small parts. 8. The little boy can ________ (recall) what happened many years ago. 9. Her ________ (sad) made all of us feel upset. 10. The ________ (grow) fox finally found the grapevine. 11. He is ________ (like) to miss the early bus if he gets up late. 12. We can use different memory ________ (technique) to remember new words. 13. The ________ (position) of the library is near the shopping mall. 14. The doctor saved the man who lost much ________ (blood). 15. The ________ (wound) on his leg was serious. 16. The ________ (squirrel) hide nuts in different places in autumn. 17. Dolphins can ________ (recognition) the voices of their old friends. 18. The ________ (outline) of the speech helps Billy remember it well. 19. We need to write down all the key words ________ (full). 20. He wants to ask the professor some ________ (question) about memory. 21. It is not easy ________ (link) new knowledge with old knowledge. 22. I wonder why it ________ (be) hard for some people to remember names. 23. Keep ________ (practice), and you will get better memory skills. 24. She told me that she ________ (visit) her grandma the day before. 25. The teacher asked us ________ (pay) attention to the details. 四、根据括号内的中文提示补全句子（25分） 1. Please ________ (记住) the key words of the passage. 2. My ink has ________ (用完). I need to buy some. 3. Don’t ________ (混淆) these two similar English words. 4. We should ________ (有效利用) our free time. 5. Many old people’s ________ (记忆力) becomes worse as they get older. 6. What was your ________ (反应) to the teacher’s advice? 7. The ________ (稳定的) memory stays in our brain for many years. 8. We will ________ (划分) the class into four groups. 9. I still ________ (回忆起) the happy time with my grandpa. 10. Her eyes were full of ________ (悲伤) when she heard the news. 11. The ________ (成年人) understand the problem better than kids. 12. It is ________ (可能的) that he will forget the lecture time. 13. We can learn many memory ________ (技巧) from books. 14. Can you tell me the ________ (位置) of the new mall? 15. The man lost lots of ________ (血) in the accident. 16. The ________ (伤口) on his arm needs special care. 17. The ________ (松鼠) keep nuts for cold winter days. 18. Dogs can ________ (辨认出) their owners’ voices easily. 19. Write a short ________ (纲要) before you give a speech. 20. You need to ________ (完全地) understand the rules. 21. ________ (首先), you need to pay attention to the details. 22. Don’t ________ (使你的大脑疲惫) out by studying too long. 23. ________ (就我的情况而言), I often forget new words quickly. 24. ________ (长期记忆) can store information for our whole life. 25. We ________ (经历) many hard things when we grow up. 五、翻译句子，根据汉语提示完成句子（10分） 1. 我不明白她正在经历什么。 I don’t understand ________ ________ ________ ________. 2. 我记不清你让我买哪些东西了。 I can’t remember ________ ________ ________ ________ to buy. 3. 你能告诉我为什么记住单词这么难吗？ Could you tell me ________ ________ ________ ________ to remember a word? 4. 鲍勃不知道谁拿走了他的钱包。 Bob does not know ________ ________ ________ ________. 5. 你能告诉我下一次考试是什么时候吗？ Can you tell me ________ ________ ________ ________ ________? 6. 我不明白你为什么没有邀请他去野餐。 I do not understand ________ ________ ________ ________ to the picnic. 7. 妈妈提醒Peter糖快用完了。 Mum reminds Peter that sugar ________ ________ ________. 8. 我们可以把新知识和旧知识联系起来。 We can ________ new knowledge ________ old knowledge. 9. 随着年龄增长，一些人的记忆力会变差。 Some people’s memory ________ ________ as they get older. 10. 保持健康有助于提升我们的记忆力。 Staying healthy helps ________ ________ ________. 六、短文语法填空 (A) 阅读短文，在文中空白处填入1个适当的单词，或用括号内单词的正确形式填空（10分） Memory helps us learn new things. There are two main kinds of memory: short-term memory and long-term memory. Short-term memory helps you remember things for a short time, 1.____ long-term memory keeps information for years. If you want something to go into your long-term memory, you should pay attention 2.____ what you learn. It is better 3.____ (write) down key points. You also need to review often. The more you review, the 4.____ (easy) it is for you to remember. Scientists say our brain links new knowledge with old knowledge. It is like a chain. If you mix similar words up, you should study how they are different from each other and create a picture in 5.____ (you) mind. Good sleep is important too. While you 6.____ (sleep), your brain organizes your memories. Bad sleep makes it harder for new information 7.____ (enter) your long-term memory. Healthy food and exercise also make your brain work much 8.____ (good). Many students find it difficult 9.____ (memorize) speeches. One useful way is to divide a speech into short parts and remember key words. If you forget some words, don’t panic. Just keep 10.____ (go). (B) 根据短文内容及首字母提示，在空格处填入一个适当的词使短文完整（10分） Many animals have amazing long‑term m 1.____. They can remember where to find food and where it is safe. Squirrels h 2.____ nuts in different places in autumn. When winter comes, they go straight to those places to get food. Wild geese fly thousands of kilometres south every autumn. They s 3.____ get lost on their long trip. Dolphins can r 4.____ voices of their old friends, even after many years. How can they do that? Scientists are still w 5.____ on this question. Memory is important for humans too. We can use some t 6.____ to improve our memory. To start w 7.____, we should pay attention to details. We can also l 8.____ new knowledge with what we have known. If we keep our brains to good use and stay healthy, we are l 9.____ to get a better memory. Never f 10.____ to practice these skills. 学科网（北京）股份有限公司 $