2026-2027学年人教版九年级上册英语期中复习单元重难点精练

人教版（新教材）九年级上册期中考试复习必刷题 Units 1-4重难点精练（含解析） （时间：60分钟 满分：100分） 一、用所给单词的适当形式填空（20小题，每小题1分，共20分） 1. With the ________ (develop) of high‑tech, great changes have taken place in our hometown. 2. So far, the government ________ (build) many new railways in the poor areas. 3. Yuan Longping’s ________ (achieve) have greatly helped solve the hunger problem around the world. 4. The girl looks up to those national ________ (hero) who devote themselves to our country. 5. It’s ________ (science) to connect what you have learned with real‑life situations. 6. I find it ________ (effect) to review notes before taking an important test. 7. Some old people have trouble ________ (recall) the names of their old friends. 8. Short‑term memory can hardly keep the ________ (inform) for more than a few minutes. 9. People ________ (use) to live in rough conditions, but now life becomes much better. 10. Many ________ (invent) have brought about huge changes to the changing world. 11. The scientist who ________ (train) lots of young researchers is well‑known at home and abroad. 12. We are deeply moved by his ________ (courage) spirit when he faced difficulties. 13. Practicing every day can improve your learning ________ (able) step by step. 14. Avoid ________ (mix) up similar words when you memorize English vocabulary. 15. He ________ (not see) his hometown since he moved to the big city ten years ago. 16. She admires people who have made great ________ (contribute) to medical research. 17. Do you know the secret to ________ (improve) your reading speed in a short time? 18. Too much anxiety will make our memory work ________ (bad) than usual. 19. The ________ (react) of our brain decides how well we remember different experiences. 20. It is necessary for learners ________ (review) knowledge from time to time. 二、根据首字母提示填空（20小题，每小题1分，共20分） 1. In the p______, most villages had no wide highways or modern buildings. 2. Great changes have t______ place in my hometown over the past twenty years. 3. Yuan Longping is a p______ in hybrid‑rice research and he won high praise worldwide. 4. We should l______ up to those inspiring people and learn valuable lessons from them. 5. Stress is a common problem and it can i______ our memory performance badly. 6. It’s helpful to take n______ carefully in class so that you can review them later. 7. Long‑t______ memory stores information we remember for months or even years. 8. When you try to m______ new words, you can create vivid pictures in your mind. 9. The local g______ has taken action to stop sandstorms and protect farmland. 10. Many families keep in t______ with their relatives through video calls nowadays. 11. The scientist made several important d______ in the field of medical science. 12. Nothing can s______ him from carrying on his research though he meets lots of difficulties. 13. Please tell me w______ you have found a good way to improve your listening skills. 14. It is a good learning t______ to divide big tasks into several small ones. 15. To s______ with, you need to keep calm when you feel worried about your memory. 16. If you are too tired, your brain will r______ slowly to outside information. 17. Many local citizens s______ from the terrible sandstorms decades ago. 18. Many young people a______ the heroes who give all their time for public good. 19. If you make a m______, correct it at once instead of ignoring it. 20. Don’t m______ up these two similar names, or you will make silly mistakes. 三、根据汉语提示填空（20小题，每小题1分，共20分） 1. With the support of the ________（政府），the villages have changed greatly. 2. Many new ________（铁路）connect small towns with big cities in China now. 3. Tu Youyou is a great scientist whose ________（成就）surprise the whole world. 4. We should ________（克服）difficulties bravely just like those inspiring people. 5. The scientist kept doing experiments to test his ________（假设）. 6. It is ________（科学的）to take breaks after long hours of studying. 7. ________（回忆起）those warm moments can bring us much happiness. 8. Stress will influence our ________（记忆力）and make us forget things easily. 9. In the past, local people suffered from sandstorms and poor ________（土壤）. 10. Online communication has ________（带来）about great changes in people’s daily life. 11. The girl ________（钦佩）the nurses who worked hard during hard times. 12. He decided to do further ________（研究）on traditional Chinese medicine. 13. I don’t know ________（是否）I can improve my grammar in such a short period. 14. Doing regular review is one of the most useful learning ________（技巧）. 15. Our ________（大脑）can store thousands of pieces of information every single day. 16. Don’t ________（弄乱）all the papers on your desk, or you will waste much time. 17. There used to be a serious ________（短缺）of clean drinking water in that mountain area. 18. The doctor ________（训练）hundreds of medical workers and saved lots of lives. 19. It’s important for you to find your own ________（学习）styles. 20. Some simple ways can ________（促进）your long‑term memory effectively. 四、完成句子（20小题，每小题1分，共20分） 1. Great changes ________ ________ ________ in my hometown in the past ten years.【在过去十年间，我的家乡发生了巨大的变化。】 2. Now people’s living conditions have improved, they no longer ________ ________ the shortage of food.【现在人们生活条件改善，不再遭受粮食短缺之苦。】 3. We ________ ________ ________ those inspiring people who make contributions to society.【我们仰慕那些为社会做出贡献的鼓舞人心的人物。】 4. Yuan Longping kept ________ ________ and never gave up hope.【袁隆平坚持做研究，从不放弃希望。】 5. I ________ ________ ________ to review class notes from time to time.【我发现把课堂笔记定期复习很有用。】 6. You can remember information more easily if you ________ ________ pictures.【如果你把信息编成图片，你更容易记住它。】 7. Stress can ________ ________ ________ ________ your long‑term memory.【压力会对你的长期记忆力产生坏影响。】 8. ________ ________ ________ ________ high‑tech, people’s living conditions have improved a lot.【随着科技的发展，人们的生活条件已经改善很多。】 9. They ________ ________ ________ ________ their far‑away relatives online for many years.【他们已经通过网络和远方亲戚保持联系很多年。】 10. It was great of him ________ ________ lots of young researchers for scientific work.【他很伟大，培训了大批年轻的科研人员。】 11. We should ________ ________ the heroes and face all kinds of challenges bravely.【我们应该向英雄学习，勇敢面对各种挑战。】 12. I don’t know ________ ________ ________ my reading ability efficiently.【我不知道如何高效提升我的阅读能力。】 13. ________ big tasks ________ small parts is a very useful learning technique.【把大任务切分成小部分是一个很有用的学习技巧。】 14. ________ ________ ________, enough sleep is very important for our brain.【首先，充足睡眠对我们的大脑十分重要。】 15. Try to picture things in your mind when you ________ ________ things.【当你记忆东西的时候，尽量把事物在脑海中图像化。】 16. People with strong will never ________ ________ when meeting difficulties.【意志坚定的人遇到困难绝不放弃。】 17. Our teacher ________ us ________ ________ be afraid of making mistakes in study.【老师建议我们不要害怕犯学习中的错误。】 18. Don’t ________ ________ these two words; their meanings are totally different.【不要混淆这两个单词，它们意思完全不一样。】 19. The brave girl ________ ________ many difficulties and finally realized her dream.【这个勇敢女孩克服重重困难，最终实现梦想。】 20. When studying, we should learn to ________ ________ stress in proper ways.【学习时，我们要学会用恰当方式处理压力。】 五、短文选词填空（10空，每空1分，共10分） 阅读短文，从方框中选择适当的词并用其正确形式填空。 memory, change, admire, connect, effective, recall, hero, learner, develop, avoid Our world is 1.________ fast, and we need better ways for smart learning. Many teenagers 2.________ those great 3.________ who keep trying no matter how hard things are. To become good 4.________, we should know some 5.________ learning skills. We need 6.________ knowledge to real‑life experience. It is wise 7.________ wasting time on useless review. Besides, our 8.________ plays an important role in study. When you try 9.________ knowledge you have learned, you will find it easier if you create pictures in your brain. With the 10.________ of good habits, you can make greater progress day by day. 六、语法填空（10空，每空1分，共10分） 在空白处填入一个适当单词或用所给单词的适当形式填空。 Great changes 1.________ (take) place in our country in the last few decades. Many people think of inspiring people 2.________ have made great contributions to our society. One of them is Yuan Longping, 3.________ pioneer in rice research. He trained lots of researchers 4.________ (fight) against hunger. Nowadays, smart learning becomes popular. Many students wonder 5.________ they can improve their study. Our brain is powerful but our 6.________ (memorize) may fail us sometimes. It is useful 7.________ (review) what we have learned regularly. If you want 8.________ (make) your long‑term memory stronger, you’d better deal 9.________ stress properly. Nobody can achieve success overnight. As long 10.________ we keep trying, we are sure to make progress. 参考答案与详细解析 一、用所给单词的适当形式填空 1. development 解析：the +名词+of；develop动词，development名词“发展”。【Unit1 with the development of 随着……的发展】 2. has built 解析：so far（到目前为止）现在完成时标志；主语government单数，have变has；build过去分词built。【Unit1 现在完成时】 3. achievements 解析：谓语动词have，主语需要复数；achieve动词；achievement名词“成就”。【Unit2 人物话题】 4. heroes 解析：those后接可数名词复数；hero复数形式heroes。【Unit2】 5. scientific 解析：be动词后接形容词作表语；science名词；scientific形容词“科学的”。【Unit3】 6. effective 解析：固定结构find it +adj. to do；effect名词；effective形容词“有效的”。【Unit3】 7. recalling 解析：固定搭配have trouble (in) doing sth. 做某事有困难。【Unit4 recall回忆】 8. information 解析：定冠词the后接名词；inform动词；information不可数名词“信息”。【Unit4】 9. used 解析：used to do sth.过去常常做某事（现在不再）。【Unit1】 10. inventions 解析：many后接复数名词；invent动词发明；invention名词“发明物”。【Unit1】 11. has trained / trained 解析：定语从句，先行词the scientist单数；无明确时间标志，has trained（现在完成时，强调对现在影响）优先答案；trained一般过去时语法同样成立。【Unit2】 12. courageous 解析：修饰名词spirit用形容词；courage名词勇气；courageous形容词“勇敢的”。【Unit2】 13. ability 解析：learning ability 学习能力；able形容词；ability名词“能力”。【Unit3】 14. mixing 解析：avoid doing sth. 避免做某事；mix up混淆。【Unit4】 15. hasn’t seen 解析：since+过去时间点，现在完成时；主语he，see过去分词seen。【Unit1】 16. contributions 解析：make great contributions to…对……做出巨大贡献，固定短语，用复数。【Unit2】 17. improving 解析：the secret to doing sth. 做某事的秘诀；to是介词，后接动名词。【Unit3】 18. worse 解析：than提示比较级；bad比较级worse。【Unit4】 19. reaction 解析：the +名词作主语；react动词；reaction名词“反应”。【Unit4】 20. to review 解析：固定句型 It is +adj.+for sb. to do sth.。【Unit3 不定式】 二、根据首字母提示填空 1. past 解析：in the past 在过去，Unit1描述过去生活。 2. taken 解析：take place发生；have+过去分词，take‑taken。【Unit1】 3. pioneer 解析：pioneer先驱；杂交水稻研究先驱。【Unit2】 4. look 解析：look up to 钦佩、仰慕，固定短语。【Unit2】 5. influence 解析：influence v.影响；压力会严重影响记忆表现。【Unit4】 6. notes 解析：take notes记笔记，固定搭配。【Unit3】 7. term 解析：long‑term memory长期记忆，对应short‑term短期记忆。【Unit4】 8. memorize 解析：memorize v.熟记，记忆单词。【Unit4】 9. government 解析：government政府；当地政府采取行动治理沙尘暴。【Unit1】 10. touch 解析：keep in touch with 与……保持联系。【Unit1】 11. discoveries 解析：make discoveries做出发现；several后接复数。【Unit2】 12. stop 解析：stop sb. from doing阻止某人做某事。【Unit2】 13. whether 解析：whether引导宾语从句表“是否”；首字母w限制，不能填if。【Unit3】 14. technique 解析：technique n.技巧、方法；学习技巧。【Unit3】 15. start 解析：to start with 首先，固定短语。【Unit4】 16. react 解析：react to对……作出反应；will后接动词原形。【Unit4】 17. suffered 解析：suffer from遭受；decades ago过去时间，用一般过去时。【Unit1】 18. admire 解析：admire钦佩、仰慕英雄。【Unit2】 19. mistake 解析：make a mistake犯错误。【Unit3】 20. mix 解析：mix up混淆，弄乱。【Unit4】 三、根据汉语提示填空 1. government 解析：government政府。【Unit1】 2. railways 解析：many后接复数railways铁路。【Unit1】 3. achievements 解析：whose后接名词；谓语surprise原形，主语用复数。【Unit2】 4. overcome 解析：should后接动词原形overcome克服。【Unit2】 5. hypothesis 解析：hypothesis名词“假设”；检验他的假设。【Unit3】 6. scientific 解析：be动词后用形容词scientific科学的。【Unit3】 7. Recalling 解析：动名词作句子主语；recall回忆起；填To recall语法也成立，Recalling为最优答案。【Unit4】 8. memory 解析：memory记忆力，不可数名词。【Unit4】 9. soil 解析：soil土壤，不可数名词。【Unit1】 10. brought 解析：bring about带来；现在完成时have brought。【Unit1】 11. admires 解析：主语the girl第三人称单数；admire钦佩。【Unit2】 12. research 解析：do research on做……研究；research不可数。【Unit2】 13. whether / if 解析：宾语从句，“是否”。【Unit3】 14. techniques 解析：one of +最高级+可数名词复数。【Unit3】 15. brains 解析：our我们的，后接复数brains大脑。【Unit4】 16. mix 解析：don’t后接动词原形mix；mix up弄乱。【Unit4】 17. shortage 解析：a shortage of ……的短缺。【Unit1】 18. trained 解析：陈述过去动作，一般过去时train‑trained。【Unit2】 19. learning 解析：learning styles学习方式，动名词作定语。【Unit3】 20. boost 解析：can后接动词原形boost促进。【Unit4】 四、完成句子 1. have taken place 解析：in the past ten years现在完成时标志；take place无被动语态。【Unit1】 2. suffer from 解析：no longer后接动词原形；suffer from遭受。【Unit1】 3. look up to 解析：look up to 仰慕钦佩。【Unit2】 4. doing research 解析：keep doing sth坚持做某事；do research做研究。【Unit2】 5. find it useful 解析：find it +adj.+to do，it作形式宾语。【Unit3】 6. turn into 解析：turn…into把……转化成；句中已有information，不再加it。【Unit4】 7. have a bad influence on 解析：have a bad influence on 对……产生坏影响。【Unit4】 8. With the development of 解析：with the development of 随着……的发展。【Unit1】 9. have kept in touch with 解析：for many years现在完成时；keep in touch with保持联系。【Unit1】 10. to train 解析：It is +adj.+of sb. to do sth句型。【Unit2】 11. learn from 解析：learn from sb向某人学习。【Unit2】 12. how to improve 解析：疑问词+不定式作宾语。【Unit3】 13. Dividing; into 解析：divide…into把……分成；动名词作句子主语，首字母大写。【Unit3】 14. To start with 解析：to start with首先。【Unit4】 15. memorize / keep in mind 解析：memorize记住；keep in mind记在心里。【Unit4】 16. give up 解析：give up放弃；定语从句who指代people复数。【Unit2】 17. advises; not to 解析：advise sb. not to do sth建议某人不要做；主语teacher三单。【Unit3】 18. mix up 解析：mix up混淆；don’t后接动词原形。【Unit4】 19. overcame 解析：and连接并列谓语，realized过去式，overcome过去式overcame。【Unit2】 20. deal with 解析：deal with处理；learn to do后接动词原形。【Unit4】 五、短文选词填空 1. changing 解析：is+现在分词构成现在进行时，世界正在快速变化。【Unit1】 2. admire 解析：一般现在时；teenagers复数谓语用原形admire仰慕。【Unit2】 3. heroes 解析：those后接复数名词heroes英雄。【Unit2】 4. learners 解析：learner学习者；good learners优秀学习者，复数。【Unit3】 5. effective 解析：形容词effective修饰名词skills，有效的学习技巧。【Unit4】 6. to connect 解析：need to do sth需要做某事；connect…to把……和……联系。【Unit3】 7. to avoid 解析：It is wise to do sth；avoid doing sth避免做某事。【Unit3】 8. memory 解析：memory记忆力，作句子主语。【Unit4】 9. to recall 解析：try to do sth努力做某事；recall回忆知识。【Unit4】 10. development 解析：with the development of随着……的发展；develop动词变名词development。【Unit1】 六、语法填空 1. have taken 解析：in the last few decades过去几十年，现在完成时；take place无被动。【Unit1】 2. who / that 解析：定语从句，先行词people指人，关系代词who/that作主语。【Unit2】 3. a 解析：pioneer辅音音素开头，泛指“一位先驱”。【Unit2】 4. to fight 解析：train sb. to do sth训练某人做某事，不定式作宾补。【Unit2】 5. how 解析：宾语从句；wonder how…想知道如何……。【Unit3】 6. memory 解析：形容词性物主代词our后接名词memory记忆力。【Unit4】 7. to review 解析：It is +adj.+to do sth，不定式作真正主语。【Unit3】 8. to make 解析：want to do sth想要做某事。【Unit3】 9. with 解析：固定搭配deal with处理。【Unit4】 10. as 解析：as long as连词“只要”引导条件状语从句。 学科网（北京）股份有限公司 $