Unit3 Our Digital Lives重点词汇词性转换及巩固训练 -2025-2026学年沪教版（2024）八年级上册英语

沪教版八年级上册英语 Unit3 Our Digital Lives 单词词性转换及巩固训练 一、词性转换（共20分） 1. digital (adj.) → ________ (n.) 数字技术 1. connect (v.) → ________ (adj.) 相互连接的 1. warn (v.) → ________ (n.) 警告；警示 1. smooth (adj.) → ________ (adv.) 平稳地；流畅地 1. major (adj.) → ________ (adv.) 主要地；大部分地 1. effect (n.) → ________ (adj.) 有效的 1. pay (v.) → ________ (n.) 付款；支付 1. expert (n.) → ________ (adj.) 熟练的；专业的 1. negative (adj.) → ________ (adv.) 消极地；负面地 1. break (v.) → ________ (n.) 突破；重大进展 1. electric (adj.) → ________ (adj.) 电子的 1. nation (n.) → ________ (adj.) 全国性的；国家的 1. rely (v.) → ________ (adj.) 可靠的 1. collect (v.) → ________ (n.) 收集；采集 1. person (n.) → ________ (adv.) 亲自；亲身 1. privacy (n.) → ________ (adj.) 隐私的；私密的 1. add (v.) → ________ (adj.) 上瘾的 1. vary (v.) → ________ (adj.) 各种各样的 1. analyze (v.) → ________ (n.) 分析 1. communicate (v.) → ________ (n.) 交流；沟通 二、根据括号里单词的正确形式填空（共30分） 1. The development of digital technology has ________ (bring) big changes to our daily lives. 2. Smart devices can ________ (communication) with each other and share data in smart cities. 3. Dr. Li, a famous technology ________ (expert), will give us a lecture next week. 4. Traffic in the city center flows much ________ (smooth) than before because of the smart system. 5. We should pay attention to protecting our ________ (private) when using social media. 6. The smartwatch ________ (warn) my father about his high heart rate yesterday morning. 7. This new AI technology is a ________ (majority) breakthrough in digital health. 8. More and more people prefer ________ (pay) by mobile phone instead of cash. 9. The data collected from users helps the company ________ (improve) its app. 10. My laptop is much ________ (light) than the old one, so it's easy to carry. 11. Cyberbullying has a ________ (harm) effect on teenagers' mental health. 12. The rubbish collection company ________ (plan) better routes based on the data last month. 13. In the future, self-driving cars ________ (make) our roads safer. 14. We need to check the ________ (rely) of online information before sharing it. 15. The smart door lock unlocks ________ (automatic) when it recognizes the owner's face. 16. Students have ________ (interview) three experts on digital technology so far. 17. Mobile payment ________ (change) the way we shop since it was invented. 18. The teacher advised us ________ (not spend) too much time on screen. 19. This app is ________ (use) for downloading music and videos. 20. The microchip made computers ________ (small) and faster than before. 21. There are many ________ (advantage) of online learning, such as flexibility. 22. The company is ________ (analysis) user data to provide better services. 23. She feels ________ (addict) to her smartphone and can't put it down. 24. The Internet allows us ________ (connect) with people from all over the world. 25. The traffic lights adjust ________ (they) timing according to the number of cars. 26. This is one of the ________ (important) changes brought by digital technology. 27. He gave a ________ (detail) introduction about smart cities in his report. 28. Smart cities are more ________ (eco-friendly) than traditional cities. 29. I ________ (download) three English learning apps last weekend. 30. People expressed different ________ (opinion) on the influence of social media. 三、根据句子中首字母提示完成合适的单词填空（共30分） 1. With the help of Wi-Fi, all our smart d________ can connect to the Internet. 2. The microchip was a major b________ in the history of computers. 3. We should be careful with our p________ information online to avoid being cheated. 4. My mother uses her smartphone to make mobile p________ when shopping. 5. The traffic in the city is very heavy during rush hours, so it doesn't flow s________. 6. Digital technology has a great i________ on how we work and study. 7. The smartwatch can c________ our health condition and warn us of problems. 8. Social m________ like WeChat and微博 are very popular among teenagers. 9. The company needs to collect and analyze user d________ to improve its products. 10. Laptop computers are more convenient than desktop ones because of their light w________. 11. The arrival of smartphones started a new e________ in digital technology. 12. Cyberbullying is a serious problem that has n________ effects on young people. 13. You can d________ the app from the official website for free. 14. Dr. Wang is an e________ in digital technology and has many inventions. 15. In smart cities, rubbish bins can a________ tell the network when they are full. 16. The Internet has b________ big changes to the way we communicate with each other. 17. We need to have basic digital l________ to live well in the digital age. 18. Take online education for example, it allows students to study without going to school in p________. 19. The software can help us o________ our study schedule more effectively. 20. The traffic lights in the smart city can change their t________ based on real-time data. 21. Many people like to read novels and leave c________ on the reading app. 22. Electronic devices have become an important p________ of our daily lives. 23. The smart home system can control the lights and air conditioner r________. 24. The n________ about the new digital product spread quickly online. 25. We should e________ the advantages and disadvantages of digital technology objectively. 26. The small device can m________ our sleep quality and give us suggestions. 27. Different countries are working together to build a global digital n________. 28. The teacher w________ us about the risks of sharing personal photos online. 29. The new software has many new f________ that make it more user-friendly. 30. In the future, quantum computers will be much more p________ than today's computers. 四、用括号里汉语提示完成单词填空（共40分） 1. The development of ________ (数字技术) has greatly changed people's lifestyles. 2. A ________ (传感器) in the smart home can detect water leaks and send alerts. 3. We need to improve our ________ (数字素养) to adapt to the digital age. 4. The ________ (物联网) connects various smart devices to make life more convenient. 5. The smart traffic system helps reduce ________ (事故) on the road. 6. My father bought a new ________ (笔记本电脑) for my online classes. 7. The company has made a ________ (重大的) breakthrough in AI technology. 8. ________ (移动支付) is very popular in China, even among the elderly. 9. The ________ (治疗) based on the collected data is more targeted and effective. 10. The smart city uses green energy, so it is more ________ (环保的). 11. We can use ________ (表情符号) to express our feelings in online chats. 12. The ________ (微芯片) made computers smaller and more powerful. 13. The ________ (网络) in our community went down yesterday due to bad weather. 14. The rubbish collection company changed its ________ (路线) to save time and fuel. 15. The ________ (多媒体) classroom is equipped with advanced teaching tools. 16. We should ________ (评估) the reliability of online information before using it. 17. Some online news reports are ________ (有偏见的) because they only present one side of the story. 18. The ________ (软件) needs to be updated regularly to fix bugs. 19. The smartwatch can ________ (提醒) you to take medicine on time. 20. The ________ (屏幕) of this tablet is larger and clearer than the old one. 21. The two cities are connected by a high-speed digital ________ (网络). 22. The ________ (专家) suggested that we should limit our screen time. 23. Digital technology has both ________ (积极的) and negative effects on children. 24. The ________ (数据) collected from the devices helps improve public services. 25. We can ________ (上传) photos and videos to social media to share with friends. 26. The ________ (自动的) door opens when someone approaches it. 27. The ________ (重量) of this smartphone is only 150 grams. 28. The new app has many ________ (功能) that meet users' needs. 29. The company provides technical ________ (支持) for its digital products. 30. Online learning allows students to study at their own ________ (节奏). 31. The ________ (电子的) devices should be recycled properly to protect the environment. 32. The ________ (意见) of the public are important for improving digital services. 33. We need to protect our personal information to avoid ________ (隐私) leakage. 34. The traffic flows more ________ (顺利地) after the smart system was installed. 35. The ________ (发明) of the smartphone changed the way we communicate. 36. The ________ (支付) can be completed with just a tap of the smartphone. 37. The smart city can ________ (管理) traffic and energy more efficiently. 38. The ________ (影响) of cyberbullying on teenagers should not be ignored. 39. We can ________ (下载) movies and music through the app when online. 40. The ________ (时代) of digital technology has brought us many conveniences. 答案 一、重点单词词性转换. 1. digital technology 2. connected 3. warning 4. smoothly 5. mainly 6. effective 7. payment 8. expert 9. negatively 10. breakthrough 11. electronic 12. national 13. reliable 14. collection 15. personally 16. private 17. addicted 18. various 19. analysis 20. communication 二、根据括号里单词的正确形式填空。 1. brought 2. communicate 3. expert 4. more smoothly 5. private 6. warned 7. major 8. to pay/paying 9. (to) improve 10. lighter 11. harmful 12. planned 13. will make 14. reliability 15. automatically 16. interviewed 17. has changed 18. not to spend 19. used 20. smaller 21. advantages 22. analyzing 23. addicted 24. to connect 25. their 26. most important 27. detailed 28. eco-friendly 29. downloaded 30. opinions 三、 1. devices 2. breakthrough 3. private 4. payments 5. smoothly 6. influence 7. check 8. media 9. data 10. weight 11. era 12. negative 13. download 14. expert 15. automatically 16. brought 17. literacy 18. person 19. organize 20. timing 21. comments 22. part 23. remotely 24. news 25. evaluate 26. monitor 27. network 28. warned 29. features 30. powerful 四、用括号里汉语提示完成单词填空 1. digital technology 2. sensor 3. digital literacy 4. Internet of Things 5. accidents 6. laptop 7. major 8. Mobile payment 9. treatment 10. eco-friendly 11. emojis 12. microchip 13. network 14. routes 15. multimedia 16. evaluate 17. biased 18. software 19. remind 20. screen 21. network 22. expert 23. positive 24. data 25. upload 26. automatic 27. weight 28. features 29. support 30. pace 31. electronic 32. opinions 33. privacy 34. smoothly 35. invention 36. payment 37. manage 38. influence 39. download 40. era 学科网（北京）股份有限公司 $