中考英语一轮话题复习(十六)科普知识与现代技术
本专项按照“科技发明与工具→网络与通信→人工智能与机器人→科技对生活的影响→科技相关经历”的知识顺序编排。题型涵盖单项选择、完形填空、阅读理解、任务型阅读、词汇运用、句型转换、情景交际、短文填空及书面表达,各题型题量充足,相当于45页标准试卷。建议分5-6课时完成,注重培养学生的科学素养及技术应用表达能力。
一、核心知识梳理
1. 科技发明与工具
发明: computer, smartphone, tablet, laptop, television, radio, camera, printer, scanner, calculator, GPS, robot, drone, 3D printer, virtual reality (VR) headset.
发明家: Thomas Edison (light bulb), Alexander Graham Bell (telephone), the Wright brothers (airplane), Steve Jobs (iPhone), Bill Gates (Microsoft), Tim Berners-Lee (World Wide Web).
描述: invention, device, technology, innovation, tool, machine, equipment, digital, electronic, smart, intelligent.
2. 网络与通信
互联网: Internet, website, webpage, browser, search engine, email, online, offline, download, upload, stream, social media, app, software, hardware, virus, firewall, password.
通信: message, text, call, video call, chat, group chat, post, share, like, comment, follow, subscribe, notification.
常用短语: surf the Internet, search for information, log in, sign up, update, back up, go viral.
利弊: convenient, fast, informative, addictive, privacy issues, cyberbullying, fake news, waste time.
3. 人工智能与机器人
AI相关: artificial intelligence (AI), machine learning, deep learning, algorithm, data, big data, voice assistant (Siri, Alexa), smart home, self-driving car, facial recognition, recommendation system.
机器人: robot, humanoid robot, industrial robot, cleaning robot, medical robot.
讨论: AI can help with... / AI may replace some jobs. / Robots make work easier. / We need to control AI development.
4. 科技对生活的影响
正面影响: makes life easier, saves time, connects people, provides information, improves education, advances medicine, increases productivity.
负面影响: causes addiction, reduces face-to-face communication, replaces jobs, privacy risks, eye strain, sedentary lifestyle.
建议: use technology wisely, set limits, take breaks, protect personal information.
5. 语法聚焦——定语从句在科技话题中的运用
定语从句用于修饰名词,使表达更精确。关系代词: who (人), which (物), that (人或物), whose (所属), where (地点), when (时间).
例句: A smartphone is a device that can do many things. / This is the robot which can clean the floor. / The person who invented the telephone is Alexander Bell.
注意: 限制性定语从句与先行词关系紧密,不用逗号;非限制性定语从句用逗号隔开,补充说明。
易错提醒: ① “on the Internet” 在互联网上,不用 “in”。② “search for information” 搜索信息,不要漏掉 for。③ “take photos” 拍照,不是 “make photos”。④ “technology” 不可数,“a technology” 指一种技术。⑤ “AI” 缩写,全称 Artificial Intelligence。
二、专项考点·精巧练习
本部分练习题按照知识点顺序设计,题型丰富,难度递进,覆盖中考所有题型。
题型一:单项选择(共20小题,每小题1.5分)
1. A smartphone is a device ______ can do many things like calling, texting, and browsing the Internet.
A. who B. which C. what D. where
2. We can search ______ information on the Internet.
A. to B. for C. of D. with
3. The ______ is an invention that changed the way we communicate.
A. telephone B. light bulb C. car D. airplane
4. ______ is a technology that allows machines to learn from data.
A. Virtual Reality B. Artificial Intelligence C. 3D printing D. GPS
5. You need to ______ in to your account before you can post a comment.
A. sign B. log C. write D. get
6. Social media can be addictive. We should ______ the time we spend on it.
A. increase B. limit C. enjoy D. forget
7. The first computer ______ very large and expensive.
A. is B. are C. was D. were
8. Many people use voice assistants like Siri ______ reminders.
A. set B. to set C. setting D. sets
9. ______ is the most popular search engine in the world.
A. Google B. Baidu C. Bing D. Yahoo
10. Self-driving cars use ______ to detect obstacles and navigate.
A. cameras B. sensors C. GPS D. all of the above
11. You should ______ your personal information online to avoid identity theft.
A. share B. protect C. post D. publish
12. The World Wide Web was invented by ______.
A. Bill Gates B. Steve Jobs C. Tim Berners-Lee D. Mark Zuckerberg
13. This app allows you to ______ videos from your phone to the cloud.
A. download B. upload C. load D. unload
14. One disadvantage of technology is that it can cause ______ strain from looking at screens too long.
A. eye B. ear C. neck D. back
15. Robots are often used in ______ to perform repetitive tasks.
A. hospitals B. schools C. factories D. offices
16. Which of the following is NOT a social media platform
A. WeChat B. TikTok C. Excel D. Instagram
17. We can ______ online courses to learn new skills.
A. take B. do C. make D. have
18. The ______ of the smartphone has changed our lives greatly.
A. invention B. inventor C. invent D. inventive
19. If you forget your password, you can click “______ password”.
A. forget B. remember C. reset D. set
20. Technology can help doctors ______ diseases more accurately.
A. treat B. diagnose C. prevent D. all of the above
题型二:完形填空(共15空,每空1分)
The Internet has become a big part of our lives. We use it for many things — ___21___ information, communicating with others, shopping, learning, and entertainment. However, the Internet also has its ___22___. One problem is cyberbullying. Some people use the Internet to ___23___ or hurt others. This can cause serious emotional damage. Another problem is the spread of ___24___ news. False information can spread quickly on social media. This can mislead people and cause panic. Also, spending too much time online can be ___25___ to our health. It can lead to eye strain, poor posture, and lack of exercise. So how can we use the Internet ___26___ First, always check the source of information before you believe or ___27___ it. Second, be kind online. Don’t post hurtful comments. Third, set a ___28___ for your screen time. Take breaks every hour. Fourth, ___29___ your personal information. Don’t share your password or address with strangers. Fifth, talk to your parents or teachers if you ___30___ something uncomfortable online. The Internet is a powerful tool. When used ___31___, it can bring us knowledge, fun, and connections. But we must be ___32___ and responsible users. Remember, what you post online ___33___ be there forever. So think before you click. Let’s make the Internet a ___34___ and better place for everyone. After all, technology should serve us, not ___35___ us.
21. A. finding B. losing C. hiding D. destroying
22. A. advantages B. disadvantages C. uses D. benefits
23. A. help B. teach C. bully D. praise
24. A. true B. good C. fake D. old
25. A. helpful B. harmful C. useful D. careful
26. A. safely B. dangerously C. quickly D. carelessly
27. A. share B. ignore C. delete D. forget
28. A. record B. limit C. goal D. target
29. A. share B. protect C. show D. tell
30. A. enjoy B. create C. experience D. avoid
31. A. wisely B. foolishly C. rarely D. secretly
32. A. lazy B. careless C. careful D. quick
33. A. can B. can’t C. must D. mustn’t
34. A. safer B. more dangerous C. noisier D. busier
35. A. control B. serve C. help D. protect
题型三:阅读理解(共3篇,15小题,每小题2分)
A. The Rise of Artificial Intelligence
Artificial Intelligence, or AI, is one of the most exciting technologies today. AI refers to machines that can think and learn like humans. We already use AI in many ways. When you ask Siri or Alexa a question, AI understands your voice and gives an answer. When Netflix recommends a movie you might like, AI is behind it. Self-driving cars use AI to navigate roads. AI is also used in medicine to help doctors diagnose diseases. In factories, robots powered by AI assemble products quickly and accurately. However, AI also raises concerns. Some people worry that AI will take away jobs. Others are concerned about privacy because AI systems collect a lot of data. There are also ethical questions: Should AI be used to make decisions about people’s lives Despite these concerns, AI is here to stay. The key is to develop AI responsibly. We need rules to ensure AI is used for good. With proper regulation, AI can make our lives better, safer, and more efficient.
根据短文内容,选择最佳答案。
36. What is AI
A. A type of robot B. Machines that can think and learn like humans C. A new smartphone D. A social media platform
37. How does Netflix use AI
A. To make movies B. To recommend movies C. To stream videos D. To charge users
38. Where is AI used in medicine
A. To clean hospitals B. To help diagnose diseases C. To schedule appointments D. To make medicine
39. What is one concern about AI
A. It is too expensive. B. It may take away jobs. C. It doesn’t work well. D. It is not popular.
40. What does the writer suggest for AI development
A. Stop using AI B. Develop AI responsibly with rules C. Let AI make all decisions D. Ignore the concerns
B. The Pros and Cons of Smartphones
Smartphones have become an essential part of modern life. They offer many benefits. First, they keep us connected. We can call, text, or video chat with anyone anywhere. Second, they provide information. With a smartphone, you can look up facts, news, and tutorials instantly. Third, they are great for entertainment. You can watch videos, play games, listen to music, and read books. Fourth, they help with daily tasks. You can set alarms, make shopping lists, use maps, and pay bills. However, smartphones also have downsides. Many people become addicted to their phones. They check them constantly, even during meals or conversations. This can harm relationships. Too much screen time can cause eye strain, headaches, and sleep problems. Also, smartphones can distract students from studying. Moreover, privacy is a concern. Apps collect personal data, and hackers can steal information. The key is balance. Use your smartphone as a tool, not a master. Set limits on your usage. Turn off notifications when you need to focus. Remember to look up and enjoy the real world.
41. How many benefits of smartphones are mentioned
A. Three B. Four C. Five D. Six
42. What problem can smartphone addiction cause
A. Better relationships B. Eye strain and sleep problems C. More productivity D. Lower bills
43. What does the writer suggest about using smartphones
A. Stop using them completely B. Use them as a tool with balance C. Only use them for work D. Buy the most expensive one
44. Which of the following is NOT mentioned as a benefit
A. Keeping connected B. Providing information C. Cooking meals D. Entertainment
45. What should you do to avoid distraction
A. Check your phone more often B. Turn off notifications when needed C. Keep your phone always on D. Use two phones
C. A Student’s Science Project
Last semester, I did a science project on renewable energy. I built a small solar-powered fan. First, I researched how solar panels work. I learned that solar cells convert sunlight into electricity. Then I bought a small solar panel, a motor, and a fan blade. I connected the solar panel to the motor with wires. When I placed the panel in sunlight, the fan started spinning. It was amazing! I also tested how the fan performed on cloudy days. It still worked, but slower. For my presentation, I explained the importance of solar energy. It is clean, renewable, and reduces pollution. My teacher was impressed. Some classmates asked me how they could build their own. I shared my instructions. This project taught me that science is not just in textbooks. It is something we can do with our hands. I also learned that we have the power to create solutions for environmental problems. I hope to study engineering in the future. Technology and science can change the world.
46. What was the student’s science project
A. A solar-powered fan B. A wind turbine C. A water filter D. A robot
47. What do solar cells do
A. Store electricity B. Convert sunlight into electricity C. Produce heat D. Clean air
48. How did the fan perform on cloudy days
A. It didn’t work. B. It worked faster. C. It worked but slower. D. It made noise.
49. What did the student’s teacher think of the project
A. Boring B. Impressed C. Confused D. Angry
50. What does the student hope to study in the future
A. Medicine B. Engineering C. Art D. History
题型四:任务型阅读(共10小题,每小题2分)
第一部分:匹配科技产品与功能(5题)
产品:
A. Smartphone B. Laptop C. Smartwatch D. E-reader E. Drone
功能:
1. Used for reading digital books, with an eye-friendly screen.
2. Can make calls, send messages, run apps, and take photos.
3. A portable computer for work, study, and entertainment.
4. An unmanned aircraft that can take aerial photos and videos.
5. Worn on the wrist, tracks health data and shows notifications.
51. A → ______ 52. B → ______ 53. C → ______ 54. D → ______ 55. E → ______
第二部分:匹配科技发明与发明家(5题)
发明:
F. Light bulb G. Telephone H. Airplane I. Personal computer J. World Wide Web
发明家:
6. The Wright brothers 7. Thomas Edison 8. Alexander Graham Bell 9. Tim Berners-Lee 10. Steve Jobs & Steve Wozniak
56. F → ______ 57. G → ______ 58. H → ______ 59. I → ______ 60. J → ______
题型五:词汇运用(共15小题,每小题1分)
61. We can use a s__________ engine to find information on the Internet.
62. Please remember to s__________ off your computer before you leave.
63. The new software has many useful f__________ (功能).
64. You need to enter your p__________ (密码) to log in.
65. The invention of the smartphone has r__________ (革命化) the way we communicate.
66. Self-driving cars use s__________ (传感器) to detect obstacles.
67. Many young people are a__________ to online games.
68. You can d__________ (下载) movies from the Internet to watch offline.
69. AI can help doctors d__________ (诊断) diseases more accurately.
70. It’s important to p__________ your personal information online.
71. The new iPhone has a better c__________ (相机) than the old one.
72. We should take regular b__________ from looking at screens.
73. The robot can p__________ (执行) many tasks that humans find boring.
74. The company is developing a new v__________ (虚拟) reality headset.
75. Many people use social media to s__________ (分享) their daily lives.
题型六:句型转换(共11小题,每小题2分)
76. We can use smartphones to take photos. (对划线部分提问)
__________ can we use smartphones __________ do
77. The computer was invented in the 20th century. (对划线部分提问)
__________ was the computer invented
78. “Don’t spend too much time on social media,” my mother said. (改为间接引语)
My mother told me __________ __________ spend too much time on social media.
79. The Internet connects people all over the world. (改为被动语态)
People all over the world __________ __________ by the Internet.
80. This app is very useful for learning English. (改为感叹句)
__________ __________ this app is for learning English!
81. She spends two hours playing computer games every day. (改为同义句)
It __________ her two hours __________ play computer games every day.
82. If you don’t protect your password, someone may steal it. (改为同义句)
__________ your password, or someone may steal it.
83. The smartphone is a device. It can access the Internet. (合并为定语从句)
The smartphone is a device __________ can access the Internet.
84. He has never used a 3D printer before. (改为反意疑问句)
He has never used a 3D printer before, __________ __________
85. We should turn off our phones during class. (改为否定句)
We __________ __________ turn off our phones during class.
86. The technology is so advanced that it can recognize faces. (改为同义句)
It is __________ advanced technology __________ it can recognize faces.
题型七:情景交际(共10空,每空2分)
对话一:讨论科技产品
A: 87.________________________
B: I think the smartphone is the most useful invention. It does so many things.
A: 88.________________________. But I also think the Internet is amazing.
B: 89.________________________
A: Because it gives us access to unlimited information.
B: 90.________________________. However, we must be careful not to get addicted.
A: 91.________________________. That’s why I set a timer for my phone usage.
对话二:谈论人工智能
C: 92.________________________ about AI
D: I think AI will change many jobs. Some jobs may disappear.
C: 93.________________________
D: For example, factory workers and drivers might be replaced by robots and self-driving cars.
C: 94.________________________. But new jobs will appear too.
D: 95.________________________. We need to learn new skills.
C: 96.________________________ learn to code It’s a useful skill for the future.
D: That’s a great idea. Let’s take an online course together!
题型八:短文填空(共15空,每空1分)
Last year, I ___97___ (buy) a smartwatch. It ___98___ (be) a gift for myself after saving money for three months. At first, I ___99___ (not know) how to use all its features. I ___100___ (watch) tutorial videos online. Gradually, I learned. The smartwatch can ___101___ (track) my steps, heart rate, and sleep quality. It also ___102___ (show) notifications from my phone. I don’t need to ___103___ (take) out my phone as often. However, I ___104___ (find) myself checking my watch too much. It ___105___ (become) a distraction. So I ___106___ (decide) to turn off some notifications. Now I only keep the important ones. I also set a daily step goal. The watch ___107___ (motivate) me to walk more. Last month, I ___108___ (walk) over 10,000 steps every day. I ___109___ (feel) healthier. Technology is a tool. It can help us, but we should not ___110___ (let) it control us. I am happy with my smartwatch. It ___111___ (help) me build better habits.
题型九:书面表达(满分15分)
假设你是李华,你的英国笔友Tom来信询问现代技术对你生活的影响。请你根据以下要点给他写一封回信。
要点:1. 你常用的科技产品有哪些(如手机、电脑等);2. 这些产品如何帮助你的学习和生活;3. 科技带来的负面影响(如沉迷、隐私问题等);4. 你对合理使用科技的建议。
要求:词数80-100,开头和结尾已给出,不计入总词数。语言流畅,逻辑清晰,可适当发挥。
Dear Tom,
Thank you for your letter. You asked about how modern technology affects my life. Now let me tell you.
_________________________________________________________________________________________________________________________________________________________________________________________________________
I hope my experience is helpful to you.
Yours,
Li Hua
参考答案及解析
单项选择:1-5 BBA BB 6-10 BCBAD 11-15 BCBAC 16-20 CAACD (1.B 2.B 3.A 4.B 5.B 6.B 7.C 8.B 9.A 10.D 11.B 12.C 13.B 14.A 15.C 16.C 17.A 18.A 19.C 20.D)
完形填空:21-25 ABCCB 26-30 AABBC 31-35 ACAAB
阅读理解:36-40 BBBBB 41-45 BBBBB 46-50 ABCBB
任务型阅读:51-55 2,3,5,1,4; 56-60 7,8,6,10,9
词汇运用:61.search 62.shut 63.functions 64.password 65.revolutionized 66.sensors 67.addicted 68.download 69.diagnose 70.protect 71.camera 72.breaks 73.perform 74.virtual 75.share
句型转换:76.What; to 77.When 78.not to 79.are connected 80.How useful 81.takes; to 82.Protect 83.that/which 84.has he 85.should not 86.such; that
情景交际:87.What do you think is the most useful invention 88.I agree 89.Why do you think so 90.That’s true 91.You’re right 92.What do you think 93.Can you give an example 94.I see your point 95.That’s true 96.Why don’t we
短文填空:97.bought 98.was 99.didn’t know 100.watched 101.track 102.shows 103.take 104.found 105.became 106.decided 107.motivates 108.walked 109.felt 110.let 111.has helped
书面表达参考范文:
Dear Tom,
Thank you for your letter. You asked about how modern technology affects my life. Now let me tell you. I use my smartphone and laptop every day. They help me with my studies. I can search for information, watch educational videos, and communicate with teachers. They also make life convenient. I shop online, read e-books, and stay in touch with friends. However, technology has downsides too. I sometimes get distracted by games and social media. Too much screen time hurts my eyes. To use technology wisely, I set a timer for apps. I also turn off notifications when studying. Remember to take breaks and protect personal information. Technology is a tool, not a master. I hope my experience is helpful to you.
Yours,
Li Hua
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