Unit3单元测试2025-2026学年译林版英语八年级下册

8B Unit 3 单元测试卷 一、单项选择（共 20 小题；每小题 1 分，满分 20 分） 1. The ______ makes it possible for us to know the world quickly. A. mouse B. Internet C. keyboard D. screen 2. You can click ______ the icon to start the program. A. in B. on C. at D. for 3. My cousin enjoys ______ the Internet to look for study materials. A. surf B. surfing C. surfs D. surfed 4. It is very important for us ______ personal privacy online. A. to protect B. protect C. protecting D. protected 5. You ______ tell your home address to strangers online. It’s dangerous. A. mustn’t B. can C. should D. may 6. —______ do you usually chat with your friends online? —Every Friday evening. A. What B. When C. Where D. Why 7. I often send ______ to my teachers to ask for help. A. emails B. books C. stamps D. letters 8. It’s a good habit to ______ ideas and feelings with our friends. A. share B. choose C. wait D. expect 9. Nowadays, it’s very ______ to pay and shop online. A. safe B. dangerous C. convenient D. difficult 10. We shouldn’t waste too much time ______ computer games. A. play B. playing C. to play D. played 11. —______ can we use the Internet to do? —We can learn English and watch educational videos. A. What B. How C. Which D. When 12. He wants ______ some music from the website. A. download B. downloading C. to download D. downloaded 13. Shhh! My father ______ a very important document now. A. downloads B. downloaded C. is downloading D. will download 14. We can keep in touch ______ our friends by WeChat or QQ. A. with B. for C. at D. in 15. ______ is necessary for us to use the Internet in a right way. A. It B. This C. That D. There 16. —Could you tell me how ______ to the Internet? —Sure. Just click here and wait a minute. A. connect B. connecting C. to connect D. connected 17. I ______ a message to my deskmate just now. A. send B. sent C. am sending D. will send 18. We should be careful ______ the news or information online. A. at B. for C. with D. on 19. —Why not ______ online classes to improve your English? —That sounds really helpful. A. take B. to take C. taking D. takes 20. The Internet helps us ______ all kinds of useful knowledge. A. lose B. gain C. miss D. change 二、完形填空（15 小题，15 分） Nowadays, the Internet is becoming more and more important in our daily life. It makes the world become much 21___ , and brings great convenience to everyone. Almost every family has a computer 22___ can connect to the Internet. Many people like to use the Internet every day. They can search for useful 23___ , watch educational videos, listen to music and chat with friends or family far away. When we 24 ___difficult problems in study or life, we can search for answers online at once. We can also take 25___ classes to learn new skills, such as English, cooking or drawing. It is very easy for us to 26___ in touch with others. We can send emails, 27___ messages or even have video calls. We can also 28___ our life stories, photos and ideas on the Internet. However, the Internet also has some 29___ . Some students spend too much time 30 ___online games or watching short videos. It is not only a waste of time but also bad for their health and study. We must learn to 31___ our personal information. We 32___ tell our real address, phone number or passwords to strangers. We must be 33___ when we read online news because some information is not true. The Internet is a helpful 34___ if we use it properly. Let’s learn to 35___ it wisely and make our life more colourful. 21. A. big B. small C. bigger D. smaller 22. A. who B. which C. where D. when 23. A. information B. games C. screens D. keyboards 24. A. look after B. worry about C. meet D. answer 25. A. free B. offline C. online D. boring 26. A. get B. keep C. make D. find 27. A. send B. buy C. post D. take 28. A. share B. change C. start D. end 29. A. advantages B. problems C. results D. answers 30. A. play B. playing C. to play D. played 31. A. protect B. forget C. lose D. give 32. A. mustn’t B. can C. should D. may 33. A. careless B. surprised C. careful D. excited 34. A. tool B. game C. book D. lesson 35. A. hate B. use C. leave D. refuse 三、阅读理解 阅读 A 篇（基础） The Internet has become a necessary part of modern life. Almost everyone uses it in different ways. We can do many things at home with the help of the Internet. We can shop online without going to supermarkets or stores. We can buy food, clothes, books and many other things easily and quickly. The Internet also helps us with study. When we don’t understand a lesson or a problem, we can search for information online. There are many free online courses and teaching videos. We can learn new skills and improve ourselves at any time. What’s more, the Internet makes communication much easier. We can chat with friends, send emails or make video calls to people far away. We can share our happiness and sadness with others quickly. However, we must use the Internet in a right way. We shouldn’t spend too much time online. It is bad for our eyes and bodies. We must protect our personal privacy and stay away from strangers online. 36. What can we do with the Internet according to the passage? A. Grow vegetables. B. Shop online. C. Drive cars. D. Cook meals. 37. What can we do when we meet difficult problems in study? A. Give up quickly. B. Ask strangers for help. C. Search for answers online. D. Play games to relax. 38. How does the Internet help us communicate? A. By making video calls. B. By writing letters. C. By taking photos. D. By buying gifts. 39. Which of the following is TRUE? A. We can spend all day online. B. We should protect personal privacy. C. The Internet is bad for everyone. D. We can tell strangers everything. 阅读 B 篇（中等） When we use the Internet, we need to follow some basic safety rules to keep ourselves safe. These rules can help us stay away from danger and enjoy the good parts of the Internet. First, we must protect our passwords. We mustn’t share them with anyone else, even our best friends. If our passwords are not safe, our personal information may be in great danger. Second, we should never tell strangers our real personal information. This includes our full name, home address, phone number, school name and even our parents’ jobs. Strangers online may not be kind. Third, we must be careful with the information we read online. Not all news or stories are true. Some information is false and may bring us trouble. We should think twice before believing or sharing it. Fourth, we should control our time online. Spending too much time playing games or watching videos is bad for our study, sleep and eyes. We should balance online time and offline activities. If we follow these rules, the Internet will be a safe and helpful friend to us. 40. What mustn’t we share with others? A. Our photos. B. Our passwords. C. Our hobbies. D. Our favorite books. 41. Which is NOT our real personal information? A. Our address. B. Our phone number. C. Our school name. D. Our favorite color. 42. Why should we be careful with online information? A. Because it is always expensive. B. Because all news is very interesting. C. Because some information is not true. D. Because it is difficult to understand. 43. What will happen if we spend too much time online? A. Our study will be better. B. Our eyes will feel tired. C. We will make more friends. D. We will learn more skills. 44. What is the main idea of this passage? A. How to stay safe online. B. How to play online games. C. How to shop online. D. How to send emails. 阅读 C 篇（提升） Online learning is becoming more and more popular around the world. It has changed the way people study and brings many great advantages. First, online learning is very convenient. We can study at home at any time we like. We don’t need to travel to school or training classes, so we can save a lot of time. Second, there are many kinds of online courses. We can choose what we like to learn, such as English, music, art, computer skills and so on. Third, if we don’t understand a lesson, we can watch the video again and again until we learn it well. However, online learning also has some disadvantages. We need a computer or a mobile phone. Looking at the screen for a long time is bad for our eyes. What’s more, we can’t talk with teachers and classmates face to face, so we may feel lonely sometimes. To make online learning more helpful, we should make a study plan and follow it. We should also balance online learning with offline exercise and communication. In this way, we can learn well and stay healthy. 45. What is the advantage of online learning? A. It is very convenient. B. It makes us feel lonely. C. It hurts our eyes. D. It needs no plans. 46. What can we do if we don’t understand the online lessons? A. Stop studying at once. B. Watch the videos again. C. Play games to relax. D. Ask strangers for help. 47. What is the disadvantage of online learning? A. It has many courses. B. It saves much time. C. It is bad for our eyes. D. We can learn at any time. 48. What does the writer advise us to do? A. Only study online. B. Stop online learning. C. Balance online and offline study. D. Use phones all day. 49. What is the best title for the passage? A. Online Learning B. Online Games C. Online Shopping D. Internet Safety 四、词汇检测（10 小题，10 分）根据句意及中文提示写出单词。 50. We can get a lot of useful ______ (信息) on the Internet. 51. It is very ______ (方便的) to study and shop online. 52. We should learn to ______ (保护) ourselves online. 53. Don’t ______ (浪费) too much time on meaningless things. 54. You can ______ (点击) the button to open the website. 55. It’s good to ______ (分享) your happiness with others. 56. It is ______ (危险的) to believe strangers online easily. 57. We can ______ (获取) new knowledge every day online. 58. Please send me an ______ (电子邮件) when you are free. 59. He is moving the ______ (鼠标) to choose the program. 五、短文语篇单词适当形式填空（10 小题，10 分） 阅读短文，用括号内所给单词的适当形式填空。 The Internet 60.__________ (bring) great changes to our life. It is very convenient. Many people enjoy 61.__________ (surf) the Internet in their free time. It’s important for us 62.__________ (stay) safe when we are online. We should 63.__________ (protect) our personal information. We mustn’t 64.__________ (tell) strangers our address or phone number. Look! My sister 65.__________ (chat) with her friend on the Internet. We can learn new skills by 66.__________ (take) online classes. Don’t spend too much time 67.__________ (play) computer games. The Internet helps us 68.__________ (gain) knowledge quickly. It makes our life much 69.__________ (easy) and more colourful. 六、书面表达（15 分） 题目：How to use the Internet properly 要点： 1. 网络很有用，可查资料、上网课、与亲友联系； 2. 不要沉迷游戏，不浪费时间； 3. 保护个人隐私，不向陌生人透露信息； 4. 合理使用网络，让生活更美好。 要求：80 词左右，语句通顺，条理清晰。 完整参考答案 一、单项选择 1.B 2.B 3.B 4.A 5.A 6.B 7.A 8.A 9.C 10.B 11.A 12.C 13.C 14.A 15.A 16.C 17.B 18.C 19.A 20.B 二、完形填空 21.D 22.B 23.A 24.C 25.C 26.B 27.A 28.A 29.B 30.B 31.A 32.A 33.C 34.A 35.B 三、阅读理解 36.B 37.C 38.A 39.B 40.B 41.D 42.C 43.B 44.A 45.A 46.B 47.C 48.C 49.A 四、词汇检测 50. information 51. convenient 52. protect 53. waste 54. click 55. share 56. dangerous 57. gain 58. email 59. mouse 五、短文单词适当形式填空 60. brings 61. surfing 62. to stay 63. protect 64. tell 65. is chatting 66. taking 67. playing 68. gain 69. easier 六、书面表达参考范文 How to use the Internet properly The Internet is very useful in our daily life. We can search for information, take online classes and keep in touch with friends easily. But we shouldn’t spend too much time playing online games. It is a waste of time and bad for our health. We must protect our personal privacy and never tell strangers our address or phone number. Let’s use the Internet wisely. It will help us learn more and make our life better. 学科网（北京）股份有限公司 $