Unit 3 Our digital lives Section 4 Extending and developing competencies练习作业 20256-2027学年沪教版英语八年级上册

**基本信息** 初中英语新授课同步练，分层覆盖基础到综合应用，沿词汇-句型-语篇路径巩固数字生活主题语言能力，适配核心素养中语言能力与思维品质培养。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇/基础句型|翻译题直接考查单元核心句型（如“保护个人信息”），词汇运用题聚焦词性转换（如harm→harmful）| |巩固层|词汇运用/语法应用|单项选择强化高频动词搭配（如depend on），首字母填空通过上下文考查词汇逻辑（如“daily lives”“convenient”）| |提升层|语篇理解/综合表达|书面表达整合数字设备使用、功能及影响，要求100词左右语篇输出，体现信息整合与价值判断|

Unit 3 Our digital lives Section 4 Extending and developing competencies 练习作业 一、翻译 1. 数字技术已经极大地改变了我们的日常生活。 ____________________________________________________________________________________________ 2. 我们应该学会在网上保护个人信息。 ____________________________________________________________________________________________ 3. 太多的屏幕时间对我们的眼睛有害。 ____________________________________________________________________________________________ 4. 你可以用这个应用程序在线支付账单。 ____________________________________________________________________________________________ 5. 智能手机让我们与朋友保持联系变得更容易。 ____________________________________________________________________________________________ 6. 我们必须明智地使用互联网，避免陷入麻烦。 ____________________________________________________________________________________________ 二、词汇运用 1. -Let's _______(保护) our personal information when using social media. -Sure, it's important to stay safe online. 2. Digital technology has made our life more _______(方便的) than before. 3. Spending too much time on _______(屏幕) can cause eye problems. 4. We should use the Internet _______(明智地) to get useful information. 5. More and more people _______(依赖) on smartphones for daily tasks now. 6. It's necessary to learn how to _______(避免) online scams. 7. The _______(流行) of online shopping has grown quickly in recent years. 8. My father _______(开发) a small app to help him manage his work last year. 9. This new device can keep your data _______(安全的) from hackers. 10. We can _______(连接) our phone to the computer to transfer files. 11. Reading e-books is _______(harm) to our eyes if we do it for hours without a break. 12. The _______(private) of users should be the top concern for every website. 13. She _______(pay) for her clothes online with her mobile phone yesterday. 14. With the help of digital tools, we can finish our work _______(quick) than before. 15. Many students now _______(use) online courses to improve their study. 三、单项选择 ( )1. With the development of digital technology, people _______ more on mobile devices for communication. A. depend B. decide C. divide D. develop ( )2. It's important to _______ our personal information when surfing the Internet. A. share B. protect C. send D. receive ( )3. Online shopping is so _______ that you can buy almost anything at home. A. awful B. difficult C. convenient D. dangerous ( )4. Too much screen time _______ our health, so we should take breaks often. A. is good for B. is harmful to C. is interested in D. is famous for ( )5. You can _______ your phone to the Wi-Fi network to get online. A. connect B. divide C. turn D. take 四、首字母填空 Smartphones have become an important part of our d 1 _______ lives. Almost everyone has one now. They are very c 2 _______because we can do many things with them, like sending messages, taking photos and s 3 _______ online. However, there are also some p 4 _______ . For example, spending too much time on them can be h 5 _______ to our eyes and health. Also, we need to be careful with our personal i 6 _______ when using apps. Some bad people may try to steal it. To use smartphones s 7 _______ , we should set a time limit for screen time and learn to p 8 _______ our privacy. Many schools also teach students about online safety. They tell us not to talk to s 9 _______ online and not to click on unknown links. By following these rules, we can enjoy the benefits of digital life a 10 _______keeping ourselves safe. 1.________ 2.________ 3.________ 4.________ 5._________ 6.________ 7.________ 8.________ 9.________ 10._________ 五、书面表达 假设你们学校英文报正在举办以“数字生活”为主题的征文活动，请根据以下问题，以 "My digital life" 为题，写一篇英语短文投稿。 1. What digital devices do you use in your daily life? 2. What do you usually do with these devices? 3. How do you think digital life influences you? 要求：1.短文需包含所有问题要点，并适当发挥; 2.词数 100 左右。 My digital life ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ 参考答案 一、翻译 1. Digital technology has greatly changed our daily life. 2. We should learn to protect our personal information online. 3. Too much screen time is harmful to our eyes. 4. You can use this app to pay bills online. 5. Smartphones make it easier for us to keep in touch with friends. 6. We must use the Internet wisely and avoid getting into trouble. 二、词汇运用 1. protect 2. convenient 3. screens 4. wisely 5. depend 6. avoid 7. popularity 8. developed 9. safe 10. connect 11. harmful 12. privacy 13. paid 14. more quickly 15. use 三、单项选择 1. A 2. B 3. C 4. B 5. A 四、首字母填空 1. daily 2. convenient 3. shopping 4. problems 5. harmful 6. information 7. safely 8. protect 9. strangers 10. while 五、书面表达 My digital life I use a smartphone and a laptop in my daily life. With my smartphone, I chat with friends, take photos and check the latest news every day. I also use it to listen to music when I feel tired. My laptop helps me finish schoolwork, search for study materials and join online classes. Digital life makes my life easier and more colorful. It helps me stay connected with people and learn new things quickly. But I also know I need to control screen time to keep healthy. All in all, digital life is a useful tool if we use it properly. 学科网（北京）股份有限公司 $