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沪教版八年级上册英语 Unit 3 Our digital lives Section 4 Extending and developing competencies同步练习
一、词形转换
1. device ________(复数)
2. safe ________(n. 安全；安全性)
3. harmful ________(n. 伤害；损害)
4. depend ________(adj. 依赖的；依靠的)
5. create ________(n. 创造力；创作)
6. wise ________(adv. 明智地)
7. warn ________(n. 警告；警示)
8. develop ________(n. 发展；开发)
9. private ________(n. 隐私；私密)
10. connect ________(n. 连接；联系)
二、用所给词的适当形式填空
1. The ________(device) in our homes make our lives more convenient.
2. We should pay attention to the ________(safe) of our personal information online.
3. Too much screen time will do ________(harm) to our eyes.
4. Teenagers are becoming more ________(depend) on digital products.
5. His ________(create) ideas helped design a new educational app.
6. We need to use digital tools ________(wise) to avoid distractions.
7. The teacher gave us a ________(warn) about the risks of sharing photos online.
8. The rapid ________(develop) of digital technology changes our daily lives.
9. Protecting our ________(private) is important in the digital world.
10. The ________(connect) between people becomes easier with social media.
三、重点短语
1. 数字安全 ________________
2. 个人隐私 ________________
3. 依赖电子产品 ________________
4. 明智使用网络 ________________
5. 发出警告 ________________
6. 数字技术发展 ________________
7. 与…保持联系 ________________
8. 对…有害 ________________
9. 创造数字产品 ________________
10. 在线购物 ________________
四、用所给短语的适当形式填空
digital safety, personal privacy, depend on electronic products, use the Internet wisely, give a warning, the development of digital technology, keep in touch with, do harm to, create digital products, online shopping
1. ________ is one of the most important things we need to learn in the digital age.
2. We should not ________ too much, or we will lose the ability to think independently.
3. It's necessary for parents to ________ to their children about online risks.
4. ________ has made our shopping experience much more convenient.
5. Spending too much time on screens will ________ our physical and mental health.
6. With the help of smartphones, we can ________ our friends easily anywhere.
7. ________ helps us understand how digital tools change our lives.
8. As a student, you need to ________ to improve your study efficiency.
9. Many companies ________ to meet people's daily needs.
10. We must learn to protect our ________ when using social media.
五、按要求完成句子
depend, harm, wise, warn, develop, private
1. Too much screen time ________ to our eyes and brain.
2. Teenagers shouldn’t ________ too much on digital devices.
3. We need to make ________ choices when using online services.
4. The teacher ________ us not to share our personal information with strangers.
5. The rapid ________ of 5G technology brings more convenience to our lives.
6. It's important to keep our ________ information away from hackers.
六、句型转换
1. Using digital tools too much is bad for our health.（改为同义句）
Using digital tools too much ________ ________ ________ our health.
2. My father started to use WeChat in 2016.（用since 2016改写句子）
My father ________ ________ WeChat since 2016.
3. We can improve our study by using educational app .（对划线部分提问）
________ ________ we improve our study
4. People created many useful digital products last year.（改为被动语态）
Many useful digital products ________ ________ last year.
5. Have you ever shopped online （作否定回答）
________, ________ ________.
七、改错（每句一处错误，划出并改正）
1. It's important to learn how use digital tools correctly.
____________________________________________________________________
Spending too much time online do harm to our sleep.
____________________________________________________________________
We should protect our personal privacies when surfing the Internet.
____________________________________________________________________
The teacher warn us about the danger of online scams yesterday.
____________________________________________________________________
Besides play games, we can also use the Internet to learn new skills.
____________________________________________________________________
八、重点句子翻译
1. 数字技术的发展极大地改变了我们的生活方式。
____________________________________________________________________
我们应该明智地使用网络，避免沉迷于游戏。
____________________________________________________________________
保护个人隐私在数字时代是非常重要的。
____________________________________________________________________
长时间使用电子设备会对我们的视力造成伤害。
____________________________________________________________________
老师警告我们不要在网上分享私人信息。
____________________________________________________________________
我们可以通过社交媒体与远方的朋友保持联系。
____________________________________________________________________
九、语篇填空 阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。
device, safe, harm, depend, wise, warn, develop, private, online, create, keep, risk, convenient, improve
Nowadays, digital 1. ________ has made our lives more 2. ________. We use various 3. ________ like smartphones and computers every day. However, there are also some 4. ________. For example, spending too much time 5. ________ can 6. ________ our health. Many teenagers become 7. ________ on digital products and lose interest in outdoor activities.
It's important for us to use digital tools 8. ________. We should pay attention to 9. ________ and protect our 10. ________ information. Our teachers often 11. ________ us not to share personal details with strangers online.
Moreover, digital technology helps us 12. ________ in touch with friends far away. It also gives us chances to 13. ________ new things and 14. ________ our skills. If we can balance our digital lives well, we can enjoy the benefits and avoid the 15. ________.
十、补全对话
根据下面的对话情景，在每个空白处填上一个恰当的句子，使对话的意思连贯、完整。
A: Hi, Tom! How do you usually spend your free time
B: I often play online games and chat with friends on WeChat. 1. ________________________
A: I prefer reading e-books and learning online courses. But my parents always worry about my online safety.
B: That's true. 2. ________________________
A: They warn me not to share my personal information with strangers. 3. ________________________
B: I think we should use the Internet wisely. For example, we can limit our screen time every day.
A: Sounds good. 4. ________________________
B: I usually spend about one hour on digital devices after finishing homework.
A: That's a good habit. 5. ________________________.
B: You're right. Let's make a plan to balance our digital lives.
参考答案
一、词形转换
1. devices 2. safety 3. harm 4. dependent 5. creativity
6. wisely 7. warning 8. development 9. privacy 10. connection
二、用所给词的适当形式填空
1. devices 2. safety 3. harm 4. dependent 5. creative
6. wisely 7. warning 8. development 9. privacy 10. connection
三、重点短语
1. digital safety 2. personal privacy 3. depend on electronic products
4. use the Internet wisely 5. give a warning 6. the development of digital technology
7. keep in touch with 8. do harm to 9. create digital products 10. online shopping
四、用所给短语的适当形式填空
1. Digital safety 2. depend on electronic products 3. give a warning 4. Online shopping
5. do harm to 6. keep in touch with 7. The development of digital technology
8. use the Internet wisely 9. create digital products 10. personal privacy
五、按要求完成句子
1. does harm 2. depend 3. wise 4. warns/warned 5. development 6. private
六、句型转换
1. does harm to 2. has used 3. How can 4. were created 5. No; I haven’t
七、改错
1. how use → how to use（疑问词+不定式结构）
2. do → does（动名词短语作主语，谓语动词用单数）
3. privacies → privacy（privacy为不可数名词）
4. warn → warned（时间状语yesterday，用一般过去时）
5. play → playing（besides为介词，后接动名词）
八、重点句子翻译
1. The development of digital technology has greatly changed our way of life.
2. We should use the Internet wisely and avoid being addicted to games.
3. Protecting personal privacy is very important in the digital age.
4. Using electronic devices for a long time will do harm to our eyesight.
5. The teacher warned us not to share private information online.
6. We can keep in touch with friends far away through social media.
九、语篇填空
1. development 2. convenient 3. devices 4. harms 5. online
6. harm 7. dependent 8. wisely 9. safety 10. private
11. warn 12. keep 13. create 14. improve 15. risks
十、补全对话（参考合理答案）
1. What about you
2. What do they warn you about
3. What do you think we should do to stay safe online
4. How long do you spend on digital devices every day
5. We should balance our digital life and real life

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