Unit 3 Our digital lives Section 3 Expressing and communicating ideas同步练习2026-2027学年沪教版八年级英语上册

**基本信息** 初中英语沪教版八年级上册Unit 3 Section 3同步练，聚焦新授课语言知识巩固，以“基础夯实-语境应用-综合拓展”分层设计，助力语言能力与思维品质协同发展。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|词形转换、重点短语|单一知识点直接考查，如词汇变形（communicate→communication）、短语中英互译，夯实语言能力基础| |应用层|词/短语填空、句型转换|语境中运用知识，如用所给词适当形式填空（depend→dependent）、主动变被动，提升分析应用思维| |综合层|语篇填空、补全对话|语篇层面整合知识，如15空语篇填空综合词汇语法，补全对话模拟真实交际，培养综合语言运用与跨文化沟通能力|

沪教版（新教材）初中英语八年级上册 Unit 3 Our digital lives Section 3 Expressing and communicating ideas 同步练习 一、词形转换 1. screen ________(复数) 2. communicate ________(n.交流；沟通) 3. create ________(n.创造；创意) 4. correct ________(adv.正确地) 5. depend ________(adj.依赖的；依靠的) 6. balance ________(n.平衡；均衡) 7. harm ________(adj.有害的) 8. advantage ________(n.劣势；缺点) 9. online ________(adj.离线的；线下的) 10. develop ________(n.发展；开发) 二、用所给词的适当形式填空 1. The ________(screen) of our phones are getting bigger and bigger now. 2. Good ________(communicate) can help us solve problems online quickly. 3. The boy showed great ________(create) when he made a digital story. 4. You should use digital devices ________(correct) to protect your eyes. 5. Teenagers shouldn’t be too ________(depend) on mobile phones. 6. Keeping a ________(balance) between study and digital activities is important. 7. Spending too much time on games is ________(harm) to our health. 8. We should think about both the ________(advantage) and disadvantages of digital tools. 9. Sometimes ________(online) activities like reading books are more relaxing. 10. The rapid ________(develop) of digital technology changes our lives a lot. 三、重点短语 1. 集中注意力 ________________ 2. 与……交流 ________________ 3. 保持平衡 ________________ 4. 依赖；依靠 ________________ 5. 在线学习 ________________ 6. 数字设备 ________________ 7. 利与弊 ________________ 8. 创造数字作品 ________________ 9. 离线活动 ________________ 10. 正确使用科技 ________________ 四、用所给短语的适当形式填空 concentrate on, communicate with, keep a balance, depend on, study online, digital devices, advantages and disadvantages, create digital works, offline activities, use technology correctly 1. It’s hard to _______________ your homework when your phone is beside you. 2. We can _______________ our friends far away easily through WeChat. 3. As students, we need to _______________ between our study and hobbies. 4. Don’t _______________ your parents too much; learn to solve problems by yourself. 5. During the pandemic, many students had to _______________ at home. 6. There are more and more _______________ in our daily lives, like tablets and smart watches. 7. Before using a new app, we should think about its _______________. 8. The teacher encouraged us to _______________ to show our ideas. 9. We should take part in more _______________ to get close to nature. 10. To protect our eyes, we must _______________. 五、按要求完成句子 concentrate, communicate, balance, depend, create, harm 1. It’s necessary for students to _______________ in class instead of looking at phones. 2. We can _______________ with people from different countries via the Internet. 3. You should _______________ your time between study and digital games. 4. Don’t _______________ too much on digital devices for information. 5. The little girl can _______________ interesting digital paintings with a tablet. 6. Spending hours on screens every day is _______________ to your eyesight. 六、句型转换 1. Using digital devices too much is bad for our health.（改为同义句） Using digital devices too much _______________ our health. 2. I started to use a smart phone when I was 10.（用since I was 10改写） I _______________ a smart phone since I was 10. 3. We can improve our English by taking online courses.（对划线部分提问） _______________ we improve our English? 4. People use digital tools to communicate with each other.（改为被动语态） Digital tools _______________ to communicate with each other by people. 5. Have you ever created a digital story?（作否定回答） _____________, _____________. 七、改错（每句一处错误，划出并改正） 1. It’s important to keep balance between study and play. ____________________________________________________________________ 2. He spends too much time play online games every day. ____________________________________________________________________ 3. We should learn communicate with others politely online. ____________________________________________________________________ 4. Many students depend in their phones for almost everything. ____________________________________________________________________ 5. Besides use digital tools, we also need to do more sports. ____________________________________________________________________ 八、重点句子翻译 1. 长时间看屏幕会伤害你的眼睛，还会影响你的注意力。 ____________________________________________________________________ 2. 我们应该学会在学习和数字娱乐之间保持平衡。 ____________________________________________________________________ 3. 通过互联网，我们可以轻松地与世界各地的人交流。 ____________________________________________________________________ 4. 过度依赖数字设备会让我们失去独立思考的能力。 ____________________________________________________________________ 5. 我们可以创造数字作品来展示我们的创意和想法。 ____________________________________________________________________ 6. 在使用科技产品时，我们必须正确使用它们以避免负面影响。 ____________________________________________________________________ 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。 screen, communicate, creation, correctly, dependent, balance, harmful, advantage, online, development, concentrate, digital, solve, relax, important Nowadays, ________(1) technology is developing fast. The rapid ________(2) of it has changed our daily lives greatly. We use various ________(3) devices such as smart phones and tablets. These tools bring many ________(4): we can ________(5) with people around the world easily, make amazing ________(6), and study ________(7) at any time. However, every coin has two sides. Staring at a ________(8) for too long is ________(9) to our eyes and health. It also makes it difficult for us to ________(10) on our tasks. Some students become too ________(11) on digital devices and even can’t ________(12) simple problems by themselves. Therefore, it’s ________(13) to keep a good ________(14) between digital activities and real life. We should use these technologies ________(15) and spend more time doing offline activities to relax ourselves. 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! Do you often use your smart phone? B: Yes, I do. 1. ________________________? A: I use it to study online and communicate with friends. But my mom says using it too much is bad. B: 2. ________________________. Spending too much time on games or social media is really harmful. A: 3. ________________________? B: I think we should keep a balance. We can use it for study, but also do more sports or read books offline. A: That sounds good. 4. ________________________? B: Yes, I have created some digital paintings with my phone. They won a prize in our school competition. A: Wow, that’s amazing! 5. ________________________. B: Thank you! Let’s use our digital devices wisely together. 参考答案 一、词形转换 1. screens 2. communication 3. creation 4. correctly 5. dependent 6. balance 7. harmful 8. disadvantage 9. offline 10. development 二、用所给词的适当形式填空 1. screens 2. communication 3. creation 4. correctly 5. dependent 6. balance 7. harmful 8. advantages 9. offline 10. development 三、重点短语 1. concentrate on 2. communicate with 3. keep a balance 4. depend on 5. study online 6. digital devices 7. advantages and disadvantages 8. create digital works 9. offline activities 10. use technology correctly 四、用所给短语的适当形式填空 1. concentrate on 2. communicate with 3. keep a balance 4. depend on 5. study online 6. digital devices 7. advantages and disadvantages 8. create digital works 9. offline activities 10. use technology correctly 五、按要求完成句子 1. concentrate 2. communicate 3. balance 4. depend 5. create 6. harmful 六、句型转换 1. harms/is harmful to 2. have used 3. How can 4. are used 5. No; I haven’t 七、改错 1. keep balance → keep a balance（固定搭配keep a balance） 2. play → playing（spend time doing sth.） 3. learn communicate → learn to communicate（learn to do sth.） 4. depend in → depend on（固定搭配depend on） 5. Besides use → Besides using（besides为介词，后接动名词） 八、重点句子翻译 1. Staring at screens for a long time will harm your eyes and affect your concentration. 2. We should learn to keep a balance between study and digital entertainment. 3. We can communicate with people around the world easily through the Internet. 4. Over-dependence on digital devices will make us lose the ability to think independently. 5. We can create digital works to show our creativity and ideas. 6. When using technological products, we must use them correctly to avoid negative effects. 九、语篇填空 1. digital 2. development 3. digital 4. advantages 5. communicate 6. creations 7. online 8. screen 9. harmful 10. concentrate 11. dependent 12. solve 13. important 14. balance 15. correctly 十、补全对话（参考合理答案） 1. What do you use it for 2. She’s right 3. What should we do to avoid the bad effects 4. Have you ever created anything with your phone 5. You’re so creative 学科网（北京）股份有限公司 $