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沪教版（新教材）初中英语八年级上册 Unit 3 Our digital lives Checking your progress (Project) 同步练习
一、词形转换
1. mouse ________(复数，鼠标)
2. safe ________(n.安全；安全性)
3. educate ________(n.教育；培养)
4. wise ________(adv.明智地；聪明地)
5. pollute ________(n.污染；污染物)
6. harm ________(adj.有害的)
7. introduce ________(n.介绍；引言)
8. choose ________(n.选择；抉择)
9. thief ________(复数)
10. keyboard ________(复数)
二、用所给词的适当形式填空
1. There are several ________(mouse) in the computer lab for students to use.
2. We should pay more attention to online ________(safe) when using social media.
3. Digital ________(educate) helps students learn better in the information age.
4. You need to think ________(wise) before making any online decision.
5. Too much screen time causes visual ________(pollute) and harms our eyes.
6. Some online information is ________(harm) to teenagers' mental health.
7. The teacher gave a short ________(introduce) to the new learning app.
8. Making a right ________(choose) of digital tools can improve our study efficiency.
9. The police caught two ________(thief) who stole personal information online.
10. These ________(keyboard) are specially designed for people with hand problems.
三、重点短语
1. 数字生活 ________________
2. 网络安全 ________________
3. 明智地使用互联网 ________________
4. 遭受网络诈骗 ________________
5. 做出明智的选择 ________________
6. 介绍数字工具 ________________
7. 有害信息 ________________
8. 除此之外；而且 ________________
9. 电脑鼠标 ________________
10. 保护个人信息 ________________
四、用所给短语的适当形式填空
digital lives, online safety, use the Internet wisely, suffer from online fraud, make wise choices, introduce digital tools, harmful information, besides, computer mouse, protect personal information
1. Most teenagers are used to their colorful ________ in the modern world.
2. We should learn about ________ to avoid being cheated by fake online ads.
3. It's important for us to ________ when searching for study materials.
4. Some elderly people ________ because they can't tell true websites from fake ones.
5. When using digital products, we need to ________ to keep our bank accounts safe.
6. The teacher will ________ to help us organize our study plans.
7. Parents should remind kids to stay away from ________ on social media.
8. ________ spending time on online games, we can also use the Internet to learn new skills.
9. Please pass me that ________; mine is not working properly.
10. To live safely online, we must ________ and never share passwords with strangers.
五、按要求完成句子
wise, safe, suffer, choose, introduce, harm
1. Many people ________ from online scams and lose money every year.
2. We must keep our personal information ________ when using online shopping platforms.
3. You should make a ________ decision before downloading any unknown software.
4. It's necessary ________ proper digital tools for our English learning.
5. He ________ a new online course to his classmates yesterday.
6. Too much screen time is ________ to our eyes and sleep quality.
六、句型转换
1. Using digital tools too much does great harm to our health.（改为同义句）
Using digital tools too much ________ ________ to our health.
2. She started to use online learning platforms in 2021.（用 since 2021 改写句子）
She ________ ________ online learning platforms since 2021.
3. We can protect our online safety by not sharing personal information.（对划线部分提问）
________ ________ we protect our online safety
4. People develop many apps to help students with their homework.（改为被动语态）
Many apps ________ ________ to help students with their homework.
5. Have you ever received harmful information online （作否定回答）
________, ________ ________.
七、改错（每句一处错误，划出并改正）
1. There are many mouse in the school computer room.
____________________________________________________________________
It's important to keep us personal information safe online.
____________________________________________________________________
He choose a popular learning app to help with his math last week.
____________________________________________________________________
Some students suffer of eye problems because of too much screen time.
____________________________________________________________________
Besides play online games, we can also use the Internet to read e-books.
____________________________________________________________________
八、重点句子翻译
1. 数字生活给我们的学习和日常生活带来了很多便利。
____________________________________________________________________
我们必须学会明智地使用互联网，避免浏览有害信息。
____________________________________________________________________
很多人遭受网络诈骗，因为他们缺乏网络安全知识。
____________________________________________________________________
除此之外，长时间使用电子设备对我们的视力有害。
____________________________________________________________________
老师向我们介绍了一些有助于提高学习效率的数字工具。
____________________________________________________________________
我们应该做出明智的选择，平衡线上活动和线下生活。
____________________________________________________________________
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。
digital, safe, educate, wisely, harm, introduce, choice, thief, besides, protect, suffer, warn, ever
Nowadays, our ________(1) lives are closely linked with various digital products. The ________(2) of convenient apps has changed the way we study and communicate. However, we can't ignore the ________(3) effects of overusing these tools. For example, too much screen time is ________(4) to our eyes, and some people ________(5) from online fraud every year.
To enjoy digital life properly, we need to be ________(6) users. First, we should receive proper ________(7) about online safety to keep our personal information ________(8). Second, we should make smart ________(9) when choosing online content, and stay away from harmful messages. ________(10), we should balance screen time with outdoor activities.
Last year, my grandma almost fell into a trap set by online ________(11). Luckily, she got a ________(12) from the police in time. Since then, she has learned to use her computer ________(13) and never shares her passwords with others. She said she had ________(14) thought digital life could have hidden dangers, but now she knows how to ________(15) herself well in the digital world.
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: Do you know much about online safety
B: Online safety 1. ________________________
A: It's about protecting our personal information and avoiding various online risks.
B: That's really important! 2. ________________________
A: We can set strong passwords and never share them with strangers for a start.
B: What other problems might we face in our digital lives
A: 3. ________________________. For example, too much screen time will harm our eyesight.
B: Oh right! I often feel tired after using my phone for hours. 4. ________________________
A: We can balance screen time with outdoor activities and do eye exercises every hour.
B: 5. ________________________. I'll follow these tips to live a healthy digital life.
参考答案
一、词形转换
1. mice 2. safety 3. education 4. wisely 5. pollution
6. harmful 7. introduction 8. choice 9. thieves 10. keyboards
二、用所给词的适当形式填空
1. mice 2. safety 3. education 4. wisely 5. pollution
6. harmful 7. introduction 8. choice 9. thieves 10. keyboards
三、重点短语
1. digital lives 2. online safety 3. use the Internet wisely 4. suffer from online fraud
5. make wise choices 6. introduce digital tools 7. harmful information 8. besides
9. computer mouse 10. protect personal information
四、用所给短语的适当形式填空
1. digital lives 2. online safety 3. use the Internet wisely 4. suffer from online fraud
5. make wise choices 6. introduce digital tools 7. harmful information 8. Besides
9. computer mouse 10. protect personal information
五、按要求完成句子
1. suffer 2. safe 3. wise 4. to choose 5. introduced 6. harmful
六、句型转换
1. is harmful 2. has used 3. How can 4. are developed 5. No; I haven't
七、改错
1. mouse → mice（mouse的复数形式为mice）
2. us → our（用形容词性物主代词修饰名词短语）
3. choose → chose（时间状语last week提示用一般过去时）
4. of → from（固定搭配suffer from）
5. play → playing（besides是介词，后接动名词）
八、重点句子翻译
1. Digital lives have brought much convenience to our study and daily life.
2. We must learn to use the Internet wisely and avoid browsing harmful information.
3. Many people suffer from online fraud because they lack knowledge of online safety.
4. Besides, using electronic devices for a long time is harmful to our eyesight.
5. The teacher introduced some digital tools that help improve our study efficiency to us.
6. We should make wise choices to balance online activities and offline life.
九、语篇填空
1. digital 2. introduction 3. harmful 4. harmful 5. suffer
6. wise 7. education 8. safe 9. choices 10. Besides
11. thieves 12. warning 13. wisely 14. never 15. protect
十、补全对话（参考合理答案）
1. What does it mean
2. What can we do to keep safe online
3. Overusing electronic devices is also a big problem
4. What should I do to protect my eyes
5. Sounds great/Good advice

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