预习10 Unit 3 Our digital lives重点语法讲解与练习 【暑假预习】2026-2027学年沪教版八年级英语上册（广州卷）

**基本信息** 沪教版八年级英语上册暑假预习卷，聚焦Unit 3核心语法（一般现在时被动语态、情态动词被动等），通过选择、填空等题型结合数字生活情境（如online lessons、digital library），巩固语法规则，提升语言应用能力与自主学习策略。 **题型特征** |题型|题量/分值|知识覆盖|命题特色| |----|-----------|----------|----------| |单项选择|20题|被动语态结构、情态动词被动|以“photos shared online”实例考查基础语法，强化主谓一致| |适当形式填空|20题|被动语态时态、情态动词搭配|如“apps downloaded by teenagers”，训练语法规则灵活运用| |句型转换|10题|主动改被动、宾语从句语序|通过“People use computers”转换，提升语法转换思维| |选词填空|10题|被动语态语境运用|围绕“digital devices use”情境，综合考查语法与词汇搭配|

【暑假预习】2026-2027学年沪教版八年级英语上册（广州卷） 预习10 Unit 3 Our digital lives重点语法讲解与练习 重点语法讲解 语法一：一般现在时被动语态 结构 肯定：am/is/are + 过去分词 否定：am/is/are + not + 过去分词 疑问：Am/Is/Are + 主语 + 过去分词? 用法：描述客观事实、常态，强调动作承受者。 例：Many games are played online. 语法二：情态动词的被动语态 结构：can/may/must/should + be + 过去分词 例：The computer must be turned off. 语法三：介词 in / on / at（网络、电子设备固定搭配） on the Internet 在网上；on the computer 在电脑上 at home 在家；in the chat group 在聊天群 语法四：疑问词引导宾语从句（陈述句语序） 疑问词 + 主语 + 谓语（不倒装） × Do you know where is the file? √ Do you know where the file is? 语法专练 一、单项选择题 1. Lots of photos ______ shared on the Internet every day. A. is B. are C. was D. were 2. This kind of app ______ widely ______ by students. A. is; used B. are; used C. is; use D. are; use 3. All emails ______ checked before you send them. A. should B. should be C. can D. must 4. The information ______ ______ on this website. A. can find B. can be found C. finds D. found 5. These videos ______ not ______ by children under 12. A. are; watch B. is; watched C. are; watched D. is; watch 6. A new digital library ______ opened in our school every year. A. is B. are C. was D. were 7. You ______ save your work, or you may lose it. A. should be B. should C. can be D. may be 8. Do you know ______ the new tablet comes from? A. where does B. where is C. where D. where are 9. Games ______ ______ for too long every day. A. shouldn’t play B. shouldn’t be played C. not play D. not be play 10. The keyboard ______ ______ to type words. A. uses B. used C. is used D. are used 11. Many online lessons ______ ______ on weekends. A. are offered B. offer C. is offered D. offers 12. ______ the file ______ stored in this folder? A. Is; keep B. Are; kept C. Is; kept D. Are; keep 13. People ______ ______ personal information online. A. mustn’t share B. mustn’t be shared C. can’t shared D. shouldn’t sharing 14. I don’t know ______ I can download the music. A. how can I B. how I can C. what can I D. what I can 15. Digital cameras ______ ______ to take beautiful pictures. A. use B. uses C. are used D. is used 16. This problem ______ ______ easily with the new software. A. can solve B. can be solved C. solves D. solved 17. ______ the messages ______ sent to all members? A. Is; be B. Are; be C. Are; been D. Are; sent 18. We are told that time ______ ______ on useless websites. A. shouldn’t waste B. shouldn’t be wasted C. not waste D. not wasted 19. Who knows ______ the new printer works? A. How B. how does C. what D. what is 20. Most news ______ ______ on these digital platforms. A. spread B. are spread C. is spread D. spreads 二、用所给词适当形式填空 1. Many useful apps ________ (download) by teenagers every day. 2. The mouse ________ (use) to control the computer. 3. All documents must ________ (save) before closing the window. 4. This video ________ (not watch) by little kids. 5. Lots of messages ________ (send) through WeChat daily. 6. The problem can ________ (solve) in five minutes. 7. I don’t know when the new website ________ (open). 8. Your password ________ (should protect) well. 9. These pictures ________ (store) in my digital camera. 10. Homework ________ (share) in the online group every evening. 11. This kind of software ________ (sell) all over the world. 12. Old photos can ________ (keep) in the cloud disk. 13. The games ________ (not allow) in class. 14. Do you know who ________ (invent) the first computer? 15. Dangerous information ________ (must stop) from spreading. 16. Every word ________ (type) carefully on the keyboard. 17. The sound can ________ (record) by this mobile phone. 18. News ________ (spread) quickly on the Internet. 19. These files ________ (move) into another folder every week. 20. Students ________ (tell) not to spend too much time online. 三、句型转换 1. People use computers to search for information.（改为被动语态） Computers ______ ______ to search for information. 2. We should turn off the screen after class.（被动语态） The screen ______ ______ ______ off after class. 3. They share many stories on the Internet.（否定句，被动） Many stories ______ ______ on the Internet. 4. You can find the article on this page.（改为一般疑问句，被动） ______ the article ______ ______ on this page? 5. Teachers ask students to use digital tools wisely.（被动） Students ______ ______ to use digital tools wisely. 6. Where can I buy this new tablet?（改为宾语从句） I don’t know ______ ______ ______ this new tablet. 7. People keep the videos in the cloud.（划线提问：in the cloud） ______ ______ the videos ______ by people? 8. We must lock our personal accounts.（被动语态） Our personal accounts ______ ______ ______. 9. Children cannot play this online game.（被动否定） This online game ______ ______ ______ by children. 10. How do you open the software?（宾语从句） Could you tell me ______ ______ ______ the software? 四、选词填空 use, store, share, protect, connect, be, watch, keep, find, send Now digital devices widely 1.______ in our daily life. Mobile phones 2.______ to 3.______ with friends. Photos and videos 4.______ in cloud space. Messages 5.______ easily online. But personal information must 6.______ well. Too many videos shouldn’t 7.______ for hours. Important files can 8.______ in folders. If you look carefully, lots of useful information can 9.______ on the Internet. We should learn how 10.______ digital lives safe. 参考答案 一、 1.B 2.A 3.B 4.B 5.C 6.A 7.B 8.C 9.B 10.C 11.A 12.C 13.A 14.B 15.C 16.B 17.D 18.B 19.A 20.C 二、 1. are downloaded 2. is used 3. be saved 4. isn’t watched 5. are sent 6. be solved 7. opens / will open 8. should be protected 9. are stored 10. is shared 11. is sold 12. be kept 13. are not allowed 14. invented 15. must be stopped 16. is typed 17. be recorded 18. is spread 19. are moved 20. are told 三、 1. are used 2. should be turned 3. aren’t shared 4. Can; be found 5. are asked 6. where I can buy 7. Where are; kept 8. must be locked 9. cannot be played 10. how you open 四、选词填空 1. are used 2. are used 3. connect 4. are stored 5. are sent 6. be protected 7. be watched 8. be kept 9. be found 10. to keep 学科网（北京）股份有限公司 $