暑假自学课第11讲 第11讲 Unit 4 Digital life — 词汇句式（讲义）-2026-2027学年外研版英语八年级上册

新初二暑假自学课 外研2024版 · 暑假衔接专用 ┌─────────────────────────────┐ 第11讲 Unit 4 Digital life — 词汇句式 └─────────────────────────────┘ ⊙ 适用年级：新八年级（七升八） ⊙ 教材版本：外研2024版 ⊙ 内容说明：学习Unit 4关于数字生活、科技产品和现代生活的核心词汇，学会讨论科技的利弊 Part 1 温故知新 —— 科技与生活基础词汇回顾 一、日常电子产品 英语 中文 phone / mobile phone 手机 computer 电脑 TV / television 电视 camera 相机 earphones 耳机 tablet 平板电脑 二、数字世界基础词汇 英语 中文 internet 互联网 website 网站 email 电子邮件 online 在线的 social media 社交媒体 三、词汇热身 1. I use my ______ (智能手机) every day. 2. We can ______ (下载) apps from the internet. 3. Do you have any ______ (现金) with you? 4. Online ______ (支付) is very convenient. 5. What's your favourite ______ (应用程序)? Part 2 习新知法 —— Unit 4 核心词汇精讲 Unit 4的主题是“Digital life”（数字生活），讨论科技给生活带来的变化。我们将学习如何用英语讨论科技的利与弊。 一、数字生活核心名词 Key Nouns 1. digital /ˈdɪdʒɪtl/ adj. 数字的；数码的 搭配：digital life 数字生活 / digital camera 数码相机 搭配：digital payment 数字支付 例句：Digital technology has changed our lives. 练习：数字生活既方便又有趣。 ______ life is both convenient and interesting. 2. system /ˈsɪstəm/ n. 系统 搭配：education system 教育系统 / payment system 支付系统 例句：We need to update our computer system. 练习：这个新系统运行得很好。 The new ______ works very well. 3. device /dɪˈvaɪs/ n. 设备；仪器 例句：Smartphones are useful devices. 搭配：electronic device 电子设备 例句：Don't use electronic devices during class. 练习：这个设备可以帮你学英语。 This ______ can help you learn English. 4. advantage /ədˈvɑːntɪdʒ/ n. 优点；好处 搭配：have the advantage of... 有……的优势 反义：disadvantage n. 缺点 例句：Online learning has many advantages. 例句：Every coin has two sides — advantages and disadvantages. 练习：骑自行车的好处之一是不产生污染。 One ______ of cycling is that it doesn't cause pollution. 5. development /dɪˈveləpmənt/ n. 发展；进步 动词：develop v. 发展 搭配：the development of technology 技术的发展 例句：The development of AI is very fast. 练习：中国的科技发展非常迅速。 The ______ of technology in China is very fast. 6. effect /ɪˈfekt/ n. 效应；影响 搭配：have an effect on... 对……有影响 例句：Smartphones have a great effect on our lives. 例句：The new law had a positive effect on the environment. 练习：社交媒体对青少年有很大的影响。 Social media has a great ______ ______ young people. 二、数字生活高频动词 Key Verbs 1. save /seɪv/ v. 节省；节约；拯救 搭配：save time / money / energy 节省时间/金钱/精力 搭配：save one's life 救某人的命 例句：Online shopping saves a lot of time. 练习：使用手机支付可以节省很多时间。 Using mobile payment can ______ a lot of ______. 2. throw /θrəʊ/ v. 投；扔 变化：throw → threw → thrown 搭配：throw away 扔掉 例句：Don't throw away the old books. You can give them to others. 练习：不要把垃圾扔在地上。 Don't ______ rubbish ______ the ground. 3. guess /ɡes/ v. 猜；猜测 例句：Guess what? I got an A in maths! 例句：Can you guess the answer? 搭配：I guess (that)... “我猜……” 练习：猜猜我今天遇见了谁。 ______ who I met today! 4. glue /ɡluː/ v. 胶合；粘贴；n. 胶水 短语：be glued to sth “盯着某物看；粘在……上” 例句：Many teenagers are glued to their phones. 例句：She was glued to the TV all evening. 练习：不要整天盯着手机看。 Don't ______ ______ ______ your phone all day. 三、重要形容词与副词 Adjectives & Adverbs 1. convenient /kənˈviːniənt/ adj. 方便的；便利的 例句：Online shopping is convenient. 名词：convenience n. 方便 反义：inconvenient 不方便的 例句：It's convenient to pay by smartphone. 练习：数字支付非常方便。 Digital payment is very ______. 2. strange /streɪndʒ/ adj. 奇怪的；陌生的 例句：I heard a strange sound last night. 副词：strangely 奇怪地 例句：It's strange that he didn't come to school today. 练习：不要和陌生人说话。 Don't talk to ______ people. 3. bored /bɔːd/ adj. 感到厌烦的 搭配：be / get bored with 对……感到厌倦 例句：I'm bored with playing the same game. 对比：boring 令人厌烦的（物）→ bored 感到厌烦的（人） 例句：This movie is boring and I feel bored. 练习：如果感到无聊，可以读读书。 If you feel ______, you can read a book. 4. online /ˌɒnˈlaɪn/ adj./adv. 在线的；联网的 搭配：shop online / go online / study online 反义：offline 不在线的 例句：Many people shop online nowadays. 练习：你可以在线学习新技能。 You can learn new skills ______. 5. wisely /ˈwaɪzli/ adv. 明智地 形容词：wise 明智的 | 名词：wisdom 智慧 例句：We should use our time wisely. 例句：Spend your money wisely. 练习：我们应该明智地使用科技。 We should use technology ______. 6. nowadays /ˈnaʊədeɪz/ adv. 现今；现在 例句：Nowadays, everyone has a smartphone. 近义：these days, today, at present 例句：Nowadays, people pay more attention to health. 练习：如今，很多年轻人喜欢网上购物。 ______, many young people like online shopping. 四、核心短语 Core Phrases ● be glued to 盯着……看；粘在……上 例句：Many kids are glued to their screens all day. 练习：他一直盯着电视看。 He is always ______ ______ the TV. ● have an effect on 对……有影响 例句：Technology has a great effect on our daily life. 练习：这个新政策对环境有积极的影响。 The new policy has a positive ______ ______ the environment. ● pay attention to 关注；注意 例句：You should pay more attention to your health. 练习：请听老师讲课。 Please ______ ______ ______ the teacher. ● throw away 扔掉；抛弃 例句：Don't throw away the plastic bottles. We can recycle them. 练习：别把你的旧书扔掉。 Don't ______ ______ your old books. ● after all 毕竟 例句：Don't be too strict with him. He is a child after all. 练习：毕竟，科技是为了让生活更美好。 ______ ______, technology is meant to make life better. ● step by step 一步一步地 例句：You can improve your English step by step. 练习：只要我们一步一步来，就一定能成功。 As long as we go ______ ______ ______, we will succeed. ● stay in touch with 与……保持联系 例句：We stay in touch with each other through social media. 练习：即使毕业后我们也要保持联系。 We should ______ ______ ______ with each other even after graduation. ● look forward to 期待（+名词/doing） 例句：I'm looking forward to hearing from you. 练习：我们期待着暑假。 We are ______ ______ ______ the summer holiday. Part 3 基础巩固 —— Unit 4 词汇练习（不附答案） 一、根据中文提示写出单词 1. Online ______ (支付) is very convenient. 2. The new ______ (系统) works very well. 3. This ______ (设备) can help you learn English. 4. Every coin has two sides: ______ (优点) and disadvantages. 5. AI ______ (发展) is very fast. 6. ______ (数字的) technology has changed our lives. 7. Online shopping is very ______ (方便的). 8. Many children are ______ (粘着) to their screens. 9. We should use our time ______ (明智地). 10. ______ (如今), everyone has a smartphone. 二、单项选择 1. Technology has a great effect ______ our daily life. A. in B. on C. to D. for 2. We should ______ attention to our health. A. take B. give C. pay D. make 3. Don't ______ away the old books. You can give them to others. A. throw B. put C. take D. get 4. I'm looking forward ______ you again. A. seeing B. to seeing C. to see D. see 5. This movie is ______. I feel ______. A. bored; boring B. boring; bored C. boring; boring D. bored; bored 6. She is always ______ to her phone. A. glue B. glues C. glued D. gluing 7. We should use technology ______. A. wise B. wisdom C. wisely D. more wise 8. ______, many people shop online instead of going to stores. A. Now B. Nowadays C. Today D. Daily 三、用方框中所给短语的适当形式填空 be glued to / have an effect on / pay attention to / throw away / look forward to / after all 1. Don't ______ the plastic bottles. We can recycle them. 2. Many teenagers ______ their phones for hours. 3. We should ______ what the teacher says in class. 4. The new law will ______ the environment. 5. I'm ______ hearing from you. 6. Don't be too hard on yourself. You are a beginner ______. Part 4 提高挑战 —— 词汇综合运用（不附答案） 一、完形填空——用所给词的适当形式填空 Digital technology ______ (change) our lives greatly. Smartphones ______ (use) by everyone nowadays. They are very ______ (convenience). We can ______ (pay) with our phones, shop online, and stay in ______ (touch) with friends. However, everything has two sides. One ______ (advantage) is that many children spend too much time on screens. Parents should ______ (wise) guide their children to use technology ______ (proper). ______ (after all), technology is a tool, not a master. 二、翻译句子——运用本讲核心词汇 1. 数字支付非常方便。 ______ payment is very ______. 2. 我们应该明智地使用科技。 We should use technology ______. 3. 很多孩子整天盯着手机看。 Many children are ______ ______ their phones all day. 4. 社交媒体对青少年有巨大的影响。 Social media ______ a great ______ ______ teenagers. 5. 毕竟，科技是为了让生活更美好。 ______ ______, technology is meant to make life better. 三、写作——The Advantages and Disadvantages of Digital Life 请用以下词汇和句型，写一段话讨论数字生活的利与弊： advantage / disadvantage / convenient / save time / effect on / wisely ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Part 5 本讲总结 Unit 4 核心词汇清单 科技类：digital / smartphone / device / system / app / code / function 支付类：payment / wallet / cash / save / convenient / online 评价类：advantage / disadvantage / effect / development / progress 核心短语：be glued to / have an effect on / pay attention to / throw away / after all 参考答案 Part 1 温故知新 — 热身练习 1. smartphone 2. download 3. cash 4. payment 5. app Part 2 习新知法 — 当堂练习 1. Digital 2. system 3. device 4. advantage 5. development 6. effect on 7. save; time 8. throw; on 9. Guess 10. be glued to 11. convenient 12. strange 13. bored 14. online 15. wisely 16. Nowadays Part 3 基础巩固 一、根据中文写单词 1. payment 2. system 3. device 4. advantages 5. development 6. Digital 7. convenient 8. glued 9. wisely 10. Nowadays 二、单项选择 1. B 2. C 3. A 4. B 5. B 6. C 7. C 8. B 三、短语填空 1. throw away 2. are glued to 3. pay attention to 4. have an effect on 5. looking forward to 6. after all Part 4 提高挑战 一、完形填空 1. has changed 2. are used 3. convenient 4. pay 5. touch 6. disadvantage 7. wisely 8. properly 9. After all 二、句子翻译 1. Digital; convenient 2. wisely 3. glued to 4. has; effect on 5. After all 学科网（北京）股份有限公司 $