Unit3 The Internet 词汇精讲课件-2026-2027学年高中英语人教版必修第二册

该高中英语课件聚焦“互联网”主题词汇，系统梳理blog、search engine、privacy等核心词汇及短语，通过派生词关联、情境化例句和考点归纳，构建从基础词义到应用拓展的学习支架，帮助学生衔接前后知识。 其亮点在于以语言能力培养为核心，结合思维品质提升，通过“词汇-派生词-考点”逻辑链强化记忆，如“identity”关联“identity card”“identity theft”，情境例句贴近学生生活。采用讲练结合的学科方法，助力学生提升词汇应用能力，也为教师提供系统备课资源，提高教学效率。

Unit 3 The Internet 词汇精讲 01 blog /blɒɡ/ n. 博客 派生词 • blogger n. 博主 • blog post 博文 例句 • She writes a blog about her daily life as a high school student. 考点 • write a blog 写博客 • blog about 关于……的博客 02 blog post /blɒɡ pəʊst/ n. 博文；博客帖子 派生词 • blogger n. 博主 • write a blog post 写博文 例句 • This blog post tells readers how to protect themselves online. 考点 • a blog post 一篇博文 • write/publish a blog post 03 blogger /ˈblɒɡə(r)/ n. 博客作者；博主 派生词 • blog n. 博客 • blogging n. 写博客 例句 • The blogger has millions of followers on her social media account. 考点 • a well-known blogger 知名博主 • a food blogger 美食博主 04 engine /ˈendʒɪn/ n. 发动机；引擎；搜索引擎 派生词 • engineer n. 工程师 • search engine 搜索引擎 例句 • A search engine helps us find information on the Internet quickly. 考点 • search engine 搜索引擎 • engine driver 火车司机 05 search engine /sɜːtʃ ˈendʒɪn/ n. 搜索引擎 派生词 • search v. 搜索 • search result 搜索结果 例句 • Baidu is the most popular search engine in China. 考点 • use a search engine 使用搜索引擎 • on the search engine 06 chat /tʃæt/ vi. & n. 聊天；闲聊 派生词 • chat room 聊天室 • chat with sb 与某人聊天 例句 • I often chat with my friends online after finishing my homework. 考点 • chat with sb 与某人聊天 • chat about 聊关于…… • have a chat 聊一聊 07 stream /striːm/ vi. & n. 流播；（不用下载直接在网上播放）；流出 派生词 • streaming adj. 流媒体的 • live stream 直播 例句 • We can stream movies and music on the Internet without downloading them. 考点 • stream a video 流媒体播放视频 • live stream 直播 08 identity /aɪˈdentəti/ n. 身份；本身 派生词 • identify v. 确认身份 • identity card 身份证 例句 • You should never tell strangers your identity information online. 考点 • identity card 身份证 • identity theft 身份盗窃 • sense of identity 身份认同 09 identity card /aɪˈdentəti kɑːd/ n. 身份证 派生词 • ID card 身份证 • identity n. 身份 例句 • Remember to take your identity card when you go to the bank. 考点 • an identity card 身份证（= ID card） 10 convenient /kənˈviːniənt/ adj. 方便的；近便的 派生词 • convenience n. 方便 • conveniently adv. 方便地 例句 • Online shopping is very convenient because we can buy things at home. 考点 • It is convenient for sb to do sth 对某人来说做……方便 • be convenient for 对……方便 11 cash /kæʃ/ n. 现金 派生词 • cashless adj. 无现金的 • pay in cash 用现金支付 例句 • Now many people pay by phone instead of using cash. 考点 • pay in cash 用现金支付 • cash flow 现金流 • cash machine 自动取款机 12 update /ʌpˈdeɪt/ vt. & n. 更新；向……提供最新信息；最新消息 派生词 • up-to-date adj. 最新的 • update information 更新信息 例句 • Please update your app to the latest version for better security. 考点 • update sth 更新某物 • update sb on sth 向某人提供最新情况 13 database /ˈdeɪtəbeɪs/ n. 数据库；资料库 派生词 • data n. 数据 • database system 数据库系统 例句 • The school keeps students' information in a computer database. 考点 • a database of ……的数据库 • search a database 检索数据库 14 software /ˈsɒftweə(r)/ n. 软件 派生词 • hardware n. 硬件 • software engineer 软件工程师 例句 • We use special software to edit videos for our class project. 考点 • install software 安装软件 • software program 软件程序 15 network /ˈnetwɜːk/ n. & vt. 网络；网状系统；人际网；将……连成网络 派生词 • networking n. 人际交往 • social network 社交网络 例句 • A good social network helps us stay in touch with friends far away. 考点 • social network 社交网络 • network with sb 与……建立关系 16 stuck /stʌk/ adj. 卡住；陷（入）；困（于） 派生词 • stick v. 粘；卡住 • get stuck 被困住 例句 • I got stuck in the traffic jam and was late for school this morning. 考点 • get stuck in 被困在……中 • be stuck with 被……缠住 17 keep sb company /kiːp ˈkʌmpəni/ phr. 陪伴某人 派生词 • company n. 陪伴；公司 • accompany v. 陪伴 例句 • I often stay with my grandma to keep her company on weekends. 考点 • keep sb company 陪伴某人（= accompany sb） 18 surf /sɜːf/ vt. & vi. 浏览（信息）；冲浪 派生词 • surfer n. 冲浪者 • surf the Internet 上网 例句 • Many students surf the Internet to look up information for their homework. 考点 • surf the Internet 上网 • surf online 网上冲浪 19 benefit /ˈbenɪfɪt/ n. & vt. 益处；好处；使受益；得益于 派生词 • beneficial adj. 有益的 • benefit from 从……中受益 例句 • Students can benefit a lot from online learning materials. 考点 • benefit from 从……中受益 • be of benefit to 对……有益 • for the benefit of 为了……的利益 20 distance /ˈdɪstəns/ n. 距离；远方 派生词 • distant adj. 遥远的 • in the distance 在远处 例句 • The Internet makes it easy to talk to friends over long distances. 考点 • in the distance 在远处 • at a distance 隔一段距离 • keep a distance from 与……保持距离 21 inspire /ɪnˈspaɪə(r)/ vt. 鼓舞；激励；启发思考 派生词 • inspiration n. 灵感 • inspiring adj. 鼓舞人心的 例句 • Her story inspired me to keep learning English even when it was hard. 考点 • inspire sb to do sth 激励某人做某事 • inspire sb with sth 用……鼓舞某人 22 now that /naʊ ðæt/ conj. 既然；由于 派生词 • now that = since 既然 例句 • Now that you have finished your homework, you can watch a short video. 考点 • now that 引导原因状语从句，意为"既然" 23 access /ˈækses/ n. & vt. 通道；(使用、查阅、接近或见面的）机会；进入；使用；获取 派生词 • accessible adj. 可使用的 • access to 接近/使用……的机会 例句 • Students in our school have free access to the digital library. 考点 • have access to 有权使用/接近 • gain access to 获得使用权 • access the Internet 上网 24 charity /ˈtʃærəti/ n. 慈善机构；慈善；慈善团体（或组织） 派生词 • charitable adj. 慈善的 • charity work 慈善工作 例句 • She donated her pocket money to a charity to help homeless children. 考点 • charity concert 慈善音乐会 • raise money for charity 为慈善募捐 25 go through /ɡəʊ θruː/ phr. 经历；通过；仔细查看 派生词 • go through with 完成 • go over 复习 例句 • You should go through the instructions carefully before using the app. 考点 • go through hardships 经历苦难 • go through the list 仔细查看清单 26 tough /tʌf/ adj. 艰难的；严厉的；坚强的 派生词 • toughness n. 坚韧 • tough time 艰难时期 例句 • Learning English can be tough at first, but it gets easier with practice. 考点 • a tough problem 难题 • tough life 艰苦的生活 • be tough on sb 对某人严厉 27 province /ˈprɒvɪns/ n. 省 派生词 • provincial adj. 省的 • Guangdong Province 广东省 例句 • Our school is in Guangxi Zhuang Autonomous Region, a southern province of China. 考点 • Guangdong Province 广东省（专有名词大写） 28 conference /ˈkɒnfərəns/ n. 会议；研讨会；正式会谈 派生词 • press conference 新闻发布会 • attend a conference 参加会议 例句 • Teachers from all over the country attended an English teaching conference. 考点 • hold/attend a conference 举行/参加会议 • a press conference 新闻发布会 29 resident /ˈrezɪdənt/ n. & adj. 居民；（美国的）住院医生；居住的 派生词 • reside v. 居住 • residence n. 住所 例句 • Local residents were happy to see the new library open. 考点 • local residents 当地居民 • permanent resident 永久居民 30 plus /plʌs/ conj. & n. & prep. 而且；此外；加；优势 派生词 • minus n. 减 • plus point 优点 例句 • The app is free, plus it works on both phones and computers. 考点 • plus 作连词表"而且"，相当于 and also • plus sign 加号 31 function /ˈfʌŋkʃn/ n. & vi. 功能；作用；机能；运转；工作 派生词 • functional adj. 实用的 • function as 起……作用 例句 • This app has many useful functions, such as translating and saving notes. 考点 • function as 起……作用 • perform a function 发挥作用 32 battery /ˈbætri/ n. 电池；电量 派生词 • battery life 电池寿命 • charge the battery 充电 例句 • My phone battery died because I forgot to charge it last night. 考点 • battery life 电池续航 • charge a battery 给电池充电 • a dead battery 没电的电池 33 confirm /kənˈfɜːm/ vt. 确认；使确信 派生词 • confirmation n. 确认 • confirmed adj. 已确认的 例句 • Please confirm your booking by email before Friday. 考点 • confirm sth 确认某事 • confirm that... 确认…… • confirmation email 确认邮件 34 Wi-Fi /ˈwaɪ faɪ/ n. 无线保真；无线网络 派生词 • Wi-Fi signal 无线网络信号 • Wi-Fi password Wi-Fi密码 例句 • Please ask the waiter for the Wi-Fi password when you are in the café. 考点 • Wi-Fi signal 无线网络信号 • connect to Wi-Fi 连接无线网络 35 press /pres/ vt. & n. 按；压；敦促；新闻界 派生词 • pressure n. 压力 • press the button 按按钮 例句 • Press the red button to start the machine. 考点 • press the button 按按钮 • press conference 新闻发布会 • press for 敦促 36 button /ˈbʌtn/ n. 按钮；纽扣 派生词 • press the button 按按钮 • push the button 按下按钮 例句 • Click the start button on the screen to begin the game. 考点 • press/push the button 按按钮 • on/off button 开/关键 37 file /faɪl/ n. & vt. 文件；文件夹；档案；归档 派生词 • file folder 文件夹 • save a file 保存文件 例句 • Please save your document in a new file on the computer. 考点 • save/open a file 保存/打开文件 • file name 文件名 • file format 文件格式 38 in shape /ɪn ʃeɪp/ phr. 状态良好；健康 派生词 • keep in shape 保持健康 • out of shape 走样；身体不佳 例句 • Running every day keeps him in good shape. 考点 • keep in shape 保持健康 • in good/bad shape 状态好/不好 39 keep track of /kiːp træk ɒv/ phr. 掌握……的最新消息；记录；跟踪 派生词 • track n. 踪迹 • lose track of 失去……的线索 例句 • A good student keeps track of his homework deadlines. 考点 • keep track of 跟踪；记录 • lose track of 与……失去联系 40 discount /ˈdɪskaʊnt/ n. 折扣 派生词 • at a discount 打折 • give a discount 打折 例句 • Students can get a 20% discount on train tickets. 考点 • at a discount 打折 • a 10% discount 九折 • give/offer a discount 给予折扣 41 account /əˈkaʊnt/ n. 账户；描述；解释 派生词 • account for 解释；占比例 • bank account 银行账户 例句 • You need an email address to create a new account. 考点 • open an account 开户 • account for 解释；占（比例） • on account of 由于 42 click /klɪk/ vi. & vt. & n. 点击；单击；咔哒声 派生词 • click on 点击 • double click 双击 例句 • Click on the link to open the article. 考点 • click on 点击 • double click 双击 • click here 点击这里 43 privacy /ˈprɪvəsi/ n. 隐私；私密 派生词 • private adj. 私人的 • privacy settings 隐私设置 例句 • We should protect our privacy when using social media. 考点 • privacy settings 隐私设置 • protect one's privacy 保护隐私 44 theft /θeft/ n. 偷（窃）；盗窃罪 派生词 • steal v. 偷 • identity theft 身份盗窃 例句 • Identity theft is a serious problem on the Internet. 考点 • identity theft 身份盗窃 • car theft 汽车盗窃 45 rude /ruːd/ adj. 粗鲁的；无礼的 派生词 • rudely adv. 粗鲁地 • rudeness n. 粗鲁 例句 • It is rude to cut in when others are speaking online. 考点 • It is rude of sb to do sth 某人做……是粗鲁的 • be rude to sb 对某人无礼 46 target /ˈtɑːɡɪt/ n. & vt. 目标；对象；把……作为攻击目标 派生词 • target audience 目标受众 • hit the target 命中目标 例句 • Set a clear study target for this term and work hard to achieve it. 考点 • set a target 设定目标 • hit/miss the target 中/脱靶 • target sb/sth 以……为目标 47 troll /trəʊl/ n. & vt. 发挑衅帖子的人；网络喷子；恶意挑衅 派生词 • troll online 网上挑衅 • internet troll 网络喷子 例句 • Don't pay attention to trolls who post mean comments online. 考点 • an internet troll 网络喷子 • troll a forum 在论坛发挑衅帖 48 cyberbully /ˈsaɪbəbʊli/ vt. & n. 网络欺凌；网络霸凌 派生词 • cyberbullying n. 网络欺凌 • cyber- 网络 例句 • We should never cyberbully others online; be kind to everyone. 考点 • cyberbully sb 网络欺凌某人 • cyberbullying 网络欺凌 49 false /fɔːls/ adj. 假的；错误的 派生词 • falsehood n. 谎言 • false alarm 虚惊 例句 • Some news online is false, so we should check it carefully. 考点 • false information 虚假信息 • false alarm 虚惊一场 • false teeth 假牙 50 particular /pəˈtɪkjələ(r)/ adj. 特定的；特别的；讲究的 派生词 • particularly adv. 特别；尤其 • in particular 尤其 例句 • Is there any particular book you want to borrow from the library? 考点 • in particular 尤其；特别 • be particular about 对……挑剔 51 embarrassing /ɪmˈbærəsɪŋ/ adj. 让人难堪（尴尬）的；使害羞的 派生词 • embarrassed adj. 感到尴尬的 • embarrassment n. 尴尬 例句 • It was embarrassing when I forgot my teacher's name in class. 考点 • It is embarrassing for sb to do sth 某人做……很尴尬 • an embarrassing situation 尴尬的局面 52 make fun of /meɪk fʌn ɒv/ phr. 取笑；戏弄 派生词 • laugh at 嘲笑 • play a joke on 开玩笑 例句 • We should never make fun of classmates who make mistakes. 考点 • make fun of 取笑（= laugh at） • make fun of sb/sth 53 upset /ʌpˈset/ adj. & vt. 心烦的；苦恼的；使烦恼；使生气 派生词 • upset stomach 胃部不适 • be upset about sth 对某事心烦 例句 • She was upset because someone had left mean comments on her blog. 考点 • be upset about sth 为某事心烦 • It upsets sb that... 让某人心烦的是…… 54 guideline /ˈɡaɪdlaɪn/ n. 准则；指导原则；指导方针 派生词 • guide v. 指导 • safety guidelines 安全准则 例句 • Follow the guidelines when you use the school computer lab. 考点 • follow the guidelines 遵循准则 • safety guidelines 安全指南 55 author /ˈɔːθə(r)/ n. 作者；作家 派生词 • authorship n. 作者身份 • co-author 合著者 例句 • Who is the author of this popular science book? 考点 • the author of ……的作者 • a famous author 著名作家 56 tip /tɪp/ n. 建议；小费；尖端 派生词 • tips on/for ……的建议 • give a tip 给小费 例句 • Here are some useful tips for learning English online. 考点 • give sb a tip 给某人建议 • tips on/for doing sth 做……的建议 • tip the waiter 给服务员小费 57 familiar /fəˈmɪliə(r)/ adj. 熟悉的；常见的 派生词 • familiarity n. 熟悉 • be familiar with 熟悉 例句 • This app looks familiar; I think I used it before. 考点 • be familiar with 熟悉…… • be familiar to sb 为某人所熟悉 58 keep ... in mind /kiːp ɪn maɪnd/ phr. 记住；把……记在心上 派生词 • remember v. 记住 • learn by heart 背诵 例句 • Please keep these safety rules in mind when you go online. 考点 • keep ... in mind 记住（= keep in mind that...） 59 define /dɪˈfaɪn/ vt. 给（词语）下定义；界定；解释 派生词 • definition n. 定义 • definite adj. 明确的 例句 • Can you define the word "website" in your own words? 考点 • define sth as 把……定义为 • define a word 给词下定义 60 case /keɪs/ n. 盒；箱；情况；案例 派生词 • in case 以防万一 • in this case 在这种情况下 例句 • Take an umbrella in case it rains this afternoon. 考点 • in case 以防万一 • in case of 万一 • in this case 在这种情况下 • as is often the case 情况常常如此 61 the World Wide Web /ðə wɜːld waɪd web/ n. 万维网；环球信息网（WWW） 派生词 • the Web 万维网 • website n. 网站 考点 • the World Wide Web 万维网（= the WWW） 62 Jan Tchamani /dʒæn tʃəˈmɑːni/ n. 简·夏曼尼（人名） 派生词 • a person name 人名 例句 • Jan Tchamani is the main character in our textbook's Unit 3 story. 考点 • 专有名词，首字母大写 • 人名参考 63 Birmingham /ˈbɜːmɪŋəm/ n. 伯明翰（英国城市） 派生词 • a city in the UK 英国城市 例句 • Jan Tchamani used to live in Birmingham, a big city in England. 考点 • Birmingham 伯明翰（英国城市名，首字母大写） Thank you ! 词汇精讲 65 1104.0 1632.0 1248.0 1248.0 1632.0 1152.0 1296.0 1536.0 1920.0 1632.0 1056.0 1296.0 1536.0 1392.0 1440.0 1248.0 2112.0 1200.0 1440.0 1440.0 1488.0 1392.0 1344.0 1392.0 1440.0 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