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Unit3 Our digital lives Section 4导学案 学习目标 1. 掌握计算机发展史课文核心词汇、关键人物和时间线;掌握数字素养核心概念与三大能力板块(检索使用信息、创作数字内容、线上沟通分享);读懂《The story of the computer》计算机发展史课文和 Digital literacy 科普文章 2. 完成阅读理解问题、词汇匹配练习,梳理计算机发展完整时间线,理解数字素养的内涵与重要性,学会辨别网络信息、文明线上沟通 3. 综合运用本单元句型完成计算机历史主题口语讨论、科技发展短文复述 4. 了解计算机发展历程,感受科技迭代进步;建立良好数字素养,学会理性辨别信息、文明上网、安全上网 一、预习案(课前自主完成) (一)词汇预习・基础过关 模块 A:计算机发展史课文词汇 programme v. 编程;n. 程序 microprocessor / ma kr pr ses (r)/n. 微处理器;microchip n. 微芯片 major adj. 主要的,重大的 era / r /n. 时代 software n. 软件;app n. 应用程序 download v. 下载 the general public 大众、普通公众 quantum computer 量子计算机;quantum mechanics 量子力学 breakthrough n. 突破 personal computer (PC) 个人电脑 模块 B:数字素养课文词汇 digital literacy 数字素养 evaluate v. 评估、甄别 biased adj. 片面的、有偏见的 subjective adj. 主观的 emoji n. 表情符号 reliable adj. 可靠的 模块 C:关键人物 & 时间线 1. 1837:Charles Babbage & Ada Lovelace(英国) Charles Babbage:设计早期可编程机器,用于大数运算 Ada Lovelace:第一位计算机程序员,意识到计算机可实现更多功能 2. 1936:Alan Turing(英国科学家) 设计图灵机(Turing machine),奠定现代计算机基础 3. 1940s:早期大型计算机问世,体积和房间一样大 4. 1971:Ted Hoff,微处理器 / 微芯片发明者,实现计算机小型化、高速化 5. 1981:首款面向大众的个人电脑 PC 面世 6. 1990s–present:智能手机时代,移动应用、Wi-Fi、下载等进入日常生活 7. Future:量子计算机(quantum computer),下一代重大技术突破 例:中国量子计算机 祖冲之号 Zuchongzhi 模块 D:数字素养三大核心能力 1. Finding and using digital content:检索、甄别并可靠使用网络信息 辨别主观 / 片面信息,评估信息真实性,不盲目采信全部网络内容 2. Creating digital content:创作线上内容(帖子、评论、图文视频、表情符号等) 3. Communicating and sharing content:文明线上沟通、友好分享信息,友善待人、避免恶意言论 模块 E:核心句型抄写 + 中英对照 1. Ada Lovelace was the first computer programmer. 译:艾达・洛芙莱斯是第一位计算机程序员。 2. The Turing machine became the basic model for all modern computers. 译:图灵机成为所有现代计算机的基础原型。 3. Thanks to the microchip, computers became smaller, faster and more popular. 译:得益于微芯片技术,电脑变得体积更小、运算更快、普及度更高。 4. Digital literacy includes finding reliable information, creating digital content and behaving well online. 译:数字素养包括查找可靠信息、创作数字内容以及规范线上言行。 (二)预习思考题(通读 P46-P48) 1. 计算机发展史上关键人物和对应贡献分别是什么? 2. 数字素养(digital literacy)包含哪几项核心能力?上网查找信息时要注意什么? 3. 未来计算机领域的重大突破方向是什么? 二、课堂探究案(课中小组合作完成) 探究任务一:语篇问题链・研读计算机发展史课文 & 数字素养课文 基础浅层任务 1:阅读理解问题答案 (1) In 1837, Charles Babbage designed the first programmable machine to calculate big numbers, and Ada Lovelace worked with him. She realized computers could run many different programs and became the first computer programmer. (2) Alan Turing was a British scientist. He created the Turing machine in 1936, which could do all kinds of calculations and run different programs. It became the basic design of modern computers. (3) Ted Hoff was the main inventor of the microprocessor / microchip. After the invention, computers and electronic devices became much smaller and faster quickly. (4) Quantum computers will be the next big breakthrough in computer technology. 基础浅层任务 2:单词匹配 (1) major — e greater or more important (2) the general public — c people in society (3) era — b a particular period in history (4) software — a programs on a computer, phone, etc. (5) download — d to get data, files, software, etc. from the internet 基础浅层任务 3:数字素养正确选项 to find and use reliable online information to create online content, such as writing posts and blogs to share ideas and communicate with others online to behave well online 进阶理解问题链(课文主线梳理) 1. Computer history timeline 1837 Ada Lovelace & Babbage:最早可编程计算设备,第一位程序员 1936 Alan Turing:图灵机奠定现代计算机架构 1940s:巨型早期计算机 1971 Ted Hoff & microchip:芯片革命,小型化 1981 PC:家用个人电脑普及 1990s-present:智能手机、移动互联网时代 Future:Quantum computers 量子计算机 Core trend:Computers become smaller, faster, smarter, more connected 2. Digital literacy 主线 风险:海量信息里存在主观、片面、虚假信息,容易误导 能力 1:信息甄别与检索能力 能力 2:原创数字内容创作能力 能力 3:友善合规线上沟通能力 原则:Be careful, be kind, be responsible online 3. 核心思考:How has digital technology changed daily life and the whole world? How can we improve our digital literacy? 深度思辨讨论题 What is the most important part of digital literacy for teenagers? Why? (二)合作探究・小组课堂活动(4 人一组) 活动 1:时间线复述练习 小组按照年份顺序复述计算机发展历史和关键人物贡献 活动 2:Your ideas 小组讨论 讨论智能手机改变日常生活的方式、未来数字生活的发展 活动 3:数字素养情景讨论 情景练习:如何辨别一条网络信息是否真实?如何友善进行线上沟通? (三)分层输出任务 迁移 1:基础口头输出(达标) 基础 4 句 Ada Lovelace was the first computer programmer. Alan Turing invented the Turing machine. Microchips made computers smaller and faster. We need good digital literacy to use the internet safely. 迁移 2:双人综合问答对话(提升) A: Who was the first computer programmer? B: Ada Lovelace. She worked with Charles Babbage in 1837. A: What did Alan Turing do? B: He created the Turing machine, the base of modern computers. A: What is digital literacy? B: It is the ability to find reliable information, create content and behave well online. 迁移 3:书面综合输出(短文写作) 标题:The development of computers & digital literacy 写作框架 1. 第一段:Brief computer history timeline & key people 2. 第二段:What digital literacy means and why it is important 3. 第三段:Our good digital life habits 4. Use key words: major, era, software, download, evaluate, reliable 三、课后拓展案(分层巩固作业) 基础层(全体必做) 1. 本课主题词汇背诵朗读,熟记计算机历史关键人物和年份; 2. 完成课文问答、词汇匹配练习; 3. 仿写 5 句计算机历史和数字素养主题句子。 提升层(中等学生选做) 1. 双人完成计算机历史访谈对话; 2. 复述计算机发展主线和数字素养三大板块; 3. 80 词左右完成计算机发展史短文复述。 培优拓展层(学有余力) 1. 1 分钟口语展示:介绍计算机发展历程; 2. 拓展写作:How to improve my digital literacy; 3. 查阅万维网 / 祖冲之号量子计算机资料,做英文信息卡片。 课堂小结(板书核心) 1. Computer History Timeline 1837: Babbage & Ada Lovelace (first programmer) 1936: Alan Turing (Turing machine) 1971: Ted Hoff (microchip) 1981: PC / 1990s: smartphones / Future: quantum computers 2. Key words: major, era, software, download, microchip, breakthrough 3. Digital Literacy 3 core skills Find & evaluate reliable digital information Create proper digital content Communicate kindly & behave well online 4. Core theme: Learn digital history, build digital literacy, live a smart & safe digital life 当堂五分钟检测 一、英汉互译 1. microchip _ 2. quantum computer _ 3. digital literacy _ 4. the general public _ 二、选词填空 major, era, download, evaluate, breakthrough 1. The microchip was a _ breakthrough for computers. 2. We are now in the mobile digital _. 3. We should _ online information carefully. 4. We can _ apps on smartphones easily. 5. Quantum computers will be a new technical _. 三、单项选择 1. The first computer programmer was _. A. Ada Lovelace B. Alan Turing C. Ted Hoff 2. The basic model of modern computers is _. A. the PC B. the Turing machine C. smartphones 3. Digital literacy means we should _ online information. A. believe all B. evaluate carefully C. ignore all 四、句子翻译 1. 1837 年,查尔斯・巴贝奇设计早期可编程计算设备,艾达・洛芙莱斯意识到计算机可运行多种程序,成为第一位计算机程序员;1936 年阿兰・图灵设计图灵机,奠定现代计算机基础架构。 2. 泰德・霍夫发明微处理器芯片,推动计算机大幅小型化、高速化;1981 年首款家用个人电脑面世,90 年代后智能手机普及,移动互联网融入日常生活;未来量子计算机将是下一代重大技术突破,例如中国祖冲之号量子计算机。 3. 数字素养包含三项核心能力:甄别并可靠检索网络信息、合规创作线上数字内容、友善文明线上沟通;网络信息存在片面、主观信息,我们要理性辨别、友善交流、保护自身信息安全。 学科网(北京)股份有限公司 $