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课件网) Unit 4 Information Technology Topic Talk 教材分析 本课是本单元的起始课，起到了激活主题 “信息技术”相关背景知识的作用，并为本单元后面的教学内容做了话题、词汇以及思维的铺垫，启发学生思考。两段听力文本均为两人对话，谈论了信息技术发展的利与弊，属于“人与社会”主题语境下的“科学与技术”话题。 教学目标 在本课学习结束时，学生能够： 1. 通过听获取说话人上网和使用多种应用程序的原因； 2. 口头谈论信息技术的应用和影响； 3. 合理、完整、全面地评价信息技术的发展。 教学重难点 【教学重点】 1. 通过对听力文本的梳理内化，学生能够获取说话人上网和使用多种应用程序的原因；口头谈论信息技术的应用和影响。 2. 启发学生思考并学会表达信息技术对实际生活的影响、存在的问题以及我们应该趋利避害，对信息技术的使用采取积极态度。 【教学难点】 引导学生既要学会用英语谈论信息技术给人们带来的利与弊，又要学会合理安排使用信息技术的时间，理性对待。 Watch a video clip Talk about the new Technology. What is information technology It refers to anything related to computing technology, such as, n_____, h_____, s_____, the I_____, or the p_____ that work with these technologies. etworking ardware oftware nternet eople Information Technology applications computer communication security design network IT hardware software database Warming-up key words Warming-up Can you give some examples for transmitting information？ WeChat Tik Tok Email a massively popular app that lets users create and share videos up to 15 seconds long. Warming-up Examples for gathering information: Gathering information and storing information Phones Fingerprint lock Face recognition Warming-up Gathering information and storing information Examples for storing information: 文化知识———三次工业革命简介 The First Industrial Revolution Time: From 1760s to 1840s Period: The Age of Steam Birthplace: England Beginning: In 1764, Hargreaves invented Spinning Jenny. Fields: textiles (纺织业), transportation, agriculture, and manufacturing Achievements: In 1785, Watt’s improved steam engine was put into use. In 1807, the first steamboat built by American Fulton was successfully tested on trial. In 1814, Stephen Sun, a British man, invented the steam-powered car. 文化知识———三次工业革命简介 The Second Industrial Revolution Time: From the mid-late 19th century to the early 20th century Period: The Age of Electricity Major Countries: England, Germany, United States, Japan, etc Achievements: In 1866, the German Siemens invented a generator. In the 1880s, German Carl Benz succeeded in making cars powered by an internal combustion engine. In 1903, the Wright brothers invented the world’s first airplane. 文化知识———三次工业革命简介 The Third Revolution of Science and Technology Time: From 1940s Birthplace: America Beginning: In 1946, the world’s first electronic computer was born in the United States. Fields: atomic energy (原子能), computing, aerospace technology, and bioengineering Achievements: In 1945, the United States successfully tested its first atomic bomb. In ... ...
