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人教版高一英语必修二课件:Unit3 Computers Language Points


Unit 3 Computers Language Points Leading-in(导入) Read and finish the timeline below. 1642 The computer began as a calculating machine. 1822 The analytical machine was made by Charles Babbage. 1936 The computer grew rapidly both in size and in brainpower. 1940s The computers had grown as large as a room. The first family of computers was 1960s connected to each other. 1970s Computers were used in offices and homes. Now Computers connect people all over the world together. Step 1 设疑自探 ? 学习目标: 问题1: anyhow 问题2: as a result, over time 问题3: …before…, as… ? 自探要求: 针对问题,利用课本、参考资料 及语法工具书独立探 究,用红笔标注出重点,标注疑问,准备合探。(3分 钟) Step 2 解疑合探 ? Stand up to discuss in groups to solve these problems.(站起来讨论 为展示和评价做好准备) ? 1.小组讨论,交流成果,互探互纠, 准备展示; ? 2.组长领导,认真思考,全组帮扶, 智慧最高。 展示要求与分工: 自探问题 自探问题1 自探问题2 展示分工 G2—4 G4—3/4 G6—3/4 自探问题3 展示要求: 1.简洁清晰,字迹工整,快捷。 2.体现集体智慧。 3.非展示同学继续讨论,做好补充和评价准备。 评价分工与要求: 自探问题 自探问题1 自探问题2 自探问题3 评价要求: 评价分工 G 5-1 G 7--1 G 9--1 1.先打分满分10分。 2.陈述扣分原因,表达自己观点;有必要的用红笔强调 和补充。 3.评价时要面向同学,充满激情,声音洪亮,神态自然。 4.其余同学注意记笔记。 Step 3 质疑再探 ? Do you have any questions or different ideas? Come up with them bravely! Step 4 运用拓展 (基础题) 语法填空 as a ? He got up late; ___ _result _____ , he was late for the class.(result) (拓展题) 改错题 ? As time going by, Einstein's theory proved went to be correct. ? 根据以上导向信息,结合本节所学语言点编写习题。 可编 语法填空题 或单句改错题等。 ? 请工整书写在纸上,每组编1-2题,标注组号, 择优 展示。 直击高考(必做题) ? As __ _ __ his laziness, he failed the a _____ result of exam. (result) (改编自2013· 山东) ? With the years ______ g

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