高一英语第二模块第三单元课文第一课时教学案——课前预习案——Read the passage quickly and silently, try to find out the general idea. 1) Main idea: This passage is about_________________________________. 2) Who is the speaker in this story? _______________________.——课中探究案——一、检查反馈，导入新课。听写单词：_____________________________________________二、目标定位，确定重点。三、自主探究，教师点拨。阅读课文，完成以下任务：任务 1：Find the topic sentence of each paragraph and the supporting details.【提示】A topic sentence sets out the main idea of a paragraph.A topic sentence is usually the first or last sentence of a paragraph.Paragraph1: __________________________________________________. calculating machine→analytical machine→universal machine→laptopParagraph2:_________________________________________________________. tubes→transistors→chips→network→World Wide WebParagraph 3: ________________________________________________________.使用范围：communications/finance/trade/robots/mobile phones/medical operations/space rockets /providing a life of high quality。任务 2. Finish the timeline1642: ___________________________________1822: _______________________________________: ___________________________________1940s: ______________________________________: the first family of computers was connected to each other.1970s: ________________________________Now: _______________________________________任务 3. Find the important phrases from the text.1.被当作是 ______________2.技术革命______________3.从那时起 ______________ 4.在体积上 ______________ 5.直到 20 世纪 40 年代_____________6.随时间的推移____________7.个人电脑 _____________ 8.结果 _________________9.在 20 世纪 60 年代初 ____________ 10.独自；单独_____________11.和…分享 ______________ 12.在… 方面重要______________13.探测月球，火星 _________ 14.提供给某人某物 ___________15.高质量的 ______________ 16.充满 ___________________17.一位忠实的朋友 _____________四、尝试演练，合作解疑。1. He asked some questions ____had nothing to ____this lesson.A. where ; deal with B. that; do with C. that; deal with D. where; do with2. The farmers use specially trained dogs to ____ their sheep at night.A. watch B. watch over C. watch out D. watch for3. ---Hey, look at the girl with long hair. What a beauty!---_____! Here comes a bicycle.A. Care for B. Sounds great C. Watch out D. Blow off4. Tom always works very hard at his lessons. ______, he passed the entrance examination easily.5. I’m very tired now but _____ I must finish the work today.A. anything B. anyone C. anyhow D. anywhere五、当堂检测，拓展延伸。完成练习册 28 页练习。六、课堂小结，布置作业。预习第二课时
