Unit 6 When was it invented导学案（Word导学案）-【优翼·学练优】2021-2022学年九年级上册初三英语（人教版）

Unit 6 When was it invented? 第一课时Section A（1a—2d） 【学习目标】 1.掌握单词：heel, scoop, electricity, style, project, pleasure, zipper, daily, website, pioneer, list, mention 2.掌握短语：shoes with special heels , have a point, run on electricity, be used for, with pleasure, 3.掌握句型：I think the TV was invented before the car. ---When was the telephone invented? ---I think it was invented in 1876. --- What are they used for? ---They are used for changing the style of the shoes. 4.掌握语法：一般过去时态的被动用法。让学生体验大量语言结构和该结构所表达的功能意义，在他们有了一定的感性认识的基础上，引导他们概括语言结构的特点和功能。 【预习与交流】 旧知回顾 写出下列单词的过去分词。 invent____________ use______________ change _____________drink ___________ bring __________produce _____________ sell ___________steal ___________ advise__________ take ____________translate ___________eat ___________ 新知准备 根据汉语提示完成单词。 1. I like the color of this coat but I don’t like its________ (款式). 2. It’s my great________ (高兴) to have a talk with you. 3. The little inventions have helped me a lot in my ________ (日常的)life. 4. Julia introduced a good________ (网站)to me to learn English. 5. My mother always________（列清单）all things that she wants to buy before shopping. 【自学与合作】 According to 2d, fill in the blanks with the right words. Last week, Roy saw a________, it says the zipper is one of the________ small inventions that________ the world. It ________that the zipper was ________by Whitcomb Judson in 1893. but at that time, it wasn’t ________used. Paul thinks he seems to have a ________. The zipper is really________ a great invention and it’s used in our ________lives very often . 文化背景知识 美国人怎样表达他们对爱迪生的敬意 托马斯·阿尔瓦·爱迪生获得的发明专利，超过了任何一位美国人。当他1931年离世时，美国人简直不知道究竟怎样才能最充分地表达对他的敬意。 一项建议是，全国熄灯一两分钟，让家庭、街道及工厂的供电全部中断。 这项建议也许会使美国人充分认识到爱迪生及其发明的价值。然而，电对于这个国家来说是太重要了，即使是短暂的停电也会导致全面的混乱。熄灯会造成一片黑暗，这样做不堪设想。 在爱迪生安葬的那一天，许多人默默地扭暗了灯光。他们以这种方式，向这位把巨大电力送到全国同胞的手边，从而作出了无与伦比的贡献的人，表示了崇敬之情。 【释疑与评价】 1. 一般过去时被动语态的结构为“主语+ was /were +及物动词的过去分词 (+by+动作的执行者)。 肯定句：主语+ was/were +及物动词的过去分