陕西省西安市庆安中学2020届九年级英语全册 Unit 9 When was it invented（第1课时）导学案（无答案） 人教新目标版

Unit 9 When was it invented（第1课时）策略与反思纠错与归纳【学习目标】1. 尝试记住下列单词和短语invent, calculator, be used for, scoop, adjustable, heel, battery, operate, slipper, heat2. 学会使用被动语态 be+ done 【重点难点】1. 动词的过去分词变化方法2. 被动语态的灵活运用。【使用说明与学法指导】1. 认真预习P68-69，圈点出还有被动语态的句子。2. 独立自主完成导学案。老师在你身边同学们可以查阅初二课本最后一页，或者查字典。【温故知新】写出下列词的现在分词、过去式与过去分词。1. be _ _ _ 2.invite _ _ _3. drink _ _ _4. use _ _ _5.invent _ _ _ 6. make _ _ _7. build _ _ _ 8. stop _ _ _【自主学习】建立自信，克服畏惧，尝试新知请完成下列单词和短语的汉译英9. 计算器_ 10. 被用来_11. 舀冰淇淋_12. 电池供电的拖鞋_13. 可调节鞋跟的鞋_14. 能加热的冰淇淋勺_重要句型：15. 汽车什么时候被发明的？When _ the car _?16. 谁发明的他们？Who _ they _ _?17. 他们被用来做什么？What _ they _ _?【合作探究】升华学科能力，透析重难点Step1. I think the calculator was invented before the computer.18. 翻译_.本句是一个含有宾语从句的复合句，从句是一个过去时的被动语态， 一般现在时的被动语态结构是： was /were + 过去分词。19. You_ (invite) to the meeting yesterday.20. The sick girl _(send) to hospital yesterday.invent 动词，“发明创造”。 invention n.“发明， 创造”。inventor n. ，“ 发明家。创造者” 21. Tom is the _ of battery-operated slippers. (invite) 22. TV is one of the greatest _in history. (invent)Step2 Its used for scooping really cold ice cream.23. 译为_.be used for 表示“用来做。” be used for sth / be used for doing sth. 表示被用于某事 或做某事。24. 衣服被用来保暖。Clothes _ warm.25. 刀子被用来切东西。 Knives _things.温馨提示请同学独立完成，相信自己很棒。【当堂训练】技能拓展应用，搭建晋级平台根据句意用括号里所给的词的适当形式填空26. A glass is used for _ ( drink) water.27.What is the most _ ( use ) invention in the world ?28. Do you know the _ (heat) ice cream scoop ?29. This kind of bicycle was _ (invent ) by a middle school student.30. What do you think of these _ ( invent)?31. I _(invited) to go to his birthday party last Sunday.32. He found that a note _ on his desk when he came back.A. was left B. is left C