滦南县胡各庄镇初级中学九年级英语学教案.doc

滦南县胡各庄镇初级中学九年级英语学教案 课题：Unit?9?When was it invented? Section?A?1a—2c 第1课时1 知识目标：句子When was / were ... invented? Who was / were ... invented by? What is / are ... used for? C. 语法 学会并掌握被动语态。 2能力目标：来谈论各种发明物的历史。 3 情感目标：重难点（教师寄语：自主中培养能力）（教师寄语：在学习中获得乐趣）Task1: Learn 1a 写出这五个发明的单词。 听力练习（1b）Learn?2a---2c? 1.写出下列三项发明的名称 ??shoes?with?adjustable?heel?__________battery?-operated?slippers?___________ ??heated?ice--cream?scoop___________ 听录音并选择填空，然后进行对话练习。 ①A: What are those? B: They are battery-operated slippers． A: What are they used for? B: They are used for． A: Who were they invented by? B: They were invented by． A: look at this heated ice cream scoop. B: What is it used for? A: It is used for ． : Who is it invented by? A: It is invented by ③A: What are those? B: They are shoes with adjustable heels． A: What are they used for? B: They are used for． A: Who were they invented by? B: They were invented by（教师寄语：学会合作，乐于合作，提高自我）1. When was it invented? invent v. 发明，创造 拓展（1） n. 发明家，创造者，发明者拓展（） n. 发明（物），创造例如：Do you know who computers? 你知道谁发明的电脑吗？ Edison was a great. 爱迪生是一个伟大的发明家。 Edison had 1,093. 爱迪生有1，093项发明。They’re used for seeing in the dark.它们被用于在黑夜里观看。 be used for表示“被用来做……”，介词for表示目的和用途，后面接名词或动词-ing形式。 Wood can be used for make） paper.木材可以被用来造纸。 拓展含有be used的常用短语： （1）be used as表示“被用作” English the second language in many countries. （2）be used by表示“被使用”后接动作的执行者。 Th （）（）When was it invented ?它是什么时候被发明的？ 这句话使用的是语态： (1)(2).被动语态的构成：　___________________ (3).被动语态中的be 是助动词，有人称、数和时态的变化。 (4).被动语态中动作的发出者或执行者做介词by的宾语，放在句末，by 表示的意思总结的结构并教师寄语：只有不断总结与归纳，才会更系统更全面）1. The bridge _______ by the farmers themselves in 1982. 　A. built　B. was built　　C. build　　　D. was build 2. All the books will ______ to the children who live in the small village. 　A. be sent　B. sent　　　C. be send　　D. send 3. Keys ______ used for ______ the doors. 　A. is, openingB. is, opened　C. are, opening　 D. are, opened 4. My mother told me that my hom