邢念花曹范中学2013年教学设计评选.doc

学科：九年级英语 Unit9 When was it invented ? 第1课时 Section A(1a—2c) 作者：邢念花 学习目标： 知识目标： 熟练掌握以下词汇：invent，heat，calculator，scoop，adjustable，heel，operate，battery，slipper： 掌握以下句型: A: When was the telephone invented B: I think it was invented in 1876 A: What are they used for B: They’re used for seeing in the dark A: Who were they invented by B: They were invented by Julie Thompson 2.技能目标： ①正确运用被动语态谈论重要发明的历史和用途。 ②掌握一般过去时态的被动语态及相关句式转变。 3.情感目标：通过学习我们周围经常使用的发明物的历史来开阔眼界，丰富自己的阅历，培养学生勤于思考、善于创新的能力。 4.重点难点：熟练掌握由下面短语构成的句式 1、be invented in\by被....发明 2、be used for被用来做某事 be used to do被用来做某事 be used to doing习惯于做某事 used to do过去常做某事 3. 一般过去时态的被动语态及相关句式转变. 教学过程： 步骤一：1.检查预习任务，完成下面单词的形式改变。 invent__________________(发明家) _______________________(发明) adjust_________________(形容词) operate_________________(名词) heat_________________(形容词) crisp_____________________(形容词) salt_________________(形容词) chef______________(复数) accord_____________(介词) produce____________________(名词) mix_______________(名词) bake________________(名词) century_________________(复数) active__________________(名词) use______________（形容词） pleasant____________ (名词) develop_____________(发达的 ) ____________ (发展中的) rise_______________(过去式)_____________(过去分词) fall_______________(过去式)______________(过去分词) throw______________(过去式)_____________(过去分词) 2.师生通过问答引入新课： T:Life was difficult for people in the past,But now it is easy for us because of some new inventions.for examples, TV ,cars , telephone, mobile phone, computer,calculator,microwave oven… 步骤二： 前任务 1.提问：Do you know when the TV was invented ? （看图谈论这些东西的发明先后）。 例如： I think the TV was invented before the computer. And I think the computer was invented after the car. TV was invented in 1927. The telephone was invented in 1876. The car was invented in 1885. The computer was in 1976. 2.教学1b的内容，播放录音，然后记下每样发明物的发明时间：提名请学生填写表格，然后操练朗读对话。 分两步进行，第一步先写下发明物，第二步写下发明的时间） 发明物 发明时间