二0二三年度九年级上册Unit6WhenwasitinventedUnit6SectionB教案

1、Unit 6 When was it invented ?Section B 1a-1e一、教学内容 1、复习已学过的关于食物的词汇，并学习关于食物和描写食物的三个新词：crispy, salty, sour。 2、通过阅读学会用一般过去时的被动语态对更广泛的发明进行描述。二、教学目标 1. New words and expressions about inventions. 2. Learn to talk about the history of some food 3. The passive voice in the past tense.三、重点难点 学会用一般过去时态的被动语态对

2、发明物的历史故事进行描述。四、教学准备 准备本课时教材中所涉及的发明的图片、录音或者多媒体；准备好本课时所需要的课件。五、教学过程Step 1复习简单复述茶是怎样被发现的。Step 2情景导入T：Some inventions have changed our lives, such as telephone, car，computer and so on. They are helpful. But some inventions were invented by accident or by mistake. They are also helpful to us. Tea was inv

3、ented by accident. And we will learn the inventions that were invented by mistake.Step 3完成教材1a1e的任务1.阅读1a内容，完成相应任务。2.要求学生完成1b部分的任务，然后找几名学生给出自己的答案。并把收集的答案列举在黑板上。3.听第一遍录音，完成课本上1c部分的任务。4.听第二遍录音，完成课本上1d部分的任务。5.听力内容巩固训练。要求学生根据所听到的内容完成下列对话。完成后要求若干学生给出自己的答案，以巩固对听力内容的理解。Do you like potato chips? Do you know

4、 how the potato chips were invented? Now, lets listen and fill in the blanks.Potato chips were invented by mistake. They were invented by a cook called George Crum. One day a customer thought the fried potatoes werent thin enough and werent salty enough. So George cut them really thin and cooked the

5、m for a long time until they were crispy. And he put a lot of salt on them so they were salty.6.听第三遍录音，并打开听力材料，全班逐句进行跟读。7.放下听力材料，要求学生模仿听力内容，利用1c、1d的信息分角色进行对话练习。然后邀请23对学生当堂演示，看哪一对的表现最佳。Step 4 小结训练1.对不起，我刚才错拿了你的字典。Sorry, I took your dictionary _ just now.2.薯条被炸了很久。The potato chips _ for a long time.3.它们不够咸。They were not _.4.你知道薯条的历史吗？Do you know _ potato chips?答案： mistake cooked enough history ofStep 5问题探究1.那消息使我悲伤。The news _ me _.2.我终于让那位顾客满意了。I made the _happy _.答案： ,sad ,in the endStep 6 Homework 1. Make dialogs with partners,