九年级英语上册 Unit 6 When was it invented Section B（1a-2e）教案 （新版）人教新目标版.doc

When was it invented 第 3 课时 Section B(1a〜2e)‎ 1‎ 1‎ ‎【教学目标】‎ 类别 学习重点 重点单词 Sou sour, customer，crispy，salty enough，‎ Info information 重点短语 by by mistake, in the end，were invented in,‎ in "l lots of 重点句式 1. D 1.Did you know potato chips were invented by mistake?‎ 2. T 2.The customer said they were not salty enough.‎ 3. B 3.Basketball is a much —love and active sport that is enjoyed by many for fun and exercise.‎ 4. I 4.It is believed that the first basketball game in history was played on December 21,1891.‎ 5. ‎ 5.At the same time, they need to stop the competing team from getting the ball into their own basket.‎ ‎【课堂导学案】‎ Step1复习（2分钟）‎ 简要复述茶是怎样被发现的。‎ Step 2情景导入(2分钟）‎ T：Some inventions have changed our lives, such as telephone, cars, computers and so on. They are helpful. But some inventions were invented by accident or by mistake. They are also helpful to us. Tea was invented by accident. And we will learn the inventions that were invented by mistake. Do you know what it was?‎ 环节说明:教师用已学的知识导入新课，用学生未学的知识来激发学生的兴趣，同时巩固了语法点“be invented”。‎ Step 3完成教材la〜2e教学任务 ‎1.要求学生翻开课本，迅速阅读‎1a部分的内容，并按要求完成课本上相应的任务：“Write words to describe the tastes of the food in la. ”，然后要求 4 名 学生给出自己的答案，并进行个读、齐读。(2分钟）‎ ‎2.要求学生完成lb部分的任务：“Write another kind of food of the same taste. ”，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。(4分钟）‎ 1‎ ‎【参考案例】‎ sweet bananas；crispy potato chips；salty noodles； sour grapes.‎ ‎3.听第一遍录音，完成课本上lc部分的任务: “Listen and circle T or F. ”，然后分别地检查他们的答案。(2分钟）‎ ‎4.听第二遍录音，完成课本上ld部分的任务： “Listen and complete the sentences. ”，检查答案，然后 大声朗读。(2分钟）‎ 3. 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。(3分钟）‎ Do you like potato chips? Do you know how the potato chips were invented? Now，let’s 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 weren’t salty enough. So george cut them really thin and cooked them for a long time until they were crispy. And he put a lot of salt on them so they were salty.‎ 4. 听第三遍录音，并打开听力材料，全班逐句进行跟读。(2分钟）‎ ‎7.放下听力材料，要求学生模仿听力内容，利用 lc、ld的信息分角色进行对话练习。然后邀请2〜3对 学生当堂演示，看哪一对的表现最佳。(5分钟）‎ ‎8.要求学生快速默读短文，熟知大意，并找出各段 的主题大意。然后邀请几位同学给出自己的答案，全 班一起检查讨论。(3分钟）‎ ‎9.先邀请几位同学阅读短文（可一人一段），教师要注意语音，及时纠正。然后播放录音，全班同学一起 跟读。(3分钟）‎ ‎10.让学生再细读短文，完成‎2c所给的记忆图，并 适当添加其他信息。(3分钟）‎ 10. 借助2c的信息记忆图和你的同伴一起利用2d 所给的问题一起来总结篮球的发展过程。(3分钟）‎ 11. 让学生分组先讨论一下你认为一些著名的运动员怎么样，列举一些要成为一名著名的篮球队员有哪些困难，完成2e的任务。(3分钟）‎ 环节说明：将听、说、读、写的任务结合起来，不仅 锻炼了学生的语言综合运用能力，还巩固了学生对目 标语言的学习、识记和运用;薯条被发明的小故事有很 强的趣味性，让学生体会到了学习英语的乐趣。‎ 12. 小结训练。(4分钟）‎ 根据汉语提示完成句子。‎ ‎⑴对不起，我刚才错拿了你的字典。‎ Sorry,I took your dictionary by mistake just now.‎ ‎(2)薯条被炸了很久。‎ The potato chips were cooked for a long Time.‎ ‎(3)它们不够咸。‎ They were not salty enough .‎ ‎(4)你知道薯条的历史吗 ？‎ Do you know the history of potato chips?‎ 根据句 意及汉语提示完成句子 。‎ ‎（1）She is Canadian (加拿大人），but her Chinese is excellent.‎ ‎（2) We were divided (分开）into eight groups by our teacher last week.‎ ‎（3）The little boy dreams of becoming a profession-al_ (职业的）football player.‎ ‎（4)Yue Fei was a national hero (英雄)in old Chinese history.‎ ‎(5) These apples were picked by hand and were packed with baskets (篮子）.‎ Step 4问题探究(2分钟）‎ 1. 那消息使我悲伤。‎ The news makes me sad ..‎ 2. 我终于使那顾客满意。‎ I made the customer happy in the end .‎ ‎ ‎