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

Unit 6 When was it invented?‎ 第 1 课时 Section A(1a〜2d)‎ 1‎ 1‎ ‎【教学目标】‎ 类别 学习重点 重点单词 style, project, pleasure, daily, website， pioneer,list,mention,have a point 重点短语 be used for doing sth, my pleasure, in one’s daily life，be invented by 重点句式 1. When was the telephone invented?‎ 2. ‎—What are they used for?‎ ‎—They are used for heating the cold ice-cream.‎ 3. Think about how often it’s used in our daily lives.‎ 4. It mentioned that the zipper was invented by Whitcomb Judson in 1893.‎ ‎【课堂导学案】‎ Step 1情景导入(5分钟）‎ T： There are many useful things in the world. They help us a lot in life. ( Show some pictures on the screen) Question： When were they invented?‎ Students ： ‎ (1) The telephone was invented in 1876.‎ (2) The computer was invented in...‎ 环节说明:通过课前的一个师生问答互动引入新课的话题;通过图片的展示和语言的描述创设了情境， 激发了学生的学习兴趣和表达欲望。‎ Step 2完成教材la〜lc教学任务 1. 要求学生迅速阅读1a部分的内容，并按要求完成课本上相应的任务：“ Number the pictures ”。 (1分钟）‎ 1‎ 1. 检查答案，要求全班一起给出答案并检查讨论。 (3分钟）‎ 2. 要求学生听第一遍录音，并完成课本上lb的听力任务：“Listenand match the inventions with the years.”。检查他们的答案，读出序号——读出年份——读出完整的句子。（2分钟）‎ ‎4.要求学生听第二遍录音，并逐句进行跟读。 （2分钟）‎ 5. 完成教材lc的任务，要求学生模仿la内容，进行对话练习，并邀请2〜3对学生当堂进行演示。 （3分钟）‎ 6. 小结训练。（2分钟）‎ 用所给词的适当形式填空。‎ (l) When was the telephone invented (in‎ vent) ？‎ ‎（2）It was invented (invent)in 1876.‎ 环节说明:通过学习la，使学生对几种重要的发明有所了解，并拓宽了思路;通过学习lb，锻炼学生的听力及抓取关键信息的能力;通过lc的训练锻炼学生的口头表达能力，同时巩固对本课内容的认识。‎ Step 3完成教材‎2a〜2d教学任务 1. 要求学生翻开课本。播放第一遍录音，完成2a、 2b的听力任务，然后个别检查，统一核对答案。 （2分钟）‎ 2. 要求学生听第二遍录音，并逐句进行跟读。 （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各句。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。（4分钟）‎ The shoes with lights are used for seeing in the dark. They were invented by Julie Thompson. This hot ice- cream scoop is used for scooping really cold ice-cream . The shoes with special heels are used for changing the style of your shoes.‎ ‎4.大声朗读听力材料。（1分钟）‎ ‎5.放下听力材料，要求学生模仿听力内容，利用 ‎2a、2b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）‎ ‎6.角色扮演(读2d对话，然后表演）。（7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，还巩固了学生对被 动语态的学习、识记和运用。‎ ‎7.小结训练。（5分钟）‎ 按要求完成下列各题。‎ ‎（1）Cars were invented in l885.(对画线部分提问） ‎ When were cars invented?‎ ‎（2）Julie Thompson invented electric slippers.(改为被动 语态)‎ Electric slippers were invented by Julie Thompson.‎ ‎（3） The shoes with lights are used for seeing in the dark.(对画线部分提问）‎ What are the shoes with lights used for ?‎ ‎（4)The light bulb was invented by Thomas Edison. (对画线部分提问）‎ Who was the light bulb invented by?‎ ‎（5)The refrigerator is used to keep food fresh (改为 同义 句)‎ The refrigerator is used for keeping food fresh.‎ Step 4问题探究(3分钟）‎ ‎( B ) l. Columbus America in l492.‎ A. invented B. discovered C. found D. found out ‎( A )2. A pen is writing.‎ A. used for B. used to C. used by D. used as ‎(B )3. Smith a new teaching method(方法).‎ A. discovered B. invented C. is discovered D. was invented ‎ ‎