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1、【课 题】Unit 6 When was it invented ?Section A 1a1c教师复备栏或学生笔记栏【学习目标】句型：When was the car invented?弄清一般过去时态的主动语态与被动语态的差异，并通过练习和运用加以巩固。 【学习重点难点】句型：When was the car invented?弄清一般过去时态的主动语态与被动语态的差异，并通过练习和运用加以巩固。【学法指导】在学习中，懂得人类的科学发明创造了丰富的物质文明，激发创造发明的能力和愿望。并乐于参加学习小组活动，积极合作。【教学过程】【教学过程】一、 导入（启发探究 3分钟）通过课件呈现中国古代
2、的发明: gun powder/compass/paper making/printing然后问学生:What are they?Help the students to say :They are four inventions of China.Get the students to repeat.叫学生列举一些他们知道的发明,如car,telephone,computer,TV等。Then show some inventions on the screen to the students:Telephone, calculator, car, personal computer, TV
3、, light bulb, alarm, clock, microwave oven, electric slipper.Teacher: There are many useful things in the world. They help us a lot in life. (Show some pictures on the screen)When were they invented?Students: _. The telephone was invented in 1876. The computer was invented in . 二、自学（自主探究 6分钟）文化背景导读H
4、ow Americans showed their respect for Edison Thomas Alva Edison was awarded more patents on inventions than any other American. When he died in 1931, Americans wondered how they could best show their respect for him. One suggestion was that the nation observe a minute or two of total blackout. All e
5、lectric power would be shut off in homes, streets, and factories. Perhaps this suggestion made Americans realize fully what Edison and his inventions meant to them. Electric power was too important to the country. Shutting it off for even a short time would have led to complete confusion. A blackout
6、 was out of the question. On the day of Edisons funeral, many people silently dimmed their lights. In this way they honored the man who had done more than anyone else to put a great force of electricity at his countrymens fingertips.翻译下列年代：1 nineteen seventy-one_ 2 eighteen eighty-five_3. eighteen s
7、eventy-six 4.1927_ 5.1976_ 6. 2010_三、交流（合作探究 10分钟）1. 要求学生翻开课本P41，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）2. 检查答案，先要求全班一起给出答案并检查讨论。 The telephone was invented in 1876.Cars were invented in 1885.The TV was invented around 1927.The personal computers were invented in 1976.3. 要求学生听第一遍录音，并完成
8、课本上1b的听力任务: Listen and match the inventions with the years. Check their answers: 读出序号-读出年份-读出完整的句子（2分钟）Picture d: The telephone was invented in eightenn seventy-six.Picture a: Cars were invented in eighteen eighty-five.Picture c: The TV was invented around nineteen twenty-seven.Picture b: The person
9、al computers were invented in nineteen seventy-six.4.听第二遍，填空。Alice: Was your life very difficult when you were a kid?Grandma: Oh, not really. Why?Alice: Well, you didnt have modern inventions like a , right?Grandma: Of course we did! How old do you think I am? The telephone was in 1876. You need to
10、take a history class, Alice!Alice: Haha! How about ? They werent invented yet, were they?Grandma: Yes, they were. Cars were invented in 1885. My family had a car.Alice: Well, did you have a TV?Grandma: No, we couldnt one. They were expensive in those days. The TV was invented around 1927, I think.Al
11、ice: Well, I know that you didnt have a because we learned in school that personal computers were invented in 1976.Grandma: Youre right. But I have now!5. 要求学生听第三遍录音，并逐句进行跟读。（2分钟）6. 完成教材1c的任务，要求学生模仿1a内容，进行对话练习。并邀请2-3对同学当堂进行演示。（3分钟）A: When was the telephone invented?B: I think it was invented in 1876
12、.A: When was the car invented?B: I think it was invented in 1885.A: When was the TV invented?B: I think it was invented around 1927.A: When was the personal computers invented?B: I think it was invented in in 1976.6. 小结训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的话及时解决纠正。（2分钟）用所给单词的正确形式填空：1) When was the
13、 telephone invented (invent)?2) The computer can help us do math problems (help).3) In those day, the woman couldnt afford (afford)a TV because they were really expensive.4) A friend of mine (I) came to see me last week.5) I think you need to take (take) a history class.四、总结（引深探究 15分钟）1.invent (v.)发
14、明；创造invent 指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材料等。【备课例句】Bell invented the telephone. 贝尔发明了电话。Smith invented a new teaching method. 史密斯发明了一种新的教学方法。【横向辐射】discover, find, create 1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。Columbus discovered America in 1492.1492年哥伦布发现了新大陆。Recently they have discovered a comet. 最近他们发现了一颗彗星。2.find的意思是“寻找”，强调找的结果，并不指发现。Ive tried to find another copy but couldnt find one.我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。Man creates himself. 人类创造了自己。A novelist creates characters and a plot. 小说家塑造人物并设计情节。【课堂变式】根据语境提示，
