九年级英语When was it invented课件20.ppt

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1、九年级英语When was it invented课件20 Four short words sum up what has lifted most successful Four short words sum up what has lifted most successful individuals above the crowd: a little bit more. individuals above the crowd: a little bit more. -author -author -date-dateDoraemon computer私人电脑私人电脑笔记本电脑笔记本电脑p

2、ersonal computernotebook computercarBenz(奔驰奔驰)calculatorhand-held calculator 便携式计算器便携式计算器telephone手机：手机：mobile phonecellphoneTVtelevision12345年份的读法年份的读法两个数字一组，分为前后两组两个数字一组，分为前后两组121865 eighteen sixty five1989 千年的读法千年的读法 two thousand 2001two thousand and onenineteen eighty nine3前两个数字不为零，后两个数字为零。前两个数字

3、不为零，后两个数字为零。 eighteen hundred1900 nineteen hundred4非四位数的年份的读法！非四位数的年份的读法！531 five hundred and thirty-one car computer calculator telephone television When was it invented? _was invented in _light bulb(1879)Edisoninvent v. 发明，创造发明，创造发明家，创造者发明家，创造者n. inventioninventorEdison was a great _. He _ 1093 th

4、ings. His _ are very important to us. 爱迪生是一位伟大的发明家，他发明了爱迪生是一位伟大的发明家，他发明了1093样样东西，他的发明对我们很重要。东西，他的发明对我们很重要。inventorinventedinventionsWhen were the light bulbs invented?Who invented the light bulbs?light bulbs(1879)Edison- They were invented in 1879.-Edison invented the light bulbs.Where did Edison in

5、vent the light bulbs?-He invented them in America.-Edison invented the light bulbs.-The light bulbs were invented by Edison.（对划线部分提问！）（对划线部分提问！）Who_ _ _ _ _ _?werethelightbulbs inventedby alarm clock (1350)Eric A: When was invented ?B: It was invented in A: Who was invented by?B: It was invented bymicrowave oven (1947)Spencer potato chips1850 18701853lollipop1950 19801958gun powderpaper makingprintingcompassFour great inventions of ancient China咸安实验中小学咸安实验中小学 夏文婷夏文婷