九年级英语When was it invented课件20.ppt

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personal 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 things. 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 invent 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