九年级英语WhenwasitinventedPPT学习教案

1、会计学1九年级英语九年级英语WhenwasitinventedDoraemon 第1页/共20页computer私人电脑私人电脑笔记本电脑笔记本电脑personal computernotebook computer第2页/共20页carBenz(奔驰奔驰)第3页/共20页calculatorhand-held calculator 便携式计算器便携式计算器第4页/共20页telephone手机手机：mobile phonecellphone第5页/共20页TVtelevision第6页/共20页12345第7页/共20页两个数字一组，分为前后两组两个数字一组，分为前后两组121865 eig

2、hteen sixty five1989 千年的读法千年的读法 two thousand 2001 two thousand and onenineteen eighty nine第8页/共20页3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 第9页/共20页 car computer calculator telephone television When was it invented

3、? _was invented in _第10页/共20页light bulb(1879)Edison第11页/共20页invent 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。inventorinventedinventions第12页/共20页When were t

4、he 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.第13页/共20页-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第14页/共20页 alarm clock (1350)Eric microwave oven (1947)Spencer 第15页/共20页potato chips1850 18701853第16页/共20页1950 19801958第17页/共20页gun powderpaper makingprintingcompassFou