九年级英语when was it invented课件20

When was it invented?,咸安实验中小学 夏文婷,Unit 9,Doraemon,computer,私人电脑,笔记本电脑,personal computer,notebook computer,car,Benz(奔驰),calculator,hand-held calculator 便携式计算器,telephone,手机：,mobile phonecellphone,TV,television,1,2,3,4,5,年份的读法,两个数字一组，分为前后两组,1,2,1865 eighteen sixty five1989,千年的读法,two thousand 2001,two thousand and one,nineteen eighty nine,3,前两个数字不为零，后两个数字为零。,eighteen hundred1900,nineteen hundred,4,非四位数的年份的读法！,531 five hundred and thirty-one,_ 1876_ 1885_ 1927_ 1971_ 1976,car computer calculator telephone television,When was it invented?,d.,a.,e.,c.,b.,_was invented in _,light bulb,(1879),Edison,invent v. 发明，创造,发明家，创造者,n. invention,inventor,Edison 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1093样东西，他的发明对我们很重要。,inventor,invented,inventions,When 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！）,Who_ _ _ _ _ _?,were,the,light,bulbs,invented,by,alarm clock (1350)Eric,A: When was invented ?B: It was invented in A: Who was invented by?B: It was invented by,microwave oven (1947)Spencer,Guessing game!,potato chips,1850 1870,1853,lollipop,1950 1980,1