九年级英语unit9Whenwasitinvented课件人教新目标版(1).ppt

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1、When was it invented?Doraemon light bulbWhen were they invented?What is it called?bikeWhat are the Four Great Inventions in ancient China?Can you say some inventions around us?microwave oven alarm clock1876年年 n 1885年年1927年年1971年年1976年年computer私人电脑私人电脑笔记本电脑笔记本电脑personal computernotebook computercarBe

2、nz(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 phonecellphoneTVtelevision12345TapescriptAlice: Life must have been difficult when you were a kid.Woman: Oh, not really. Why do you say that? Alice: Well, you didnt have many modern inventions. Like, you probably didnt have a t

3、elephone, right?Woman: Of course we did! How old do you think I am? the telephone was invented in 1876.Alice: How about cars? I bet cars werent invented yet.Woman: Sure they were. Cars were invented in 1885. My family had a car. I think you need to take a history class, Alice.Alice: Ha, ha! Well ,di

4、d you have a TV?Woman: No, We didnt. The TV was invented around 1927, I think. Some friends of mine had one. But in those days, TVs were really expensive, and we couldnt afford one.Alice: And I bet you didnt have calculators and computers and stuff. Thats something I do know. We learned in school th

5、at hand-held calculators were invented in 1971 and personal computers were invented in 1976. Woman: You are right. I didnt have those things when I was young. But I do now!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2000 two thousand 2001two thousand and onenineteen

6、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。1800 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. inventioninve

7、ntorEdison 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 invent

8、ed 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