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1、Unit 6 When was it invented?,Section A 1a1c,What do you know the Four Great Inventions in ancient China ?,paper-making,printing,gunpowder,compass,Warming - up,When was it invented?,105 B.Cone hundred and five BC公元前105年,It was invented in ,10 48 A.Dten forty-eight公元1048年,I think the paper-making was
2、invented before the printing.I think the printing was invented after the paper-making.,When was it invented?,It was invented in ,9th century9世纪,13 32,thirteen thirty-two,I think the _was invented before/ after the _.,1 四位数读法：每两位数一读。 例如：1332 thirteen thirty- two 1865 eighteen sixty-five 2 千年读法：按数学读法。
3、 例如：2000 two thousand 2008 two thousand and eight3 前两个数非0的读法：前两位读数+hundred 例如： 1900 nineteen hundred 4 三位数读法：按数学读法。 例如：635 six hundred and thirty-five.,年份读法,What do you think was invented first?,Modern inventions,personal computer,car,television,telephone,bulb,camera,In what order do you think they
4、were invented?,Discuss in groups.,A: I think the _was invented before the_.B: Well, I think the _was invented after the _.,When were the cars invented?,They were invented in 1885.,They werent invented in 1827.,1885,1827,werent =were not,When was the car invented?,It was invented in 1885.,It was not
5、invented in 1827,eighteen eighty-five,eighteen twenty-seven,When were the computers invented?,They _ in 1971.,They _in 1927.,1971,1927,were invented,werent invented,When was the computer invented?,It was invented in 1971. It was not invented in 1927.,nineteen seventy-one,nineteen twenty-seven,Listen
6、 and answer:Which inventions are they talking about?,1b. Listen and match the inventions with the year.,_ 1876_ 1885_ 1927_ 1971,d,a,c,b,再听一遍录音，选择方框中合适的短语完成下面的对话。,a. need to take a history class b. My family had a car. c. have modern inventions d. were invented e. couldnt afford one.,Alice: Was your
7、 life very difficult when you were a kid?Grandma: Oh, not really. Why?Alice: Well, you didnt _ like a telephone, right?Grandma: Of course we did! How old do you think I am? The telephone was invented in 1876. You _, Alice!Alice: Ha, ha! How about cars? They werent invented yet, were they?Grandma: Ye
8、s, they were. Cars were invented in 1885._.Alice: Well, did you have a TV?Grandma: No, we _. They were expensive in those days. The TV was invented around 1927, I think. Alice: Well, I know that you didnt have a computer because we learned in school that personal computers _in 1971.Grandma: Youre ri
9、ght. But I have one now!,c,a,b,e,d,A: what is the most useful invention?B: The telephone.A: When was the telephone invented?B: I think it was invented in 1876 .,Pair work,1876,1885,1971,1927,Who was the telephone invented by?,It was invented by Bell.,由/被发明,Bell,Baird,Who was the TV invented by?,It w
10、as invented by Baird.,Who invented it ?,1879Edison See in the dark,1839Daguerre dger Take pictures,A: When was the .invented? B:A: Who was it invented by? B:A: What is it used for(被用来表用途)?B: It is used for seeing the dark. /it is used for taking pictures.,Look and say,针对今天所学的发明，介绍发明者，何时发明的，有何用途等写一篇对
11、话。可用下面的语言结构： Whats the most useful invention? Who invented it? When was it invented? What is it used for?,writing,sample: Modern inventions have changed our life. I think the bulb is the most useful invention. I know the bulb was invented by Thomas Alva Edison. It was invented in 1879. it is used for seeing in the dark. And it is wisely used all around the world.,Thank you !,