人教新目标九年级Unit 6 When was it invented? SectionA 1a-1c课件 （共24张ppt）

课件24张PPT。Section A( 1a—1c )Unit 6
When was it invented ?As far as we know, inventions can change our world!Lead-inThey all make the world smaller and smaller.Which is the first invention ?1aA: I think …was invented before …
B: Well, I think …was invented after …. Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1–4] (1 = first, 4 = last).42131a10/25/201810/25/2018Karl Benzin 1885PresentationA: Who was the car invented by ?B: It was invented by Karl Benz .A: When was it invented?B: It was invented in 1885.Karl Benzin 1885PresentationThe car was invented by Karl Benz in 1885.Bellin 1876A: Who was the telephone invented by ?B: It was invented by Bell. A: When was it invented ?B: It was invented in 1876.Bellin 1876The telephone was invented by Bell in 1876.J. L. Bairdaround 1927A: Who was the TV invented by ?B: It was invented by J.L Baird. A: When was it invented ?B: It was invented around 1927.J. L. Bairdaround 1927The TV was invented by J.L Baird around 1927. A: Who was the computer invented by ?B: It was invented by Eckert.A: When was it invented ?B: It was invented in 1971.Eckertin 1971The computer was invented by Eckert in 1971.Eckertin 19711b Listen and match the inventions
with the dates._____ 1876
_____ 1885
_____ 1927
_____ 1971dacbPair work1cA: Who was the … invented by ?B: I think it was invented by… in 1971in 1876in 1885 around
1927A: When was the … invented?B: I think it was invented in/around…Karl BenzBellJ. L. BairdEckertPairworkA: When ____the telephone _______?
B: I think it was ________ _____ 1876.1cwasinventedinventedinA: When was the car invented?
B: I think it ___ ____ ___1930. A: When was the computer invented?
B: I think it _____ ________ in 1976.A: When ____ the TV _____?
B: I think it was invented in 1927.1. (1790, invent)
Bike _____ ____________ in 1790.
2.
(1903, invent)
The plane ______ __________ in 1903. wasinventedwasinventedExercise看图完成句子3.
The car____ _________ ____Karl Benz.
4. (George)
The train ______ ______ ____ George. wasinventedbywasinvented by(invent
Karl Benz)5. ___ do you think the computer was invented by?
A. When B. What C. Who D. Why6. Was a car invented ___ March 4, 1876?
A. on B. in C. at D. of
7. Can you tell me ___ the train was invented?
A. what B. when C. who D. whichCAB