课件14张PPT。Unit 9
When was it invented? Section APeriod 1 (1a — 1c）calculator[‘k?lkjuleit?]Cai Lunpaper makinginventedwas invented byprintingWhen was the printing invented?It was invented before/after…. Who was it invented by?
It was invented by….gun powdercompassWhen was the … invented?It was invented before/after…. Listen an inventions and the dates. 1b_____ 1876
_____ 1885
_____ 1927
_____ 1971
_____ 1976d
a
e
c
bcalculator1885Henry Ford19711976CrayBill HewlettBaird1927Bell1876Look at the following conversation. Make conversations with your partner.PairworkA: What’s this called in English？B: It’s called a TV.A: Is it an invention?B: Yes, it is.A: When was the TV invented?B: It was invented in 1926.A: Who was it invented by?B: It was invented by Baird.Reading Thomas Edison is a great inventor in the world. He is from America. When he was a child, his teacher didn’t like him. They thought he was an unusual boy. At last he left school, and studied at home. His mother taught him herself. He liked reading books and did experiments. When he grew up, he invented many things like the light bulb, the music player, and so on. The light bulb was invented in 1880. And the music player was invented in 1888.InterviewS1: Hello, Mr Edison. I’m a reporter. I’m Jenny.
S2: Hello, Jenny.
S1: Where are you from?
S2: I’ from….
S1: You are a great inventor. You invented a lot of things. When was the … invented？
S2:
