新新目标板九年级上册Unit6 when was it invented课件 Section A-1

A: I think … was invented before … B: Well, I think … was invented after ….
The telephone was invented before the computer.
To learn to understand and use passive voice To listen and speak about the history of inventions using passive voice To listen and speak about what inventions were used for using passive voice
____ d 1876 ____ a 1885 ____ c 1927 ____ b 1976
1c Student B, cover the dates. Student A,
ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
A: I think the calculator was invented before the computer. B: Well, I think the calculator was invented after the computer.
A: I think … was invented before … B: Well, I think … was invented after ….
3Hale Waihona Puke 2 12b Listen again and match the items with their inventors and uses.
Invention
shoes with special heels shoes with lights
What is it/are they used for? _________ the style of changing the shoes in the dark seeing _____________
2d Role-play the conversation.
Paul: Hey Roy, the subject for my school project is ―Small inventions that changed the world.‖ Can you help me think of an invention? Roy: My pleasure! Let me think ... hmm ... I know! The zipper! Paul: The zipper? Is it really such a great invention? Roy: Think about how often it’s used in our
Unit 6 When was it invented?
Do you know?
What are the Four Great Inventions in ancient China?
paper-making 造纸术
printing 印刷术
compass 指南针
gunpowder 火 药
造纸术
The car was invented before the TV set.
A: I think … was invented before … B: Well, I think … was invented after ….
The telephone was invented before the TV set.
印刷术
What’s this called in English?
car
television telephone microwave
oven
calculator light bulb computer
battery
Look at the things. In what order do you think they were invented?
1a 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).
A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car.
4
2
1
3
1b Listen and match the inventions with the years.
daily lives. You can see zippers on dresses, trousers, shoes, bags ... almost everywhere! Paul: Well, you do seem to have a point ... Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn’t used widely. Paul: Really? So when did it become popular? Roy: Around 1917.
A: When was the telephone invented?
B: I think it was invented in 1876.
c
When was the computer invented?
Let me see…
2a Listen and number the inventions [1–3] in the order you hear them.
hot ice-cream scoop ________ serving really cold icecream
2c Make conversations using the information in 2b. A: What are they used for? B: They’re used for seeing in the dark.