1. Unit 6 When was it invented?

2. What are the Four Great Inventions in ancient China? Do you know?

3. paper printing It was invented …

4. compass gunpowder It was invented …

5. Look at the things. In what order do you think they were invented? I think the TV was invented before the car.

6. The car was invented before the TV set.

7. The telephone was invented before the TV.

8. The telephone was invented before the computer.

9. 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. 42 13

10. 1b Listen and match the inventions with the years. ____ 1876 ____ 1885 ____ 1927 ____ 1976 d a c b

11. When was the telephone invented? I think it was invited in 1876

12. 2a Listen and number the inventions [1–3] in the order you hear them. 2 1 3

13. 2b Listen again and match the items with their inventors and uses. InventionWhat is it/are they used for? shoes with special heels _________ the style of the shoes shoes with lightsseeing _____________ hot ice-cream scoop________ really cold ice- cream changing in the dark serving

14. 2c Make conversations using the information in 2b. A: What are they used for? B: They’re used for seeing in the dark.