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compass
movable type printing
papermaking
What are the Four Great Inventions of ancient China?
Who invented them?
Papermaking technique was developed by Cai Lun.
Compass by common people.
was invented
Movable type printing by Bi Sheng.
was invented
Gunpowder by Ge Hong.
was invented
What other great inventions do you know today?
mobile phone
fridge
car
washing machine
robot
memory card
computer
camera
Which one do you think is the most important?
1. Lingling loves her mobile phone because she can ________________.
2. All of Daming’s friends’ numbers are _____ in his phone.
3. Today’s cameras are better than old cameras because they do not _________ and the photos can _______________.
4. Lingling thinks everything ___________ by computers to some degree, so the computer is ________________ invention.
Task 1: Listen and complete.
use it anywhere
kept
need film