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compass
指南针
printing
印刷术
gunpowder
火 药
造纸术
印刷术
car
What’s this called in English?
television
telephone
computer
light bulb
battery
Look at the things. In what order do you
think they were invented?
A: I think the calculator was invented before the computer.
B: Well, I think the calculator was invented after the computer.
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.
A: I think … was invented before …
B: Well, I think … was invented after ….
The telephone was invented before
the computer.
A: I think … was invented before …
B: Well, I think … was invented after ….