The Olympic Games-Warming up课件(新人教版高中英语必修2 unit 2)
The Olympic Games-Warming up课件(新人教版高中英语必修2 unit 2)第3页

I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now. Do you know who I am?

abacus

Riddles(谜语):