四年级上册英语课件- Module4 Unit1 Chinese people invented paper. 外研社（一起）(共28张PPT)

Chinese people invented paper. 动词过去式的规则变化 play- clean- phone- listen- stay- watch- finish- wash- dance- played cleaned phoned listened stayed watched finished washed danced 〔d〕 〔t〕 Let's play a game. invent print printing paper newspaper bicycle telephone important Let’s make friends with these words. What’s this? Who invented paper? 东汉 蔡伦 Chinese Chinese people invented paper. Learn and answer: What did Chinese people invent? invent 发明 invented 　北宋 毕昇 Chinese Chinese people invented printing. four great inventions （四大发明） paper printing compass （指南针） powder（火药） Chinese people are very clever! Chinese people invented important things. paper 纸 printing 印刷术 walked didn’t walk played didn’t play cleaned didn’t clean Discussion: 1 Chinese people have invented such great things, are you proud of being a Chinese? 2 Do you want to be an inventor like Cai Lun and Bi Sheng? 3 What do you want to invent? Thank you! $$