1、When was it invented Unit 9Language goal:Learn to talk about history of some light bulbinventionEdison invented the ligh。

2、Unit 9READINGbasketball courtEquipment about basketballbasketballmetal hoopbackboardnetwooden floor木地板木地板裝備裝備,器材器材Before。

3、Unit 9When was it invented Section A1bListen and match the inventions with the dates.abedc18761885192719711976dabec1c1c1。