Lets watch a video!,Which problem does the video reflect?,Free talk,How to protect our world/environment?,Unit 8 A green world Comic strip to B. It; for C. It; of D. This; for,Summary,1.dig 挖（洞，溝） 2.serious 認真的 3.cause 造成 4.recycle回收利用 5.wise明智的 6.breadfruit 面包果,words:,2.reduce air pollution 減少空氣污染,3.by riding bicycles. 通過騎自行車,4.turn off the light 關燈,5.used to drive me to school 過去常開車送我上學,Phrases:,1.live a green life 過上綠色的生活,2.by doing sth.”意“通過做某事”,1.will be + 動詞的過去分詞”是一般將來時的被動語態。,Language points,to protect nature,To protect ourselves,Thank you