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，沟） 2.serious 认真的 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 减少空气污染,3.by riding bicycles. 通过骑自行车,4.turn off the light 关灯,5.used to drive me to school 过去常开车送我上学,Phrases:,1.live a green life 过上绿色的生活,2.by doing sth.”意“通过做某事”,1.will be + 动词的过去分词”是一般将来时的被动语态。,Language points,to protect nature,To protect ourselves,Thank you