Unit 1 Welcome to the Unit 课件 -2021-2022学年高中英语牛津译林版必修第三册

harm soil ecosystem overseas region continent million n. & vt.伤害，损害 n.土壤；国土，领土，土地 n.生态系统 adj.海外的，国外的 adv.在海外，向国外 n.地区，区域；行政区 n.大陆，陆地，洲 num.一百万；许多，大量 Words review length biodiversity species nut brazil nut lily water lily n.长，长度；时间的长短； 篇幅，（电影）片长 n.生物多样性 n. (pl. species) 种，物种 n.坚果 巴西坚果 n.百合（花） 睡莲 Words review variety wildlife beneath mass towering hardwood n.不同种类；变化，多样性； 变种，变体 n.野生动植物，野生生物 prep.在…下面，在…下方； 配不上 n.大量；团，块，堆；一大群 adj.大批的，广泛的 adj.高大的，高耸的；出色的 n.阔叶树；硬材（阔叶树的木材） Words review Welcome to the Unit P1 新牛津必修Book 3 Unit 1 Nature in the Balance What will the Earth look like in 100 years? Or...it looks like this. The Earth is our only home. Leading-in Listen to the song below. Discuss the following questions in pairs. Discussion What is the message of the song? What can you do to help protect the environment? Humans have done much harm to the Earth, and we have to take action to change this situation. We can use less paper and fewer plastic bottles