Unit 13 We’re trying to save the earth!重点单词 名词:bottom,fisherman,coal,advantage,industry,law, gate,bottle,president,work,metal 动词:litter,cost,afford,recycle 形容词:ugly,wooden,plastic,cruel,harmful,scientific 必备短语 be harmful to,at the top of,the food chain,take part in,turn off,pay for,take action,throw away,put sth.to good use,pull ...down,bring back 经典句型 1.We’re trying to save the earth. 2.The river used to be so clean. 3.The air is badly polluted. 4.No scientific studies have shown that shark fins are good for health. 5.We should help save the sharks. 语法在线 1.复习现在进行时和现在完成时。 2.复习情态动词。 3.复习被动语态。 写作要求 能够根据所学内容写一篇短文,表达自己对污染和环境保护的认识及看法。 Section A(1a-2d)任务一任务二任务三任务一 : 将下列单词或短语归类。chimneys,factories,mobile phones,planes,motor vehicles,motorcycles,loud music,smoking,littering,building houses,liquid wastes1.air pollution: 2.noise pollution: 3.water pollution: 答案： ( 此题答案并非唯一 )1.chimneys,factories,planes,motor vehicles,motorcycles,smoking,littering,building houses2.factories,mobile phones,planes,motor vehicles,motorcycles,loud music,building houses3.factories,littering,liquid wastes任务一任务二任务三任务二 : 请按以上分类补充更多的词汇。 答案：略 任务一任务二任务三任务三 : 在日常生活中 , 污染随处可见。请结合你的生活环境 , 与同伴讨论你身边的污染源及合理的治理措施。 答案：略 121.Yes,but people are throwing litter into the river.是的 , 但是人们把垃圾扔到河里。litter 在句中是不可数名词 , 意为“垃圾 ; 废弃物”。如 :Please do not drop litter. 请勿扔垃圾。拓展 litter 还可用作动词 , 意为“乱扔”。如 :She’s always littering up her room with her clothes.她总是乱扔衣物 , 弄得房间凌乱不堪。122.There are other advantages of bike riding.骑自行车还有其他的好处。advantage 是名词 , 意为“优点 ; 有利条件”。如 :What is the advantage of drinking this kind of water?饮用这种水有何好处 ?She had the advantage of a good education.她具有受过良好教育的有利条件。拓展 advantage 的反义词是 disadvantage 。如 :Every advantage has its disadvantage. 有利必有弊。
