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一、词组 1. keep our city clean 保持城市干净 2. look at these pictures of our city 看我们城市的这些图片 3. a picture of my bedroom 我房间的照片 4. smoke from cars 汽车尾气 5. make the city dirty 使城市变脏 6. black smoke from factories 工厂的黑烟 7. make the air dirty 使空气变脏 8. make the streets messy and dirty 使街道脏乱 9. make the floor messy让地面变得乱七八糟 10. the fish are dead 鱼都死了 11. dirty bed 脏的床 12. the river is dirty河水是脏的 13. take the bus 乘公交车 14. take the metro to school 乘地铁上学 15. move some factories away from our city 把工厂搬离我们的城市 16. put rubbish into the bin 把垃圾放进垃圾箱 17. plant more trees 种更多的树 18. help keep the air clean 帮助净化空气 19. also walk to school 也步行上学 20. throw rubbish on the floor 在地上扔垃圾 21. walk home after school 放学后步行回家 22. throw a banana skin扔香一个香蕉皮 23. on the ground 在地上 24. live in the city住在城市里 25. sweep the floor 扫地 26. clean the desks and chairs 擦拭桌子和椅子 27. many museums 许多博物馆 28. a lot of shops 许多商店 29. some cinemas 一些电影院 30. like eating bananas喜欢吃香蕉 31. shouldn’t do that 不能做那样的事情 32. go to hospital 去医院 33. put the rubbish in the bin把垃圾放进垃圾桶里 34. slip on the banana skin and fall在香蕉皮上滑倒 35. how to keep our school clean 怎样保持我们学校整洁 36. fly away 飞走 37. come back 回来 38. two little blackbirds 两只小乌鸦 39. sit on the hill 坐在小山上 40. good idea 好主意 41. well done，class 同学们做得好 二、句型 1、是什么让空气变脏？烟雾让空气变得更脏 What makes the air dirty? Smoke makes the air dirty. 2、是什么让街道变得又脏又乱？垃圾让街道变得又脏又乱 What makes the streets messy and dirty? Rubbish makes the streets messy and dirty. 3、我们能做什么来保持我们的城市干净？ What can we do to keep our city clean? (1) 我们可以乘公交车和地铁去学校。 We can take the bus and metro to school. (2) 我们可以步行去学校。We can walk to school. (3) 我们可以把一些工厂搬出我们的城市。 We can move some factories away from our city. (4) 我们可以把垃圾放进垃圾桶。We can put rubbish in the bin. (5) 我们可以种更多的树。We can plant more trees. 4、Billy在香蕉皮上滑到并摔到了。 Billy slips on the banana skin and falls. 5、你把垃圾扔在地上了吗？不，我没有。 Do you throw the rubbish on the floor? No, I don’t. 6、我们能保持我们的城市干净吗？是的，我们能。 Can we keep our city clean? Yes, we can. | 
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