u6词组、知识点梳理
一．词组
1.  keep our city clean     
保持我们的城市整洁
2. look at these pictures of our  city    看看我们城市的图片
3.  is our city clean ?  
我们的城市整洁吗？
4.  what makes our city dirty ?
  什么使我们的城市变脏呢？
 make our city dirty
  使我们的城市变脏

5. smoke from cars  汽车尾气
6. make the air dirty 使空气变脏
7.  black smoke from factories
来自工厂的黑烟 
8. rubbish makes the streets messy and dirty 
垃圾使街道脏而乱
 9. the river is dirty 河流是脏的
10.  rubbish in the water
水里的垃圾
11.  there’s rubbish in the water and the fish are dead. 
有一些垃圾在水里导致鱼死了。
12. what can we do to keep our city clean?  
我们做些什么来保持我们的城市整洁呢？
13. take the bus and the metro to    school   乘公交和地铁上学
14. walk to school 步行上学
go to school on foot步行上学15.  move some factories away   from our city
把一些工厂搬离我们的城市
16.  put rubbish in the bin
把垃圾放进垃圾箱里
17. plant more trees种更多的树
18. help keep the air clean
    帮助净化空气
19. your ideas are great.
你们的主意真棒。
20. well done，class! 
干得好,同学们！

21.what makes the air dirty ?
   什么使空气变脏呢？
 smoke makes the air dirty.
烟雾使空气变脏
22. what makes the streets messy and dirty ?
  什么使街道脏而乱
rubbish makes the streets messy and dirty 
垃圾使街道脏而乱
23.what can we do to keep our city clean? 
我们做些什么来保持我们的城市整洁呢？
we can take the bus and the metro to school   
我们可以乘公交和地铁上学
we can walk to school 
我们可以步行上学
we can move some factories away from our city
我们可以把一些工厂搬离我们的城市
we can put rubbish in the bin
我们可以把垃圾放进垃圾箱里
we can plant more trees
我们可以种更多的树

24.what can we do to keep our school clean? 
我们做些什么来保持我们的校园整洁呢？
25. put rubbish in the bin
把垃圾放进垃圾箱里
26.  sweep the floor扫地
27. clean the desks and chairs  
擦课桌椅 
pick up the waste paper 
捡起废纸
clean the classroom 打扫教室
clean the blackboard 擦黑板
clean the windows 擦窗户
plant more trees 种更多的树
 
28. throw rubbish on the floor
把垃圾扔在地上
29. put my rubbish in the bin
 把我的垃圾放进垃圾箱里
30. keep our city clean     
保持我们的城市整洁
31.put our rubbish in the bin
 把我们的垃圾放进垃圾箱里
32.  two little blackbirds
两只小画眉 
33. sit on the hill坐在山上
34. fly away  飞走