洋洋老师说今天不安排值日生,这葫芦里卖的是什么药?丁零零——上课铃声响了。洋洋老师:同学们,今天的教室是不是没有每天干净?大家都低下头来看看,自己的座位旁边有什么?欣欣:我这儿有一些铅笔屑。跃跃:我后面有一张废纸。洋洋老师:嗯,这些都是我们教室里的垃圾。谁来说说家里、公园里还有什么垃圾呢? Dayang teacher said today does not arrange the value of Nissan, which gourd to sell what medicine? Ding zero - the school bell rang. Ocean teacher: Classmates, today’s classroom is not not clean every day? Everybody bowed his head to see what is next to his seat? Showtime: I have some pencil shavings here. Leap: There is a piece of paper behind me. Ocean teacher: Well, these are the rubbish in our classroom. Who said the home, what is the garbage in the park?