三（2）班的同学开展“保护环境,从我做起”的活动,3月份前5天时间就收集了525个废塑料袋,照这样计算,3月份一共可以收

525/5*31=3255

our class organized a protection of the environment, cleaning up waste activities, we ride the bike to thejinan botanical carde to pick up the garbage, poured into the trash, we told the students door importance of environmental protection ,At 7 o"clock ,please every one gather at the gaten in the tomorrow morning.%D%A