英语作文（通知类型）：3月12日是植树节，我校将组织全体学生参加植树活动 Comrades，Attention，please。March 12 is our Tree Planting Day.We have decided to go and plant trees that day.All the students in our school are supposed(required)to take part in the activity.Each class must take five or six basins to water the young trees.Others are to take spades to dig holes.We are going to gather on the school playground at seven on the morning of March 12.And then，we will take our school bus to the West Hill.Please don't be late or absent.Thank you.
3月12日植树节，学校先安排了31个人去拔草，18个人去植树，后又派20人去支援他们，结果拔草人数 解：设去支援拔草的有X人 {18+(20-X）}X2=31+x x=15
三月，阳光灿烂，草木逢春，莺歌燕舞，是绿色的季节，是孕育生机的季节。以下是小编整理的3.12植树节活动报道，希望对你有帮助。3.12植树节活动报道一：春天在哪里？。
