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.
学校组织了12名师生参加植树活动，老师每人载3棵树，学生每2人载1棵树，共栽了11棵树，老师和同学个有几人 你好：假设全是老师，可栽：12×3＝36（棵）比实际多栽了：36－11＝25（棵）学生有：25÷（3－1÷2）＝10（人）老师有：12－10＝2（人）你好：假设全是老师，可栽：12×3＝。
一则关于打扫活动通知英语作文植树节时学校全校师生展开活动，写意一则打扫活动通知 NOTICEIn order to celebrate the 3.12 Treeplanting Day and protect environment，our school appeals for all the teachers and students to take part in the treeplanting activity.Please gather in group of class at the school gate tomorrow morning，then walk to the hill east of our school with the guidance of each headteacher.It's suggested to wear sports shoes and take iron spades and water breaker with you.Pay attention to safety during the planting.
(本题10分)某班师生组织植树活动，上午8时从学校出发，到植树地点植树后原路返校，如图为师生离校路程 s (本题10分)（1）设师生返校 时的函数解析式为，把（12，8）、（13，3）代入得，解得：当 时，t=13.6，师生在13.6时回到学校；3分（2）图象正确2分.由图象得，当三轮车追上师生时，离学校4km；2分（3）设符合学校要求的植树点与学校的路程为 x（km），由题意得：解得：x，答：A、B、C 植树点符合学校的要 求．3分略
