Lesson 3 How many pupils are there ？ Read Doing a good job 课件（共49张PPT）.pptx
(共49张PPT)
Popular science
Grade Five
Book 6
Lesson 3 How many pupils are there Read Doing a good job
Some people throw things everywhere.
Do you want to say something to them
Don’t litter.
不要乱扔垃圾
Protect the environment.
保护环境
What are the pupils doing
They're picking up
useful things.
Please...