精通版三年级英语下册《Let's go to school》PPT教学课件，共13页。
Presentation
A marker is in the pencil-box.
A Chinese book is on the chair.
A ball is in the box.
球在盒子里面。
A ball is on the box.
球在盒子上面。
Practice
No.1 A cat is in the box.
A box is on the desk.
No.2 A cat is on the box.
A bag is on the desk.
Summary
区分in, on的位置：
in 在……里面
on 在……上面
... ... ...
关键词：《Let's go to school》PPT课件免费下载，.PPT格式；
