1. Pay attention to the position of the wall chart. When in class, put the wall chart on the upper right corner of the blackboard so as not to interfere with the students' sight.

2. To cultivate students' ability to read pictures, we should design some enlightening questions for students to answer according to the pictures.

3. It can be modified or supplemented, or several cards can be prepared as teaching AIDS.

4. Design and draw maps. Because there are more contents and fewer pictures, teachers can draw relevant pictures and maps.