（一）重视集体教学和分科教学( Collective and subject-based learning)
50年代初，朱珊老师上泥工课。后排为苏联专家戈林娜及来自各地的专修班、进修班学员在观摩
Ms. Zhu Shan (100 years old presently) giving a masonry lesson. In the back row is Galina,the expert from Soviet Union, together with trainees from throughout the country for mutual learning (early 1950s).
50 年代初，学习测量——左图为幼儿用手量桌子的长度，右图为幼儿在步量甬道
The girl on the left measures the length of a table by using her hand,
The boy on the right measures the length of the path by using his feet. (early 1950s).
