Title: Hai zi shang xue qian yi ding yao xue hui de 50 jian shi
Description: Ben shu fen xiang liao yi xie jia chang men zhao gu hai zi de jing yan yu jiao xun, wei nian qing de fu mu ti gong yi xie bang zhu he jian yi, hui da liao yi xie gong xing de wen ti.
Subjects: Er tong jiao yu, Jia ting jiao yu ., Er tong jiao yu .