aCollege of Elementary Education, Capital Normal University

bHuangchenggen Primary School in Xicheng District, Beijing, China

Received 22 September 2022 Accepted 29 September 2022.

Correspondence to Rong Liu, PhD, College of Elementary Education, Capital Normal University, No.23 Baiduizijia, Fuwaidajie St. Haidian District, Beijing 100048, China, Tel: +86 010 18612875912; e-mail: [email protected]