1. School of Education, Shaanxi Normal University, Xi’an, 710062 Shaanxi, China
2. Suzhou New District Yangshan Experimental Junior High School, Suzhou, 215151 Jiangsu, China
3. School of Physics and Information Technology, Shaanxi Normal University, Xi’an, 710119 Shaanxi, China
4. Changzhou Zhonglou District Teacher Development Center, Changzhou, 213000 Jiangsu, China