“I can't understand it. What is interesting about this physical experiment, chemical foundation reaction, elementary school ancient poems, must-memorize 100 Chinese geography, nature and science... Some characters are unclear, and there are large characters.”,Zhao Zheng thought for a moment, and finally nodded: "Summon Yan Shu.",“I’m here to teach. There aren’t enough teachers at the village school, are there I was sent by the government to give lessons to the children.”。