The benefit of wooden chairs refers to the arrangement of two groups of students with equal grades to sit on comfortable sofa chairs and very uncomfortable wooden chairs to study. Soon after, students with wooden chairs will have higher academic performance than students with sofa chairs. Many. The reason is that the student sitting on the wooden chair constantly adjusts the sitting position because of discomfort. On the surface, it seems to be disturbed and active, but in fact, it supplies the brain with more blood and nutrition. Without motion, the blood circulation is relatively slowed, and the blood and nutrients obtained by the brain are relatively reduced, so the learning effect is worse. According to the above definition, Which of the following options best reflect the effect of wooden chairs:. ['A student has been punished from childhood to fullness, and his academic performance has been unsatisfactory.', 'A parent provides a cold drink every day to encourage children to study in the summer.', 'Xiaogang walks to school and goes home every day.', "One month after moving into the new study, Xiao Ming's performance climbed all the way."]