【正文】
acher. The article gives the view that teachers should let students correct their mistakes by themselves. students are able to correct their own mistakes and teachers frequent correction will make children unable to judge their own work. Some people think students mistakes should be corrected by themselves and it is wrong for the teachers to do it for them too often in school. It will make the children dependent on the teachers. The author (the passage) discussed the benefit of extracurricular activities including being a way to improve students health,