摘要
IntroductionDuringtheteachingandlearningprocess,teachersoftencheckhowmuchstudentshaveunderstoodthroughwrittenassignments.InthisarticleI’dliketodescribeonemethodofcorrectingstudents’writtenworkbyusingavarietyofsymbolstoindicatewherestudentshavegonewrong,thenaskingstudentstocorrecttheirworkthemselves.
出版日期
1994年12月08日（中国Betway体育网页登陆平台首次上网日期，不代表论文的发表时间）
