- 问题详情:JohnSandwasoneofthemostinfluentialteachersIhaveevermet.Duringhighschool,hetaughtmemorethananyotherteacherhadbeenableto.Hedevelopedunusualmethodsofteaching.Hedidnotgiveushomeworkonthefirstdayandhaveitduethenext;instead,hegaveusahomeworkschedul...
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