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- 问题详情：Teachingsecondgradeisalwaysachallenge.Eachstudentarrivesatschoolwithhisownneedsanddifficulties.OneyearastudentcalledBilly_31__mewithhisbehavioraswellashisacademicrequirements.Hestruggleddailywithhis__32__emotionsandoftenbecameangryorviolent.I...
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