treat: in the sense of doing about, serving, or coping with is usually accompanied by context indicating attitude, temperament, or point of view that determines behavior or manner: ~ the subject realistically in an essay.    (context上下文、语境，指前后的词语，使含义更清晰，如例句中的副词状语realistically)  (serve的对象是人，cope with是物)


deal: used with with, may suggest a managing, controlling, or authoritative disposing: ~t with each problem as it arose.


handle: usually suggests manipulation and a placing, using, directing, or disposing with or as if with the hand: ~ an ax skillfully.


treat对待处理: 泛指对待招待处理，常需用上下文表明具体态度性格观点，deal处理: 权威地管理控制处置，handle操作: 用手操纵，如放置使用指导处置


记忆方法: 1) TDH联想成天和地<==处理

         2) 处理的意思是以某种方式应对mean to have to do with in a specified manner.TDH联想成天和地<==处理