Ⅰ名词派生词 Balance→imbalance；pleasure→displeasure；management→ mismanagement；efficiency→inefficiency；concern→unconcern ；literacy→illiteracy；resolution→irresolution； interference→noninterference；nutrition→malnutrition.Ⅱ形容词派生词 Accurate→inaccurate；patient→impatient.regular→ irregular；leg...
