.掌握高考英语常用词缀 提升高考英语词汇量.一. 常见的前缀1.表示否定意义的前缀1)纯否定前缀a-, an-, asymmetry(不对称)anhydrous(无水的)dis- dishonest, dislikein-, ig-, il, im, ir, incapable, inability, ignoble, impossible, immoral, illegal, irregularne-, n-, none, neither, nevernon-, nonsense neg-, neglectun- unable, unemployment2)表示错误的意义male-, mal-, malfunction, maladjustment(失调)mis-, mistake, misleadpseudo-, pseudoscience3)表示反动作的意思de-, deactive, deactivatedis-, disarm, disconnectun-, unload, un