-1-三、高考常考词词性变化1.变名词(1)-ence,-ance结尾的名词exist→existence存在differ→difference不同refer→reference参考occur→occurrence发生prefer→preference优先权,偏好guide→guidance指导appear→appearance出现,外表enter→entrance进入accept→acceptance接受perform→performance履行resist→resistance抵制insure→insurance保险assist→assistance帮助tolerate→tolerance容忍(2)-tion,-sion结尾的名词introduce→introduction介绍describe→description描述interrupt→interruption打断direct→direction方向,指导connect→connection连接starve→starvation挨饿realize→realization实现,领悟invite→invitation邀请produce→production生产reduce→reduction减少adopt→adoption采纳;收养prevent→prevention防止receive→reception接收;接待处suggest→suggestion建议edit→edition编辑,版本exhibit→exhibition展览intend→intention打算,意图recognize→recognition认出protect→protection保护instruct→instruction指令construct→construction建设reject→rejection驳斥object→objection反对-2-