精选优质文档-倾情为你奉上高中英语必修一 Unit5课本单元讲解（人教版）Unit5 Nelson Mandelaa modern hero知识点详解. 常考单词必背1qualityn质量；品质；性质Wine of high quality costs more than that of poor quality.优质酒比劣质酒花费多。快速闪记(1)of high/good quality 优质的of low/poor quality 劣质的in quality 在质量上(2)形近意异词：quantityn数量；大量2meanadj. 吝啬的；自私的；卑鄙的v. 意思是；意欲，打算；意味着Dont be so mean to your little brother!别对你弟弟那么刻薄！快速闪记(1)be mean to sb 对某人刻薄mean to do sth 打算做某事mean doing 意味着be meant for 为而准备的be meant t
