UNIT 5 LANGUAGES AROUND THE WORLDSection Ⅳ 单元要点复习Ⅰ.重点单词1.attitude n.态度;看法an attitude to/toward(s)...对……的态度take a(n) ... attitude 采取……态度2.based adj.以(某事)为基础的;以……为重要部分(或特征)的base vt.以……为据点;以……为基础 n.底部;根据base sth. on/upon sth.以……为基础(或根据)be based on...建立在……的基础上base sb./sth./oneself in 以……为据点(或总部等);把(总部等)设在……the base of a column/glass/pyramid 柱基/玻璃杯底/金字塔底座a military/naval base 军事/海军基地3.variety n.(植物、语言等的)变体;异体;多样化the variety of……的种类(作主语时,谓语用单数)a variety of/varieties of 各种各样的……(作主语时,谓语常用复数)vary vi. & vt.相异;改变various adj.不同的;各种各样的vary in 在某方面不同vary from 不同于vary from...to.../between...and...从……到……不等;在……和……之间变化vary with/according to 随……变化而变化4.major adj.主要的;重要的;大的 n.主修课程;主修学生vi.主修;专门研究major in 主修majority n.大多数;大半in the majority 占多数minority n.少数;少数民族;未成年in the minority 占少数5.means n.方式;方法;途径by all means 务必,不惜一切地;当然可以,没问题(用于交际英语表示同意)by any means 无论如何by no means 绝不;一点也不(用于句首时引起部分倒装)by this/these means 用这种/这些办法by means of 依靠……方法,借助……手段6.regard n.尊重;关注 vt.把……视为;看待as regards =with (in) regard to 关于;至于7.appreciate vt.欣赏;重视;感激;领会 vi.增值appreciation n.欣赏;感激appreciate sth. 感激某事appreciate one/one's doing sth.感激某人做某事I would appreciate it if... 如果……我将不胜感激。8.struggle n.&vi.斗争;奋斗;搏斗struggle to do sth.努力去做某事struggle with/against...同……做斗争struggle for sth.为某事而努力struggle on 挣扎着坚持下去struggle to one's feet 挣扎着站起来9.equal n.同等的人;相等物 adj.相同的;同样的be equal to+n./doing sth.等于;与……相等;有……的能力(勇气、力量...