高考总复习：高二重点词汇二师.doc

高考总复习：高二重点词汇二 重点词汇 ssist 【点拨】assist vi. vt. n．帮助；援助；协助assist sb. with sth.　 帮助某人做某事assist at/in sth.　 参加某事物We all assisted in mending the roof.　 我们都帮助修理屋顶。assist sb. in doing sth. /to do sth.　 帮助某人做某事We asked him to assist us in designing a new bridge.　 我们请他帮助我们设计一座新桥。The students assisted the professor in doing the experiment.　 学生们协助教授做实验。with the assistance of　 在……的帮助下He can walk only with the assistance of crutches.　 他只能靠一副拐杖走路。come to sb.’s assistance　 帮助某人Despite his cries, no one came to his assistance.　 尽管他喊叫，却没有人来帮助他。【拓展】assistance n．援助；帮助；补助assistant n．助手；助理 adj.辅助的；助理的 concentrate 【点拨】concentrate vt. 集中；全神贯注　concentrate (sth.) on (doing) sth.　 集中于；专心于……　be concentrated in/on/upon sth.　 集中于，专心于　　He concentrated on the study of English.　 他把重点放在英语学习上。　　Our population is concentrated in the big cities.　 我国人口集中在大城市里。　concentrate one’s attention/efforts/thoughts on...　 把注意力/努力/思想集中到……　　We should concentrate all our effort on improving education.我们应该致力于改进教育工作。　　concentration n.　 专心；专注【拓展】下列短语和concentrate近义，短语中in, to 都是介词，后接名词或动名词。　focus/fix one’s attention on...　 集中注意力于……　put one’s mind/heart in (into)　 专心于……　be absorbed in...　 一心一意于……　apply oneself/one’s mind to...　 专心于……　pay attention to 　专心，注意…… inform 【点拨】inform vt.　 告知；通知　inform sb. of/about sth.　 告知某人某事　　Please inform us of any change of address as soon as possible.　 地址如有变更请尽快通知我们。　inform sb. (that)...　 通知某人　　We regret to inform you that your application has been rejected.　　　我们很遗憾地通知你，你的申请未被接受。　keep sb. informed　 使某人随时了解必威体育精装版情况　　Please keep me fully informed of any developments.　 事态如有发展，请向我提供详情。【拓展】informed adj.　 了解情况的；见识广的 case 【点拨】case n. 情况；病例；案例　in case of...　 假使……，万一……　in case 　以防，万一　in any case 　无论如何，总之　in this/that case 　如果这样/那样的话，在这种/那种情况下　in no case 　决不　in the case of　就……来说　as is often the case 　这是常有的事　as the case may/might be 　看情况，视情况而定　　In some cases people have had to wait several weeks for an appointment.　　在某些情况下，人们必须等上几周才能得到约见。　　The case will be heard nex