《重点单词讲解》PPT课件.ppt

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1、Unit 1 Friendship,Period 1Words and expressions,add up 合计，加起来 add up to 加起来是；结果是 add to 把加到上 add to 增加，促进翻译：1.大雨增加了我们的困难。The heavy rain add to our difficulty.2.吃之前，往菜里加点盐。Before eating,add some salt to the dish,3.Please add up all the figures.4.All the figures add up to 100,ignore,点拨 ignore主要用作及物动词，

2、意为“忽视；忽略；不理睬”。联想 ignorant adj.无知的 ignorance n.无知；不了解 拓展 be ignorant of/about.对不了解，不知道,have to和 have got to,1,在表示一次性动作时,have to和 have got to 是可以互换的2,但是,当表示习惯性动作时,尤其是当句中含有表示经常性的副词(如always,often,sometimes等)时,则应使用have to,而不使用have got to:I dont usually have to work on Sundays.通常我再星期天不必工作。3,have to 与 have

3、 got to 的另一区别,就是后者不大用于过去时。They didnt have to worry about money.他们那时不必为金钱而操心。4,最后一个区别,就是have to 前可加助动词或情态动词,或者用在进行体和完成体结构中,而have got to却不能:I shall have to help him as much as I can.我将不得不尽我所能去帮助他。He may have to cancel his plan.他也许不得不取消这个计划。,concerned adj.担心的；忧虑的；关切的；1.be concerned about/for/with(关心，担心

4、)e.g:He called the police because he was concerned for/about his sons safety.2.show concern about for 关心，挂念 3.as far as I am concerned 就我而言,Every day the man _ _ the amount of the money he cost.,sets down,树立，建立出发，动身 开始，着手,set up,set out/off,set about,a series of 一连串的，一系列的,e.g.这个学生总是问他老师 一连串的问题。,The

5、student always asks his teacher _.,a series of questions,series 单复同形，作主语时谓语动词根据 series 单复数概念决定，不根据 of 后的名词决定。,1.A series of lectures _ scheduled.2.Two series of new stamps _ come out.,is,have,I didnt hurt your pride _ _.,on purpose,He runs everyday _ _ _ _ weight.,in order to,lose,in order to doso a

6、s to do,So as to get a better job,he went abroadfor further study.In order to get a better job,he wentabroad for further study.He went abroad for further study in order to get a better job.He went abroad for further study so asto get a better job.,so as to 只能用于句中in order to 可以用于句首或句中,power,strength，

7、force，energy 的区别power:基本意思是“力，力量”，指人或国家甚至是某个机构的权力、势力或影响力。strength:说人时，指“体力，力气”；说物时，指“强度”。也可指“强项，长处”。force:主要指强制力量，暴力，武力等。energy:主要指人的精力。,-You are always full of _.Can you tell me the secret?-Taking plenty of exercise every day.A.powerB.strength C.forceD.energy,His boss is talking to him face to face

8、.,e.g.His boss is having a face-to-face talk with him.,no longer与no more的意义区别,1.no longer中的longer是副词long的比较级，long有after a certain point of time（在某一时刻以后）之意，着重表示时间的不再延续，意为如今不再。no longer等于not.any longer。2.no more中的more是many/much的比较级，more有again之意，着重表示数量或程度的减少，意为再也没有更多（大）的数量（程度）。no more等于not.any more。no

9、longer修饰延续性动词，如teach,live,work等，表示动作不再延续；no more修饰非延续性动词，如come,go,make(the same mistake)等，表示动作不再次发生。,He no longer lives here.=He doesnt live here any longer.他不在这儿居住了。(一个时间以前他住在这儿，过了这个时间，他就离开了。)后者侧重程度和数量，比如：You can drink no more.=You cant drink any more.你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。),suffer（vt.）遭受，蒙受；

10、忍受，忍耐（vi.）受苦，苦恼，遭受损失suffer from 苦于；忍受的痛；患病suffer后面接pain,loss,punishment,defeat,setback这些名词suffer/experience pain 经历痛苦suffer/experience defeat 遭受失败suffer from 后面接疾病。或者接cold，hunger，loneliness,overpopulation,lack of labour,agree,agree to do sth.同意做某事 agree to+a(an)plan/arrangement/suggestion/proposal a

11、gree on/upon 对达成协议或取得一致意见 agree with sb./sb.s idea/opinionwhat sb.Says同意某人的意见，看法，说法 agree+that 从句,Join,Join：加入某党派、某组织或某社会团体，用join，不可用join in。join the army 如说“与其人一起做某事”，则用join sb.(in sth./doing sth.)。take part in参加(群众性活动、会议等)，往往指参加者持积极态度起一份作用。attend是正式用语，及物动词，指参加会议，婚礼，葬礼，典礼；去上课，上学，听报告等。句子的主语只是去听，去看，自己不一定起积极作用。,She _ the Young Pioneers I _ his lecture.Well _ social practice during the summer vacation.,