Unit 4 Starting out and Understanding ideas 词汇（ppt课件）-2022新外研版（2019）《高中英语》选择性必修第二册.pptx

1、版本：新外研版本：新外研单元：选择性必修二单元：选择性必修二 Unit 4(Starting out Understanding ideas)单单词词课课堂堂1.boundary bound(限制范围、界限)+-ary(名词后缀)；词块：national boundaries2.statistic和 state(国家)同源，来自拉丁语 statisticus(有关国家事务的)，被一名德国政治学家用来指“国家事务的统计数据”，后来演变为指一般的“统计数据”。3.assistas-(to 到)+sist(to stand)站到某人身边 帮助；协助assist 是正式用语，对应 help同根词：re

2、sist；派生词：assistance,assistant词块：assist(sb)in/with sth,assist sb in doing sth4.tackle 近义词：deal with5.vitalvit(life 生命)+-al(的)生命攸关的 至关重要的同根词：survive,vitamin词块：it is vital(for sb)to do sth,be vital to(doing)sth本单元词汇梳理本单元词汇梳理bat com-(with 和一起)+bat(to beat 打)与战斗 防止；抑制同根词：debate,battle7.relievere-(表示强调)+l

3、iev(to lighten 减轻)+-e 减轻；缓解熟词生义：给(某人)换班派生词：relief,relieved8.specialistspecial(专门的)+-ist(从事的人)近义词：expert9.infectious&disinfectinfectious：infect(v 传染、感染)+-ous(形容词后缀)disinfect：dis-(不、非)+infect(v 传染、感染)防止传染、感染 为消毒；给杀菌词族：infect,infection,infectious,infected,disinfect10.outbreak 合成词：out+break短语动词：break ou

4、t11.devotiondevote(v 献身于)+-ion(名词后缀)词块：devotion to词族：devote,devoted,devotion12.miracle意为“奇迹”时为非正式用语(对应 wonder)词块：work/perform a miracle13.twin词源同(two 二)，引申词义“成双的、成对的”，后用于指“双胞胎”pensate 词块：compensate for(近义词：make up for)15.collaborate col-(with 和一起)+labor(to work 工作)和一起工作 合作；协作16.mankind 合成词：man+kind

5、人的种类 人类assist重重难难点点词词精精讲讲vital辨析义辨析义英语释义英语释义常用复数常用复数的名词的名词assistIf parents have children _（帮助）housework,the children will feel needed.help with高考链接高考链接assist withassist是正式用语是正式用语assist vt&vi正式用语帮助；协助：正式用语帮助；协助：Were looking for people who would be willing to assist in/with the groups work.I swam to D

6、ad quickly and assisted him in climbing/to climb onto the boat.构词：构词：as-(to 到)+sist(to stand)站到某人身边 帮助；协助assist,help,aid析析辨辨三者都有三者都有“帮助帮助”之意，但侧重点有所不同。之意，但侧重点有所不同。assist是正式用语，侧重是正式用语，侧重“协助协助”“”“助理助理”，受助者自己要做大，受助者自己要做大部分工作。部分工作。A nurse assisted the surgeon during the operation.help指给予各方面帮助。指给予各方面帮助。I

7、will help you(to)finish the housework.aid指用金钱、物资等指用金钱、物资等“援助援助”他人，强调帮助受助者脱离困难。他人，强调帮助受助者脱离困难。She is always aiding the student with money.【温故温故】必修三必修三 Unit 2assistance n U 帮助；协助；援助：帮助；协助；援助：medical/technical assistance give/offer/provide assistance to sb With the assistance of his brother,he sold one

8、 painting.Can we be of assistance(=can we help you)in any way?【词汇拓展】【词汇拓展】assistant n C 助手；副手；助理；店员：助手；副手；助理；店员：a teaching/shop assistant adj 助理的；辅助的助理的；辅助的 having a rank below a senior person and helping them in their work：an assistant managervital高考链接高考链接翻译句子。翻译句子。阅读是我生活中极其重要的一部分。（阅读是我生活中极其重要的一部分。

9、（2019 天津）天津）_Reading is a very important part of my life.an essential parta vital partvital R2 adj 至关重要的至关重要的 very important or necessary(essential)：of vital importance(=very important)Consideration for other people is vital to all of us.Whats worse,some drivers do not think it vital to obey traffic

10、 rules.江苏书面表达改Reading is a vital part of my life.2019 天津vital构词：构词：vit(life 生命)+-al(的)生命攸关的 至关重要的词根词根前缀前缀/后缀后缀单词单词派生词派生词 vit(life)-al（的）vital adj 生命的；至关重要的vitality n 活力；生气vitalize v 赋予生命；使有生机devitalize v 夺去的生命/活力revitalize v 使恢复元气；使复活-amina(e)（物质）vitamin(e)n 维生素/vit词根词根常用复数形式的名词常用复数形式的名词在空白处填入括号内单词的

11、正确形式。在空白处填入括号内单词的正确形式。1._(statistic)show that people who failed at school didnt end up failing in life.2.If you like to stay by the river,River Festival will offer you a day of fun on the river bank,followed by _(firework)in the evening.3.Dr Green,_(congratulation)on the success of your new book.4.W

12、hen he was finished,he climbed to the top of the _(stair)and reached to turn off the lights.Statisticscongratulationsfireworksstairs5.When planning Encyclopedia Britannica,I had to create a table of _(content)based on the topics of its articles.6.On his desk is a mass of books and _(paper).7.The gov

13、ernment has taken measures to bring down the high prices of daily _(good)to keep the market stable.8.Police officers in the UK do not usually carry _(arm).contentspapersgoodsarms在英语中，有些名词习惯以复数形式出现，不用单数形式，此时，其意义发生了变化。本单元金句汇总本单元金句汇总1.I swam to Dad quickly and assisted him in climbing/to climb onto the

14、 boat.2.With the assistance of his brother,he sold one painting.3.Whats worse,some drivers do not think it vital to obey traffic rules.随堂检测随堂检测assist在空白处填入在空白处填入1个适当的单词或括号内单词的正确形式。个适当的单词或括号内单词的正确形式。1.He assists her _ cooking matters.（2018 全国）2.He assisted the old man _(fill)in the forms.3.Two men ar

15、e assisting the police _ their enquiries（调查）.4.You will be employed to assist _ the development of new equipment.5.The doctor shares his phone number with the patients in case they need medical _(assist).（2019 江苏）into fill in/within/withassistancevital翻译下列句子翻译下列句子。1.你的支持对我的计划能否成功关系重大。Your support _

16、the success of my plan.2.氧是生命所必不可少的。_3.重要的是孩子们要受到良好的教育。_ children receive good education.4.在这份工作中有幽默感是至关重要的。_ a sense of humor in this job.5.运气对朱迪的生存起着至关重要的作用。Luck _ in Judys survival.is vital for Oxygen is vital to life.Its vital to have It is vital that plays a vital role 随堂检测随堂检测根据句意写出画线部分的汉语释义。根

17、据句意写出画线部分的汉语释义。1.She cast a welcoming smile in his direction._ 2.The setting sun cast an orange glow over the mountains._3.This latest evidence casts serious doubt on his version of events._4.Some way from them,the fisherman cast his line._ 5.The play is being cast in both the US and Britain._ 向向投以微

18、笑投以微笑投射（光）投射（光）使人怀疑使人怀疑分配分配/选派角色选派角色投投/抛（钓线）抛（钓线）castmount根据句意写出画线部分的汉语释义。根据句意写出画线部分的汉语释义。1.He mounted the horse and rode off._2.His debts continued to mount up._3.He mounted the platform and addressed the crowd._4.Mount Everest is the highest mount in the world._ 5.We mounted an exhibition of recen

19、t books._ 6.Social problems in modern society are mounting._骑上骑上逐渐增加逐渐增加登上登上安排安排/组织开展组织开展山峰山峰逐渐增加逐渐增加一、一、根据句意写出画线词的汉语释义。根据句意写出画线词的汉语释义。1.The circle is divided into sections,and each section represents a fraction of the data._2.30 divided by 6 is 5._3.Google Video is a division of Google and is part

20、of the same corporate entity._4.In groups discuss what the possible work division was between men and women._5.The narrowness of the governments victory reflected deep division within the Party._除除division分割分割 /划分划分部门部门分工分工 /分配分配分歧分歧二、翻译下列句子二、翻译下列句子。1.这笔钱你们六个人分。_2.The football team moved up to the f

21、irst division after winning all its games._Divide the money among the six of you.赢得所有比赛后，这个足球队荣升甲级队。以足球运动为中心的地区性足球俱乐部的比赛，称为足球联赛。足球超级联赛地区最高级别的职业足球联赛，甲级联赛是第二级别的足球职业联赛，乙级联赛是第三级别的足球联赛。根据所给汉语及提示，用适当的词块完成下列句子。根据所给汉语及提示，用适当的词块完成下列句子。1._（可以自由选择）is one reason more people like to eat alone.2._（言论自由）is a basic

22、 human right.3.You are _（自由地）to use the laboratory.freedom&libertyFreedom of speechFreedom to chooseat liberty二、在空白处填入括号内单词的正确形式。二、在空白处填入括号内单词的正确形式。1.Most _(employ)do care about the personal appearances of their _(employ),because those people represent the companies to their customers.2.It was from

23、only a few supplies that she had bought in the village that the _(host)cooked such a nice dinner.3.The _(assist)noticed my nervousness and placed her warm hand over my ice-cold one.employersemployeeshostessassistant正式用语与非正式用语正式用语与非正式用语Informal/Neutral（中性）Formal帮助我的同学_ my classmate_ my classmate有自由做某

24、事be free to do sthbe _ to do sth无法忍受痛苦cant bear the paincant _ the pain爬上楼梯 go up the stairs_ the stairs创造奇迹 do/perform _ do/work wondershelpassistat libertyenduremountmiracles学习词汇时要了解它使用的文体和场景，避免日常交流和书面表达时因为用词不恰当、不得体导致交际失败。行为抽象名词行为抽象名词vdevotedivideassistarriverecoverrelieven_A.写出所给单词的名词形式。写出所给单词的名词

25、形式。B.用用 A 中抽象名词的词块完成下列句子，体会英汉表达差异。中抽象名词的词块完成下列句子，体会英汉表达差异。1.Whats the problem?Can I _（帮忙）?2._（一到达）,Jimmy found a long line of applicants waiting to be interviewed.3.He has now _（痊愈）from his suffering.4.Seeing their daughter and dog coming back,the parents burst into _（宽慰的泪水）.5.She was responsible fo

26、r _（将这本小说改编）into a stage play.devotiondivisionassistancearrivalrecoveryreliefbe of any assistanceUpon arrivalmade a full recoverytears of reliefthe adaptation of the novel由动词派生而来的抽象名词叫做行为抽象名词；行为抽象名词翻译成汉语时，可以通过其动词的释义来帮助理解，常译成汉语的动词。本单元金句汇总本单元金句汇总1.He cast a look at the woman.2.Nothing is particularly hard if you divide it into small jobs.3.Division of opinion among themselves contributed to their defeat.4.Youre at liberty to say what you like.谢谢谢谢观观赏赏