高中英语外研版 (2019)选择性必修 第二册Unit 4 Breaking boundaries背景图ppt课件

这是一份高中英语外研版 (2019)选择性必修 第二册Unit 4 Breaking boundaries背景图ppt课件，共43页。PPT课件主要包含了assist，help with，高考链接，词汇拓展，正式用语与非正式用语，priority，vital，vital词源解读，vit词根，cast等内容，欢迎下载使用。
表示身份或职业的名词后缀
If parents have children ____________（帮助）husewrk, the children will feel needed.（2013 安徽）
assist with
assist是正式用语
assist vt & vi［正式用语］帮助；协助：We’re lking fr peple wh wuld be willing t assist in / with the grup’s wrk. I swam t Dad quickly and assisted him in climbing / t climb nt the bat. 2011 重庆改
assist, help, aid
三者都有“帮助”之意，但侧重点有所不同。assist是正式用语，侧重“协助”“助理”，受助者自己要做大部分工作。• A nurse assisted the surgen during the peratin.help指给予各方面帮助。• I will help yu (t) finish the husewrk. aid指用金钱、物资等“援助”他人，强调帮助受助者脱离困难。• She is always aiding the student with mney.
assistance n [U] 帮助；协助；援助：medical / technical assistance give / ffer / prvide assistance t sb With the assistance f his brther, he sld ne painting.Can we be f assistance (= can we help yu) in any way? assistant ■ n [C] 助手；副手；助理；店员：a teaching / shp assistant ■ adj 助理的；辅助的 having a rank belw a senir persn and helping them in their wrk：an assistant manager
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。
去日本旅游时，搭乘地铁或电车，会发现每节车厢设都有Pririty Seat / Seating (优先席)，类似于国内的“爱心座位”，即优先让老、弱、病、残、孕使用的座位。
pririty R1 n [C] 优先事项 sth that is mre imprtant r that yu must d befre anything else：Educatin is a tp pririty. Nwadays the pririty fr travelling is shifted frm shpping t fd and scenery. 2019 江苏 [U] 优先权：Club members will be given pririty.
高考链接翻译句子。阅读是我生活中极其重要的一部分。（2019 天津）________________________________________
Reading is a very imprtant part f my life.
an essential part
a vital part
vital R2 adj 至关重要的 very imprtant r necessary (essential)：f vital imprtance (= very imprtant)Cnsideratin fr ther peple is vital t all f us.What’s wrse, sme drivers d nt think it vital t bey traffic rules. 2015 江苏书面表达改Reading is a vital part f my life. 2019 天津
vital 词源义是“f r belnging t life” , 来自 vita “life”，即与生命相关、生死攸关，引申为“至关重要的”。
谈论影片的时候我们经常会说某部影片“卡司强大”，这里的“卡司”是英语cast的中文音译，意思是演员阵容。
cast的基本义是“扔、投掷”，衍生出了大量外围的含义，如：“浇铸”（把融化的铁水“扔”到模具里）、“钓鱼”（把钓钩“扔”出去）、“计算、加”（扔石子来计算）、“演员阵容”（把演员“扔”到舞台上）等。
cast R1■ (cast, cast) vt  投；扔；抛；撒；掷：The fisherman cast his net int the water. 投射（光、影、视线等）：cast a shadw n the wallHe cast a lk at the wman.
“扔”具体的某物到某处
“扔”光线、视线于某物
 为（戏剧、角色）选派演员：Music talents frm many different cuntries were cast. 投票：Peple nt nly cast n-line vtes themselves, but als urge thers t vte fr cmpetitins. 2016 江苏书面表达
■ n [C] 投；抛：He caught a fish at his secnd cast.  全体演员：an all-star cast
(be) cast dwn [不用于名词前] 沮丧的
扔cast v（基本义）
投射（光、影、视线等）
为（戏剧、角色）选派演员
词组习语：cast a glance 一瞥 cast an actr in a play 为某戏剧选演员 cast a mvie 为电影选角 casting directr 选角导演 cast sb as 将某人描绘为
telecast：televisin + (brad) cast 电视广播 newscast：news + (brad) cast 新闻广播sprtscast ／ sprtcast：sprt + (brad) cast 播送体育节目
■ n（缩写为Mt）［用于山名前，其前不用冠词］山；峰：Munt Everest / Munt Tai■ v vt & vi［正式用语］爬（上）；骑（上）：I munted the steps and lked arund me slwly. vt 组织；安排 (arrange)：munt a prtest / an exhibitin  vi 逐步增加
munt的词源义是 “t get n a hrse” ，攀上马背，引申为“上升”。munt的基本义是“上升”，与amunt是同源词。
D yu knw hw t d math in English?
add vadditin n
subtract vsubtractin n
multiply vmultiplicatin n
divide vdivisin n
divide v vi & vt 分开；划分；分割；分配：Husehld waste can be rughly divided int fd waste, nn-recyclable waste and recyclable waste.
将某物“分开”成部分， 即为“划分”“分割”；将某物“分开” 给到不同的人，即为“分配”。
Nthing is particularly hard if yu divide it int small jbs. As the wrk can be divided amng several peple, it can be dne efficiently. 2008 浙江
 vi & vt （被）除（尽）；把……作除数：Ten divided by tw equals five. 8 divides int 64.
将数字“分开”，即为“（被）除（尽）；把……作除数”。
 vt 使产生分歧：We can achieve a lt when we learn t let ur difference unite, rather than divide us. 2016 浙江
意见、观点上“分开”，即为“使产生分歧”。
divide 通常指把整体分为若干部分。其后常接介词int。The wrld is divided int seven cntinents. 整体 若干部分separate 通常指把原来连在一起或靠近在一起的个体分隔开。其后常接介词frm。She desn’t want t be separated frm him.个体 个体
divide & separate：均可表示“分开”
divide语义网络图
分开divide（基本义）
将某物“分开”成部分或“分开”给到不同的人
分开；划分；分割；分配
使意见、观点上“分开”
（被）除（尽）；把……作除数
divisin R1 n [U] & [C] [单数] 分；分开；分配：In grups discuss what the pssible wrk divisin was between men and wmen.
对应divide的释义“分开；划分；分割；分配”
 [C] 分界线；部分；部门
 [C] & [U] 分裂；分歧；差异：Divisin f pinin amng themselves cntributed t their defeat.
对应divide的释义“使产生分歧”
 [U] 除（法）：30 divided by 5 is a simple divisin.
对应divide的释义“（被）除（尽）；把……作除数”
A. 写出所给单词的名词形式。
B. 用 A 中抽象名词的词块完成下列句子，体会英汉表达差异。1. What’s the prblem? Can I _________________（帮忙）?2. _________________ （一到达）, Jimmy fund a lng line f applicants waiting t be interviewed.（2013 山东）3. He has nw _________________（痊愈）frm his suffering.（2014 四川）4. Seeing their daughter and dg cming back, the parents burst int _________________（宽慰的泪水）.（2012 陕西）
be f any assistance
Upn arrival
made a full recvery
tears f relief
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。
在空白处填入括号内单词的正确形式。1. __________ (statistic) shw that peple wh failed at schl didn’t end up failing in life. 2. If yu like t stay by the river, River Festival will ffer yu a day f fun n the river bank, fllwed by __________ (firewrk) in the evening.（2009 北京）3. Dr Green, _______________ (cngratulatin) n the success f yur new bk.（2015 浙江）4. When he was finished, he climbed t the tp f the __________ (stair) and reached t turn ff the lights.（2012 辽宁）
cngratulatins
5. When planning Encyclpedia Britannica, I had t create a table f __________ (cntent) based n the tpics f its articles.（2016 天津）
6. On his desk is a mass f bks and __________ (paper).7. The gvernment has taken measures t bring dwn the high prices f daily __________ (gd) t keep the market stable.（2011 湖北）8. Plice fficers in the UK d nt usually carry __________ (arm).
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。
常见的表示身份或职业的名词后缀有：-er / -r, -ess（表示女性）, -ist（表示信仰者、专家或从事某活动的人）, -er / -ee（表示动作的实施者与承受者）, -ian（表示精通某行业的人）, -ese（表示某个地方或国家的人）, -ant 等。
一、将所给词加上表示身份或职业的名词后缀，并写出其汉语释义。
assist → _________ ________ cmmune → _________ _________ library → _________ ________ educate → _________ _________ histry → _________ _________ China → _________ _________ direct → _________ _________ act → _________ _________
二、在空白处填入括号内单词的正确形式。1. Mst ____________ (emply) d care abut the persnal appearances f their ____________ (emply), because thse peple represent the cmpanies t their custmers.（2012 陕西）2. It was frm nly a few supplies that she had bught in the village that the ____________ (hst) cked such a nice dinner.（2010 安徽）3. The ____________ (assist) nticed my nervusness and placed her warm hand ver my ice-cld ne.（2013 重庆）
在空白处填入1个适当的单词或括号内单词的正确形式。1. He assists her ___________ cking matters.（2018 全国） 2. He assisted the ld man ___________ (fill) in the frms.3. Tw men are assisting the plice ___________ their enquiries.4. Yu will be emplyed t assist __________ the develpment f new equipment.5. The dctr shares his phne number with the patients in case they need medical __________ (assist).（2019 江苏）
一、在空白处填入1个适当的单词或括号内单词的正确形式。1. Husewrk is lw n her list f __________ (pririty).2. The search fr a new vaccine（疫苗）will take pririty __________ all ther medical research. 二、根据所给汉语，完成句子。1. The develpment f the natinal ecnmy is a(n) _______________（当务之急）.2. The gvernment is giving ______________ t industrial develpment.3. Our _______________（头等大事）is t maintain the custmer’s cnfidence in ur prduct.4. Vehicles cming frm the right _______________（有优先权）.
first pririty
have pririty
high pririty
翻译下列句子。1. 你的支持对我的计划能否成功关系重大。Yur supprt ________________ the success f 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 gd educatin.4. 在这份工作中有幽默感是至关重要的。________________ a sense f humr in this jb.5. 运气对朱迪的生存起着至关重要的作用。（2015 陕西）Luck ________________ in Judy’s survival.
is vital fr
Oxygen is vital t life.
It’s vital t have
It is vital that
plays a vital rle
根据句意写出画线部分的汉语释义。1. She cast a welcming smile in his directin. __________2. The setting sun cast an range glw ver the muntains. __________3. This latest evidence casts serius dubt n his versin f events. __________4. Sme way frm them, the fisherman cast his line. __________ 6. The play is being cast in bth the US and Britain. __________ 7. He cast himself as the inncent victim f a hate campaign. __________8. Our dr kncker is cast in slid brass（黄铜）. __________
根据句意写出画线部分的汉语释义。1. He munted the hrse and rde ff. __________2. His debts cntinued t munt up. __________3. He munted the platfrm and addressed the crwd.__________4. Munt Everest is the highest munt in the wrld. __________ 6. We munted an exhibitin f recent bks. __________ 7. Scial prblems in mdern sciety are munting. __________
一、根据句意写出画线词的汉语释义。1. The circle is divided int sectins, and each sectin represents a fractin f the data. __________2. 30 divided by 6 is 5. __________3. Ggle Vide is a divisin f Ggle and is part f the same crprate entity. __________4. In grups discuss what the pssible wrk divisin was between men and wmen. __________5. The narrwness f the gvernment’s victry reflected deep divisin within the Party. __________
二、翻译下列句子。1. 这笔钱你们六个人分。_____________________________________________2. The ftball team mved up t the first divisin after winning all its games. _____________________________________________
Divide the mney amng the six f yu.
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。