2026届高考英语一轮总复习选择性必修第二册Unit4Breakingboundaries课件外研版

这是一份2026届高考英语一轮总复习选择性必修第二册Unit4Breakingboundaries课件外研版，共60页。PPT课件主要包含了specialist，volunteers，clinic，to assist ，it ， to ，rewarding，which，mankind ，harmonious等内容，欢迎下载使用。
(主题语境类型：人与社会；话题：跨文化沟通，包容与合作；话题涉及教材其他内容：必修第二册 Unit 6 Earth first；必修第三册 Unit 4 Amazing art；选择性必修第四册 Unit 3 The wrld meets China)
晨背短文 • 语境记词
必备知识 • 巧记活用
核心考点 • 讲练提升
关键能力 • 对点习得
核心素养 • 双写培优
晨背短文 • 语境记词
根据汉语提示或所提供的单词完成语篇，核对答案并背诵，以此串联高中3000＋词！(黑体部分是本单元词汇)。Emma, 1. Canadian 2. (special) in infectius diseases, returns t 3. (平民的生活) after leaving the army and ften nbly 4. (vlunteer) t g t the 5. (诊所) in villages 6. (assist) peple in need. She thinks 7. is vital t stress the imprtance f disinfecting the rm, clthing and s n frm time t time. In a wrd, her devtin 8. the jb leaves her with very little free time. But she regards it a 9. (reward) and meaningful jb. In the meanwhile, she insists
civilian life
that everyne shuld desire health and happiness, 10. is extremely imprtant t the destiny f 11. (人类) as well. I 12. (完全) agree with her. Abve all, she calls n the peple f all cuntries t make 13.____________(共同努力) and a fair divisin f resurces, and especially t raise cncerns abut civil liberties in rder t create a mre 14.___________(harmny) and understanding wrld, which is a 15._______ (现实的；能够实现的) hpe fr all peple instead f the 16. (minr). Eventually, I want t say she is 17. (abslute) an influential figure.
jint effrts
Ⅰ.阅读词汇——我会认1．statistic n.__________ 2．cmrade n._____________ 3．tragic adj._________________ 4．clinic n._________________ 5．disinfect v.___________ 6．utbreak n._______________
7．vmit n._________ 8．miracle n._____________________ 9．ward n.______ 10．cmpensate v.____________ 11．mutual adj._______________ 12．munt v.____________ 13．slave n._____ 14．unin n.__________ 15．civilian adj.________________
16．cnceive v.____________ 17．liberty n._______ 18．dedicate v._______________ 19．endure v.___________ 20．battlefield n.______ 21．prtin n．___________ 22．hallw v._____________ 23．perish v._______ 24．cmmunist adj.____________
Ⅱ.重点单词——我会写1. n．分界线；边界2. v．处理，对付(难题)3. adj.极其重要的4. adj.双胞胎的5. n．人类6. v．选派(角色)7. adj.联合的，共同的8. adj.公民的，国民的9. adv.完全
单词拼写1．(2024·新课标全国Ⅰ卷) Habitat Restratin Team vlunteers play a_____ (极其重要的) rle in restring sensitive resurces and prtecting endangered species acrss the ridges and valleys.2．(2023·浙江卷) Hw many hurs f class will yu have (总共) if yu register fr a single week?3．Whever finds a cure fr cancer will make a great cntributin t ur_________(人类).
4．The play is being (选派) in bth the US and Britain.5．I believe with ur (共同的) effrts, yu will becme healthy and achieve nrmalized bdy weight.6．Scientists cntinue t push back the (边界) f human knwledge.Ⅲ.拓展单词——我会变1. v．协助，帮助→ n．帮助→ n．助手，助理；管理员
2. v．给(某人)换班；使减轻；缓解→ n．(痛苦或忧虑的)减轻或解除；减轻痛苦的事物3. n. 专家→ vi.专攻；专门从事；专注于→_______ adj.专门的4. adj.传染性的→ vt. 感染，传染→ n. 感染，传染5. n．奉献→ vt. 致力于；奉献→ adj. 献身的；忠诚的
specialist
specialize
6. adj. (目标、希望)能够实现的→ n. 真实；现实；逼真→ vt. 领悟；了解；实现；实行→ adj.真实的；实际的7. n．少数派，少数→ adj. 较小的；次要的→ n. (反义词)多数8. adj.包容广阔的→ vt. 包括→ n. 包括；包含9. adj.和睦的，融洽的→ n.和谐，协调，融洽
realise/realize
10. adj.值得做的，有意义的→ n．报酬，奖金 vt.酬劳，奖赏11. n．分歧，分裂→ v．分开；分割；划分12. adv.高尚地，崇高地→ adj.高尚的13. adj.有影响力的→ vt.影响 n．影响；作用
influential
influence
[语境活用]——用所给词的适当形式填空1．Tm is an teacher in the cllege wh ften the students with their prblems and gives them when they are in need. (assist)2. He in riental histry, in ther wrds, he is an histry ．(special)3. In ， I have that I must stp daydreaming and be ．(realise)
specializes
4. There are 55 ethnic in ur cuntry and there are sme_____ differences between them. (minrity)5. Few peple are able t themselves fully t their careers. Once they are t them, their must bring them a big success. (devte)6. Only if peple live in with each ther can we have a________ sciety. (harmnius)7. She’s very gd at making friends and peple, s she has a great n me and I like this girl. (influence)
influencing
influence
influential
8. The candies were ut amng all the kids, but they culd nt agree upn the f them. (divide)Ⅳ.重点短语——我牢记1. 处于危险中2. 放弃3. 号召4. 发生5. 写下6. 白白地
take place
7. 心存侥幸，冒险 8. 被困在……中，被卷入……中9. 更不用说 10. 为了纪念 11. 以巨大的代价 12. 使产生，使出现
take any chances
be caught up in
nt t mentin
in memry f
at a great lss
bring frth
[语境活用]——选用上述短语填空1．Our effrts were nt ； We didn't waste ur energy. 2．Their lack f training culd put members f the public ．3．This sng is used t the peple t take up struggle.4．He his imprtant thughts in his diary.5．Wear yur safety helmet when yu g dwn. Dn't ．6．They either try their best t smking r advise thers nt t smke any lnger.
take any chances
1.以“­ic”结尾的形容词＋“ally”构成副词①tragic adj.悲惨的→tragically adv.悲惨地②histric adj.历史性的→histrically adv.历史地③electric adj.电动的→electrically adv.用电地④scientific adj.科学的→scientifically adv.科学地⑤energetic adj.精力充沛的→energetically adv.有活力地2．以“­ius”结尾的形容词①harmny n．和谐→harmnius adj.和谐的
②ambitin n．野心→ambitius adj.有野心的③anxiety n．焦虑→anxius adj.忧虑的④curisity n．好奇心→curius adj.好奇的3．以“­ial”结尾的形容词①influential 有影响的②beneficial 有益的③cmmercial 商业的④facial 面部的⑤financial 金融的⑥scial 社会的
1.We have wrked tgether，surrunded by bld, vmit and death．我们一起工作，被鲜血、呕吐物和死亡包围。【考点凝练】过去分词作状语2．When we visited the ward the next mrning, we were amazed t see that against all dds, bth bys were still alive.第二天早上去病房时，我们惊讶地发现两个男孩奇迹般地活着。【考点凝练】不定式(短语)作原因状语3．It is nt the first time the authr has wrked with MSF.这不是作者第一次与无国界医生组织合作。 【考点凝练】It is/was＋the＋序数词＋time (that)...
[语境活用] ——经典句式仿写1．与你相比，我们还有很长的路要走。(过去分词作状语) ， we still have a lng way t g.2．听说你奶奶病了，我十分难过。(动词不定式短语作原因状语) yur grandmther is ill. 3．这是我第一次有勇气用英文写点东西。(It is＋the＋序数词＋time that...) t write smething in English.
Cmpared with yu
I'm srry t hear that
It is the first time that I have taken the curage
核 心 词 汇1．assist vt.帮助；协助；援助基础练习·单句语法填空(1)(2024·全国甲卷) I was very impressed by the dctrs and their________ (assist) wrking and living in such little space but still staying fcused and very cncerned.(2)The kind lady managed t assist the twins (find) smewhere t live that night.(3)I always assist my parents ding the dishes after meals.
assistants
(4)It's uncertain wh will be willing t assist us the grup's wrk.归纳拓展·assist sb.t d sth.帮助某人做某事assist sb.with sth.帮助某人某事assist sb.in ding sth.帮助某人做某事·assistance n．帮助；协助cme t ne's assistance 援助某人·assistant n．助手；助理；售货员
能力提升·句式写作诵读(5)在我的日常生活中，我认为帮助母亲做家务是我的责任。①In my daily life, I think it is my duty t the husewrk.②In my daily life, I think it is my duty t the husewrk.③In my daily life, I think it is my duty t the husewrk.
assist my mther with
assist my mther t d
assist my mther in ding
2．vital adj.极其重要的；生死攸关的基础练习·单句语法填空(1)Sme drivers, cyclists and pedestrians d nt think it vital (bey) traffic rules.(2)Understanding histry is vital t (understand) urselves as a peple and as a natin. (3)It's vital that new cmpulsry age­apprpriate relatinship and sex educatin lessns in England (help) equip children t tackle the grwing demands f scial media.
understanding
(shuld) help
归纳拓展be vital fr/t...对……极重要的/必不可少的It is vital t d sth.做某事极其重要It is vital that...……十分重要。【点津】 在句型“It is vital that...”中从句谓语动词要用“(shuld＋)动词原形”的形式。
能力提升·句式写作诵读(4)如果我们想在环境保护方面有所作为，重要的一点是我们应该从小事做起。If we are t make a difference in envirnmental prtectin, _________________________________________．(写作话题之环境保护)3．devtin n.奉献基础练习·单句语法填空(1)The specialist has devted his life the agriculture f China.
it's vital that we(shuld) begin with small things
(2)After the big fire, sme vlunteers devted their spare time t______ (help) rebuild the damaged huses.(3)I truly appreciate all yur (devte) and achievement, which will surely cntribute t the spread f Chinese culture.(4)Mr. Smith is a (devte) man wh is devted t his family.
归纳拓展· 把……奉献给……devte neself t致力于；献身于be devted t专心于；致力于·devted adj.忠实的·devtin n．关爱；奉献；忠诚【点津】t是介词，后面接名词或者动词的­ing形式。
能力提升·句式写作诵读经过十年的专心练习，这个年轻人成了一个有影响力的游泳运动员。(5) fr ten years, the yung man became an influential swimmer.→ fr ten years, the yung man became an influential swimmer. (画线部分用非谓语)
After he had devted himself t practicing
Having been devted t practicing
4．rewarding adj.值得做的；有益的；有意义的基础练习·单句语法填空(1)(2024·新课标全国Ⅰ卷) A few minutes spent casting yur eye ver a page r tw can be a (reward) experience. (2)(2023·全国甲卷) A day's wrk was rewarded ￡5 in pcket mney.(3)If the mnkeys tuched the left side f the screen they wuld_________________(reward) with seven drps f water r juice.
be rewarded
归纳拓展· reward v．酬谢；奖励，奖赏n.奖金；回报；报酬reward sb.fr (ding) sth.因(做)某事而奖赏/酬谢某人reward sb.with sth.用某物奖赏/回报某人·in reward fr 为奖赏……；为报答……as a reward fr 作为对……的奖赏/回报
能力提升·句式写作诵读(4)我很乐意带你游玩北京，以报答你的慷慨相助。(应用文之感谢信)_____________________________________________________________________________________________________
I'm mre than willing t shw yu arund Beijing in reward fr/as a reward fr yur generus help.
5．influential adj.有影响力的基础练习·单句语法填空(1)(2024·新课标全国Ⅰ卷)Fr well ver a hundred years the mst__________(influence) English dictinary was Samuel Jhnsn's Dictinary f the English Language published in 1755.(2)Bth my parents had a great influence my chice f wrk.(3)The grwth f these vegetables (influence) by seasnal variatins.(4)What influenced yu (dedicate) t teaching?
influential
is influenced
t dedicate
归纳拓展· influence v．影响n.影响；有影响的人(或事物)influence sb.t d...影响某人做……·have an influence n/upn对……起作用/有影响under the influence f在……的影响下
能力提升·句式写作诵读(5)他在朋友罗伯特·弗罗斯特的影响下开始写诗。He begins writing petry his friend，Rbert Frst.(6)Van Ggh had an influence n the develpment f mdern painting.→Van Ggh the develpment f mdern painting.→Van Ggh the develpment f mdern painting.
under the influence f
influenced/affected
had an effect n/upn
6.take any chances 心存侥幸，冒险基础练习·单句语法填空(1)Since there was n way ut, the rbber decided t take chance n his luck t see if he culd run away.(2)Thse parents wh yell at their children fr their untidiness, but later clean the rm fr them, have fewer chances changing their children's behavir.(3)Mrever, I cnsider it a glden chance (tur) arund China t enjy the wnderful scenery and taste the inviting fd here and there.
(4)When they arrive, I am chance just watching utside the windw.归纳拓展by chance＝by accident偶然；碰巧(The) chances are (that)...有可能……The chance is (that)...有可能……a chance t d sth.做某事的机会
能力提升·句式写作诵读(5)下周我也许得去曼彻斯特，不过可能性不大。 I might have t g t Manchester next week.
There's a slim/slight chance (that)
重 点 句 型as if...好像……Nwadays, peple all ver the wrld are becming mre and mre cnnected，as if the wrld were getting smaller...如今，全世界的人联系越来越紧密，好像世界变得越来越小……
基础练习·单句语法填空(1)It seems as if ur team (be) ging t win the game.(2)She treats the child as if he (be) her wn sn.(3)It was Jhn wh brke the windw.Why are yu talking t me as if I________(d) it?
归纳拓展·as if＝as thugh意为“仿佛；好像”，引导表语从句。常放在be，lk，seem，sund，smell，feel等系动词之后。·as if还可引导方式状语从句。如果从句表一种假设的情况，从句谓语常用虚拟语气，结构如下：与现在事实相反的假设，从句谓语动词用过去时did/were(be动词用were)；与过去事实相反的假设，从句谓语动词用过去完成时had dne/been；与将来事实相反的假设，从句谓语动词用wuld/culd/shuld/might d/be。
·当as if/thugh引导方式状语从句时，如果从句主语和主句主语一致，且从句谓语动词又含有be动词的某种形式，则可以省略从句的主语和be动词。能力提升·句式写作诵读(4)He pened up his muth as if he were t speak.(省略句式)→He pened up his muth ．(5)The by is running impatiently here and there as if he is searching fr smething.(省略句式)→The by is running impatiently here and there_________________________________________．
as if t speak
as if searching fr smething
Ⅰ.单句语法填空1．Anyne, regardless age r level f fitness, can practice and benefit frm Tai Chi.2．When she entered the hall, she (cast) a welcming smile in my directin.3．This scientist is knwn t have been wrking this prblem fr abut ten years.4．A hedge frms the (divide) between their land and urs.
5．Thse wh suffer frm headaches will find they get (relieve) frm this medicine.6．The girl tried t catch a bunch f butterflies n the flwers but____ vain.7．Let's make (jin) effrts t create a green and___________ (harmny) envirnment.8．He was rewarded a special prize fr his (devte) t scientific research.
9．When he was wrried that the (infect) disease culd break ut, Jhn came t his (assist).10．While the (minr) natinalities accunt fr six per cent f the ppulatin, they have had great (influence) n the whle cuntry.
assistance
Ⅱ.语境辨义练一词多义练/熟词生义练1．cast(1)The setting sun cast an range glw ver the muntains.___ (2)He has cast her as an ambitius lawyer in his latest mvie.___ (3)The priceless treasures had been cast int the river.___ (4)The latest evidence casts serius dubt n his versin f events.___
2．快速阅读下列句子并猜测句中加黑词汇的意思(1)We played cards t relieve the bredm f the lng wait.___________ (2)I've been slaving away all day trying t get the wrk finished._______________
Ⅰ.话题微写作(运用单元知识，在真实任务情境中提高语言综合运用能力)假设你是李华，英语课上老师让你们班结合本单元词汇、句型及语法，谈一谈文化交流的重要性。1．交流，一种用于表达自己的极其重要的手段，有不同的表达方式。(vital)___________________________________________________________________________________________________________
Cmmunicatin，a vital means f expressing yurself, has different ways f expressin.
2．不同的表达方式取决于你所属的文化。(depend n; belng t)_________________________________________________________3．不同的文化会令人产生一种困惑不安的感觉，称为文化冲击。(bring abut; culture shck)_____________________________________________________________________________________________________
Different ways f expressin depend n the culture yu belng t.
Different cultures can bring abut a feeling f cnfusin and anxiety, knwn as culture shck.
4．这种冲击可能会导致你与他人之间的分歧，并改变你表达自己的方式。(bring frth; divisin)______________________________________________________________________________________________5．交流是应对文化冲击的重要途径。(tackle)__________________________________________________ 6．不同国家的交流方式不同。(vary)__________________________________________________
This shck may bring frth divisins between yu and thers and change the way yu express yurself.
Cmmunicatin is an imprtant way t tackle culture shck.
The way f cmmunicatin varies in different cuntries.
7．因此，为了避免一些误解，你最好了解不同文化的某些方面。(动词不定式作目的状语)_________________________________________________________________________________8．除此之外，你也可以调整自己的思维方式来弥补这种差异。(cmpensate)__________________________________________________________________________________
S, t avid sme misunderstandings, yu had better knw sme aspects f different cultures.
Besides, yu can als adjust yur way f thinking t cmpensate fr this difference.
[句式升级]1．将第1句和第2句用定语从句进行改写升级。_______________________________________________________________________________________________________________2．将第4句用非谓语动词进行改写升级。____________________________________________________________________________________________
Cmmunicatin，a vital means f expressing yurself, has different ways f expressin, which depend n the culture yu belng t.
This shck may bring frth divisins between yu and thers, changing the way yu express yurself.
参考范文：Cmmunicatin, a vital means f expressing yurself, has different ways f expressin, which depend n the culture yu belng t. Different cultures can bring abut a feeling f cnfusin and anxiety, knwn as culture shck. This shck may bring frth divisins between yu and thers, changing the way yu express yurself. Cmmunicatin is an imprtant way t tackle culture shck. The way f cmmunicatin varies in different cuntries. S, t avid sme misunderstandings, yu had better knw sme aspects f different cultures. Besides, yu can als adjust yur way f thinking t cmpensate fr this difference.
Ⅱ.读后续写微写作(一)积累常诵动作描写之“哭泣”（一）
(二)语段写作第一步：用表示“哭泣”的表达完成句子1．看到爆米花，他的眼睛开始流泪。At the sight f the ppcrn, . (简单句) 2．他的母亲站在门口，看到这一幕，高兴得流下了眼泪。His mther, standing at the dr, . (简单句)
his eyes began t water
cried tears f jy t see the scene
3．她紧紧地抱住她的孩子，眼里满是感激的泪水。She hugged her child tightly__________________________________________________ (with 复合结构) 4．看到爆米花都卖完了，他哽咽得说不出话来。 ， he was t chked t speak. (分词作状语) 5．因为他的劳动得到了回报，他热泪盈眶。His eyes ．(状语从句)
with her eyes flded with tears f gratitude .
Seeing all the ppcrn sld ut
were filled with tears as his hard wrk paid ff