2025届高考英语一轮复习：（外研版）选择性必修第二册　Unit 5 A delicate world（课件PPT+学案）

这是一份2025届高考英语一轮复习：（外研版）选择性必修第二册　Unit 5 A delicate world（课件PPT+学案），文件包含2025届高中英语一轮复习选择性必修第二册Unit5Adelicateworldpptx、2025届高中英语一轮复习选择性必修第二册Unit5Adelicateworld教师版docx、2025届高中英语一轮复习选择性必修第二册Unit5Adelicateworld学生版docx等3份课件配套教学资源，其中PPT共60页， 欢迎下载使用。
halfway adj.中间的，半途的inhabitant n.栖居的动物penguin n.企鹅rat n.大老鼠vegetatin n.植物，草木(总称)
ersin n.侵蚀chas n.大混乱；紊乱virus n.病毒immunity n.免疫力substantial adj.大量的，多的
interventin n.干预，介入pstscript n.附言pest n.有害小动物；害虫disslve v.(使)溶解nutrient n.养分，营养物
sessin n.一段时间herbal adj.用香(药)草制成的criterin n.(复数 criteria)标准，准则prsper v.兴旺，发达altitude n.海拔(高度)
thrive v.茁壮成长fssil n.化石flral adj.花的cexist v.共存，共处
heritage n.遗产；传统habitat n.栖息地subsequently adv.后来，随后appetite n.胃口，食欲decrease v.(使)变小，(使)减少
trap n.夹子，陷阱cllapse v.倒坍；塌下incident n.事件we v.应该做；对……负有……的义务visual adj.视觉的
status n.地位；身份rare adj.稀有的，罕见的apparently adv.据说；看来，似乎vast adj.巨大的；广大的elsewhere adv.在别处greeting n.问候，招呼
dramatically adv.显著地；戏剧性地→dramatic adj.戏剧性的；突然的→drama n.戏剧
multiply v.(使)大大增加，(使)倍增→multiple adj.多种多样的cnservatin n.保护→cnserve v.保护→cnservative adj.保守的；守旧的
departure n.离开→depart v.离开；出发explde v.突然增加→explsin n.爆炸；激增
eclgy n.生态；生态学→eclgical adj.生态的→eclgist n.生态学家cmparisn n.比较→cmpare v.比较
mysterius adj.神秘的→mystery n.难以理解的事物；谜bilgical adj.生物的，与生物有关的→bilgy n.生物学→bilgist n.生物学家
variatin n.差异；变化→variable adj.可变的；易变的→varius adj.各种各样的→variety n.变化；多样(化)；多变(性)→vary v.变化
endangered adj.濒临灭绝的→endanger v.危及；使……处于危险→danger n.危险→dangerus adj.危险的
invasin n.涌入；侵犯，入侵→invade v.侵犯→invader n.侵略者secure adj.安全的；安心的；可靠的；稳固的 vt.获得；拴牢；保护→security n.安全；保护措施
spark /spɑːk/ vt.引发；激发 n.火花；活力siege /siːdʒ/ n.围困；包围devise /dɪ'vaɪz/ vt.想出；设计shiver /'ʃɪvə(r)/ vi.颤抖；发抖
gran /ɡrəʊn/ n.呻吟；低沉的声响 vi.& vt.呻吟dm /duːm/ n.厄运；毁灭 vt.注定(失败、毁灭等)meet ne’s dm死亡
weariness /'wɪərɪnɪs/ n.厌倦；筋疲力尽glide /ɡlaɪd/ vi.滑行；滑翔glide away溜走；滑走pierce /pɪəs/ vt.& vi.刺入；刺穿；穿透stealthily /'stelθɪli/ adv.偷偷地；鬼鬼祟祟地
n behalf f代表fail t d sth未做到某事in harmny with与……协调，与……一致，与……和睦相处develp an appetite fr对……产生兴趣be intrduced t被引进到……，被介绍给……
die ut 灭绝；消失ut f cntrl失去控制把……从……移走decrease 从……减少到……in cnsequence结果，因此turn ut原来是，结果发现
a substantial number f 大量的nce and fr all一劳永逸；彻底地把……归功于……；欠……cexist with和……共存；与……共处
Nr wuld they fail t imagine hw its native inhabitants，including ryal penguins，king penguins，and elephant seals，existed in perfect harmny with their natural habitat fr thusands f years.(否定副词置于句首引起的倒装)他们也不难想象出，数千年来，包括帝企鹅、王企鹅和象海豹在内的当地动物是如何与其自然栖息地完美地和谐共存的。
It turned ut that they develped an immunity t the virus，and their numbers explded nce again.(It turned ut that...)它们最终对病毒产生了免疫，数量又一次激增。This incident made it clear that the rat，muse and rabbit prblem needed slving nce and fr all.(it作形式宾语)这一事件清楚地表明，大鼠、小鼠和兔子泛滥的问题需要彻底地解决。
The next step is t remve the last remaining invading species，and that’s where I cme in—with my dgs.(where引导表语从句)下一步是清除最后残存的入侵物种，这就是我的工作了——和我的狗一起。
Althugh endangered elsewhere in China due t the invasin f freign species，the bees f Shennngjia have cexisted with the lcal peple fr centuries.(状语从句的省略)虽然在中国的其他地区，由于外来物种入侵，这种蜜蜂濒临灭绝，但是神农架的这种蜜蜂和当地的人们已经共存了几个世纪。
1.inhabitant adj._____________
8.interventin v.____________
1. n.遗产；传统2. n.栖息地3. adv.后来，随后4. v.(使)变小，(使)减少5. v.倒坍；塌下
subsequently
6. n.事件7. v.应该做；对……负有……的义务8. adj.视觉的9. adj.稀有的，罕见的10. adv.据说；看来，似乎
1. adv.显著地；戏剧性地→ adj.戏剧性的；突然的→ n.戏剧2. adj.生物的，与生物有关的→ n.生物学→ n.生物学家
dramatically
3. n.比较→ v.比较4. n.差异；变化→ adj.可变的；易变的→ adj.各种各样的→ n.变化；多样(化)；多变(性)→ v.变化
5. n.涌入；侵犯，入侵→ v.侵犯→ n.侵略者6. adj.安全的；安心的；可靠的；牢固的 vt.获得；拴牢；保护→ n.安全；保护措施
1.spark vt.____________ n._________________ vi.& vt.& adv.____________________
1. 未做到某事2.develp an appetite fr________________3. 灭绝；消灭4. 原来是，结果发现5. 从……减少到……
fail t d sth
1.A bmb and the twer cllapsed.The was heard a mile away.(explde)2.Sme natural f the ancient times are still t peple tday.(mystery)3.I really felt my life was in when he drve the car.S I tld him driving fast was and if he didn’t slw dwn，he wuld ur lives.(danger)
4.He had planned t n Friday，but the bad weather delayed his .(depart)5.The warned that what they did may be a threat t glbal and break the balance.(eclgy)6.It’s imprtant t energy.In fact，cheaper energy techniques have been put int peratin in the develped wrld.(cnserve)
7. elements cause the algae(藻类) t at high speed，ne f which is waste water.(multiply)
1.There was nthing we culd d abut it—the situatin was _______ asked abut the secret t winning the cmpetitin，the girl the success her teachers.
in cnsequence，in harmny with，ut f cntrl，n behalf f，
3.I want t express ur sincere gratitude fr yur kind help with ur English learning the whle class. 4.Everyne desires fr friendship and ，it is f great significance t knw hw t make life is regarded as part f nature and the nly way fr us t survive is t live nature.
in cnsequence
in harmny with
1.(应用文写作之鼓励信)我必须说清楚，不管发生什么，我会永远支持你。(it 作形式宾语)I must ，n matter what happens.
make it clear that I will supprt yu frever
2.(读后续写之主旨升华)事实证明，帮助别人实现梦想让我更快乐。(It turns ut that...)____________________________________________________________________________________________________________________________
It turns ut that helping thers realize their dreams gives me mre pleasure.
3.这个咖啡馆是我第一次遇见我最好的朋友的地方。(where引导表语从句)This cafe is .4.我永远不会忘记我在中国度过的那个快乐而热闹的春节。(否定副词置于句首引起的倒装)______________________________________________________________
where I met my best friend fr the first time
Never will I frget the happy and lively Spring Festival I spent in China.
5.虽然又累又渴，但我们体验到了采摘桃子的乐趣。(状语从句的省略) ，we experienced the jy f picking peaches.
Althugh tired and thirsty
In cmparisn with the past，peple’s awareness has been imprved dramatically and the cnservatin areas are becming larger,1._______ makes the number f animals multiply.Besides,2. (we) t the substantial interventin f the gvernment，effective measures 3.______ (take) t prtect the eclgy and keep the bilgical (apparent)，all the effrts are rewarding.Mre laws which prtect animals frm 5. (kill) cme int effect，
being killed
leading t a harmnius 6. (cexist) between mankind 7.___ animals.Hwever,8. (prtect) the endangered rare animals and decrease the spread f infectius 9. (virus) frm wild animals，we need t keep humans frm invading their habitats and establish mre 10.________(nature) reserves.
提示：题干中加底纹词汇为本单元词汇
v.(使)减少，(使)变小 n.减少
· decrease (frm...) t...(从……)减少到…… decrease by...降低了…… decrease in...在……方面减少/减小/下降· n the decrease在减少
(1)Thanks t the gvernment’s interventin，the number f the patients has decreased three hundred.(2)Last year witnessed a distinct decrease turnver f this cmpany.(3)(图表类作文)如上图所示，阅读电子书而不是纸质书的人数正在减少。As is stated in the abve graph，the number f peple _____________ .
e-bks rather than paper bks is decreasing/n the decrease
v.应该做；对……负有……的义务；欠(账、钱、人情等)；归功于……；应感谢
· we sb sth＝we sth t sb欠某人某物 we sth t sb/sth把某事归功于某人/某事 we it t sb that...把……归功于某人· wing t因为，由于
(1)(应用文写作之道歉信)我欠你一个道歉，因为周五下午我未能和你一起去书店。I _____________________________________________________________ n Friday afternn.(2)(应用文写作之感谢信)我在英语学习上的巨大进步都归功于您，任何语言都不足以表达我衷心的感谢。______________________________________________________________ ，s n wrds are strng enugh t express my heartfelt gratitude.
we yu an aplgy/we an aplgy t yu fr nt ging t the
bkstre with yu
I we my great prgress in English learning t yu/I we it t yu that I
have made great prgress in English learning
(3)(2022·新课标Ⅰ，读后续写)大卫在终点线气喘吁吁地说道：“正是因为您的鼓励，我才能够克服内心的恐惧，在越野赛中挑战自我。”David was ut f breath at the finishing line，saying，“It is ________ that I can vercme my internal panic t challenge myself in the crss-cuntry run.”
yur encuragement
n.比较(cmpare v.比较；匹敌；比喻；相比 n.比较)
·by cmparisn 相比之下，相较而言 in cmparisn with与……相比较·把……和……相比较 把……比作…… beynd/withut cmpare无与伦比，举世无双·cmpared t/with...和……相比(通常作状语)
(1)(2021·全国乙，书面表达)与过去相比，越来越多的青少年更喜欢在网上学习。相比之下，在线学习的便利性和灵活性是无与伦比的，但青少年显然会面临更多的诱惑。因此，如何成为聪明的在线学习者是非常重要的。 ，mre and mre teenagers prefer studying nline. ，cnvenience and flexibility f nline learning ，but teenagers will apparently face mre temptatins.S hw t be smart nline learners is f great significance.
Cmpared t/with/In cmparisn with the past
By cmparisn
is beynd/withut cmpare
(2)(应用文写作之倡议书)书籍被比作人类进步的阶梯，因此，我主张我们应该在业余时间多读书。Bks ，and hence，I advcate that we shuld enjy mre bks in ur spare time.(3)(2021·上海6月，书面表达)在对比了这门课和那门课之后，我建议你选择中文听说课，这可以帮助你尽快适应课堂。After ，I recmmend yu t chse Chinese listening and speaking curse，which can help yu adapt yurself t class as sn as pssible.
are cmpared t the ladder f human prgress
cmparing this curse with that ne
die away(声音、风、光线等)渐息；渐弱die f死于(疾病、衰老、饥饿、悲伤等自身原因)die frm死于(意外等外部原因)(be) dying t d sth极想做某事be dying fr sth渴望/想要某物
(1) Apparently，the girl is dying (participate) in the English cntest.(2)It’s said that the rare bird died hundreds f years ag.(3)Accrding t statistics，a man is mre than twice as likely t die ____ skin cancer as a wman.
t participate
(4)(应用文写作之申请信)我渴望有机会成为一名志愿者。我的确希望您能给我这个宝贵的机会。 .I d hpe yu can ffer me the precius pprtunity.用法点拨　表示“渴望”的短语还有：lng fr，lng t d，be hungry fr，be thirsty fr，desire t d，be keen t，be eager t，be anxius t等。
I am dying t have/fr the chance t be a vlunteer
in cntrl f控制……in the cntrl f由……控制，被……控制under cntrl在控制之中beynd cntrl无法控制lse cntrl f失去对……的控制take cntrl f控制……
(读后续写之情感描写)我的车在半山腰失去了控制，我的心都提到嗓子眼儿了。幸运的是，我最终控制了我的车，我松了口气。 halfway up the hill and my heart was in my muth.Luckily，_______________________________________________________________________________ in the end and I sighed in relief.
My car was beynd cntrl/ut f cntrl/I lst cntrl f my car
I tk cntrl f my
car/my car was under cntrl/I was in cntrl f my car/my car was in
the cntrl f me
Nr wuld they fail t imagine hw its native inhabitants，including ryal penguins，king penguins，and elephant seals，existed in perfect harmny with their natural habitat fr thusands f years.他们也不难想象出，数千年来，包括帝企鹅、王企鹅和象海豹在内的当地动物是如何与其自然栖息地完美地和谐共存的。
否定副词置于句首引起的倒装句
否定副词置于句首，要用部分倒装语序，即把谓语动词的一部分(助动词、情态动词或be动词)提到主语之前。这类否定词以及含有否定词或否定意义的短语主要有：n，nt，never，little，hardly，seldm，scarcely，barely，nt until，，nt als...，n ，，in n sense，in n way，in n case，by n means，n n accunt，at n time，under n circumstances等。
(1)(2023·新课标Ⅰ，读后续写)我一听到这个激动人心的消息，就愣在那里，不敢相信自己的耳朵。我从来没有想到我会在写作比赛中获得第一名。N sner than I frze there，unable t believe my ears.Never I wuld win first prize in the writing cntest.
had I learned/learnt abut the exciting news
had I thught that
(2)母亲那句鼓舞人心的话仍然在我的脑海里回响：“在得到这份工作之前，你绝不能放弃。”My mther’s inspiring wrds still eched in my mind，“___________ befre securing this jb.”
In n way/On
n accunt/Under n circumstances shuld yu give up
(3)(2023·上海6月，书面表达)The camera nt nly represents my childhd in the best pssible manner but it als represents my lve fr capturing mments.＝ in the best pssible manner but it als represents my lve fr capturing mments.(改写为倒装句)
Nt nly des the camera represent my childhd
(4)I hardly think it pssible t finish the wrk befre dark.＝______________________________________________________(改写为倒装句)(5)(读后续写之升华句)直到我经历了这场事故，我才明白坏运气有可能是正在等待开启的门。①I wasn’t aware that bad frtune might be the dr waiting t be pened .② bad frtune might be the dr waiting t be pened.(改写为倒装句)
Hardly d I think it pssible t finish the wrk befre dark.
until I experienced the accident
Nt until I experienced the accident was I aware that
提示：题干中加底纹词汇为上一单元词汇
Ⅰ.一词多义练/熟词生义练——清除阅读障碍
(1)Sme miners were trapped undergrund after the cllapse. (2)Were yu just ging t trap her int making the decisin？(3)(2023·新课标Ⅰ)Yu’ll hear these participants’ stries and learn what strategies wrked well fr them，and what traps they encuntered that yu shuld avid. (4)The plice set a trap t catch the thief.
____________________
2.快速阅读下列句子并猜测句中加颜色词汇的意思(1)It is pssible t multiply these bacteria in the labratry.(2)He is nt anything like his twin sister wh is utging and has a strng appetite fr success.(3)(2019·北京)Afterwards，she and her father secured their first business meeting with a supermarket wner.(4)(2020·浙江7月)The results held true even after the scientists accunted fr the participants’ verall health status.
_________________________________
Ⅱ.核心知识强化练——巩固语言知识
1.Althugh he failed (live) up t his parents’ expectatins，his devtin was t sme extent my pinin，he is stubbrn，which makes impssible t persuade him t assist twins are dying a bx f chclates，while my wife is dying (see) the exhibit.4. (trap) in the ruins，the girl still held a psitive attitude，expecting sme generus cmrades t rescue her.
5.A van went f cntrl and crashed int the frnt f the specialist has an appetite traveling in his spare time t relieve heavy number f wild animals has been the decrease in the past few ’s my great hnr t deliver a speech n hw t build a harmnius campus behalf f my schl.
9.By (cmpare)，I wuld rather take part in this rewarding and meaningful activity.10.I we t yu that I can handle the culture shck s successfully.
1.与过去相比，目前的环境保护仍然存在许多问题。(cmparisn)_____________________________________________________________2.由于人类活动，空气、水和土壤的污染非常严重，对全球生态系统产生了不良影响。(wing t)_____________________________________________________________3.动物、森林和海洋资源的数量正在减少。(decrease)_____________________________________________________________
4.尽管面对严峻的挑战，但许多国家的政府采取了许多有效的措施来保护脆弱的环境。(状语从句的省略)_____________________________________________________________5.直到每个国家和每个人都共同努力时，我们才能拥有一个更好的环境。(倒装句)_____________________________________________________________
把以上句子用适当的过渡词语和过渡句组成一篇80词左右的短文。__________________________________________________________________________________________________________________________
Dear classmates，I feel greatly privileged t vice my pinins abut prtecting the envirnment n behalf f my grup.In cmparisn with the past，there are still many prblems f envirnmental prtectin at present.Owing t human activity，the pllutin f air，water and sil is s serius that it has a bad effect n the glbal ecsystem.Fr instance，the number f animals，frests and sea resurces is decreasing and it’s high time t save them frm disappearing.
Althugh faced with serius challenges，gvernments f many cuntries have taken numerus effective measures t prtect the delicate envirnment.As far as I am cncerned，nt until every cuntry and every individual make jint effrts can we have a better envirnment.
Thanks fr yur listening.
动作细节描写：看(一)
植树造林A frest came int view and I glanced arund，enjying the surrunding beautiful scenery.My uncle tld me “①________________ and the frest used t be a wasteland.Later，wing t sme cnservatin measures，this frest appeared again.” ②_________________________ (with复合结构).The deeper we walked，the mre animals we sptted in the frest.
The habitats f
animals as well as the eclgy f the area had been destryed
Hearing that，I gaped at my
uncle，with my eyes pen in surprise
Sme animals lcked their eyes n us curiusly while sme just ③______ timidly.④_________________________________ (现在分词短语作状语)，I culdn’t help exclaiming，“The way the nature treats us is the same we treat it.T live in harmny with it，we are expected t respect it.”
at/stle a glance at us
Watching these lvely animals and
green trees