2020版高考英语总复习（课标版） 教师用书 教材复习导与练 必修五 5-2Unit 2 The United Kingdom

Unit2TheUnitedKingdom

Stepl课前准备——单元考点自查自测

1.词汇分层级识记过关2.语境活用填写过关3.经典句式

背诵仿写过关4.类词巧积累事半功倍

（一）分门别类攻单词——识形辨意•拓展应用

阅

读1.statuen.塑像；雕像2.provincen.省；行政区3.institutionn.制度；公共机构

知4.creditn.信任;学分;赞扬；信贷5.currencyn.货币；通货6.sightseeingn.观光;游览

意

词7.weddingn.婚礼8.uniformn.制服9.architecturen.建筑学;建筑艺术

汇10.royaladj.王室的；皇家的；高贵的11.roughadj.粗糙的；粗暴的12.influencen.影响

1.twoplus（加上）three2.solvesomeconflicts（矛盾）

3.quarrel（争吵）withhim4.beconsistent（一致）with

5.clarify（澄清）thetruth6.beunwilling（不愿意）togo

7.fold（对折）achair8.athrilling（胆战心惊的）film

9.accomplish实现）ourgoal10.lookalike（类似的；相同的）

［词汇拓展］［拓展应用］

1.unitevt.&vi.联合；团结-unitedadj.团结的；联合的1.Hewasattractedgreatlybythedescriptionofabrave

-»unionn.联合;联盟;结合girlinthestorydescribedbytheyoungauthor,

2.conveniencen.便利;方便convenientadj.方便的（describe）

3.descriptionn.描写；描述■*describevt.描述；形容；2.WeChatisconvenienttousenowadaysTbutIstickto

描绘textmessagingforitsgreatconvenience.（convenient）

4.attractvt.吸引;引起注意fattraction〃.吸弓|；吸引力3.Hehadbeensearchingforafurnishedflatuntilone

-♦attractiveadj.有吸引力的dayhefoundonethatwaswellfurnishedwithmodern

5.possibilityn.可能（性）fpossibleadj.可能的ffurniture,（furnish）

impossibleady.（反义词）不可能的4.Twodayslater*Iwasdelightedtohandinallofmy

6.arrangevt.筹备；安排；整理farrangement〃.布置；整workontime»tomyteachersdelight,（delight）

理5.WhatattractsmemostinBeijingisthatthereare

7.delight〃.快乐；高兴”使高兴；使欣喜fdelightedmanyattractions,liketheGreatWall,theSummer

adj.高兴的；快乐的fdelightfuladj.令人高兴的Palace.Theyaresoattractiveastoattracteyesfrom

8.furnishedadj.带家具的furnishvt.装修；布置everycorneroftheworld,（attract）

furnituren.家具；设备6.Ourdepartmentwillbeinchargeofarrangingthe

9.imaginaryadj.想象中的；虚构的—imaginea想象；conference.Wouldyoupleasegiveussome

猜想suggestionsonthearrangementforit?（arrange）

L"高兴''家族2.仅“一字母之差”的单词3.话题词汇集锦（介绍地点）

①delightn.&（使）高兴;（使）①statuen.雕像—statusn.身份①landmarkn.地标性建筑

喜悦②affectvt.影响feffectn.影响；©immigrationn.移居

IIdelightedadj.欣喜的；高兴的效果③capitaln.首都

积

月delightfuladj.令人高兴的③adaptvt.适应fadoptvt.收养④mountainousadj.多山的

累

②happyadj.愉快的；高兴的④sweatn.汗水—sweetadj.甜的⑤independentadj.独立的

词

汇happiness".快乐；幸福（H）contentn.内容-*contextn.上⑥frontier〃.边境；国界

③joyn.欢乐；高兴下文⑦originn.起源；由来

joyfuladj.快乐的；高兴的⑥marchn.前进fmatch〃.比赛⑧remoteadj.偏远的；遥远的

（二）写用结合记短语——译写短语•语境活用

短语填写语境串记

WelcometoChongqing!It's(T)tomycredittobe

yourlocalguidefortoday'svisit.Whenwe②referto

1.keepone'seyesopen留心看

theThreeGorges»itusuallyincludesQutangGorge,

2.toone'scredit为……带来荣誉；值得赞

AWuGorgeandXilingGorge,whichisoneoftheten

扬；在……名下

组mostfamoustoursitesofChina.Ifyou③keepyoureyes

3.referto谈到；说到；参考；涉及

open,youwillfindyourselfdelightedandthrilledatthe

4.divide...into把……分成

beautifulscenery.Wishyouhaveagoodjourney!

1.atonetime曾经;一度①Atonetime,myoldcaralways②brokedown.

B2.breakdown（机器）损坏；破坏whichmademeembarrassedontheroad.Eventually,I

组3.inmemoryof纪念……madeupmymindtobuyanewcarto③taketheplaceof

4.taketheplaceof代替theoldone.

LastweekwevisitedtheBritishMuseum,which

1.leaveout省去；遗漏；不考虑

attractedtouristsfromallovertheworld.For

C2.breakawayfrom挣脱;脱离

convenience?we①madealistofthethingswewanted

组3.consistof由....组成

toseesothatwecouldn't②leaveoutanything.We

4.makealistof列....的清单

foundthatthemuseum③consistedofnineshowrooms.

日积月累记短语

1."toone's+〃.”短语⑥toone'sshame使某人惭愧的是④comeintobeing产生；出现

①toonescredit为用来荣誉；2.beyond短语小结⑤breakout发生

值得赞扬;在……名下①beyonddescription无法描述4.“代替”的表达法种种

②toonesastonishment/surprise令②beyondimagination无法想象①taketheplaceo£

某人惊奇的是③beyondexpression无法表达②takeonesplace

③toone'sdelight/joy令某人高兴④beyondrepair无法修理G)replacesb./sth.

的是⑤beyondrecognition无法识别④inplaceof

④toone'sdisappointment令某人失3.不能用于进行时和被动语态的短语©substitutefor

望的是①consistof由...构成⑥insteadof

⑤toone'sregret使某人感到遗憾的②datebackto/from追溯到...

是③belongto属于

（三）仿写活用练句式——经典句型•仿写背诵

经典原句句式归纳仿写造句

l.Youmustkeep

youreyesopenif

youaregoingto

makeyourtripto1.表扬能使好人更

theUnitedKingdom好，坏人更坏。

“keep/make+宾语

enjoyableandPraisemakesgood

+宾补”结构。

worthwhile.menbetterandbad

要使你的英国之行

menworse.

愉快且值得，你就必

须留心观察。

2.（2014.四川卷）另

外，或许最使你感兴

趣的是，考试时我真

2.Itlookedsplendid的紧张烦躁。

whenfirstbuilt!

状语从句的省略。Inaddition,whatmay

刚建成的时候，它看interestyoumostis

起来真是金碧辉煌！thatIamreally

nervousandupset

whentakingtheexa

m.

3.Itisapitythatthe

industrialcitiesbuilt

inthenineteenth3.很遗憾，我昨天没

centurydonotattract能见到你。

“令

visitors.Itisapitythat...

ItisapitythatI

可惜的是这些建于人遗憾的是……”。

missedseeingyou

19世纪的工业城市yesterday.

对游客并没有吸引

力。

Step2课堂探究——核心考点点点突破

1.重点难点考点学通练透2.归纳总结拓展开阔视野3.方

法规律技巧权威点拨4.面面俱到打创高效课堂

第一时段Warmingup&Reading

1.conflictn.矛盾；冲突vt.冲突；抵触

［教材原句］Happilythiswasaccomplishedwithoutconflict

whenKingJamesofScotlandbecameKingofEnglandandWalesas

well.

令人庆幸的是，当苏格兰的詹姆斯国王也成为英格兰和威尔

士的国王时并未经过战争。

(l)inconflictwith与...有冲突

comeintoconflictwith与...产生冲突

(2)conflictwith与...相冲突

单句语法填空

①Thetwocountrieshavebeenconflictwitheach

otherfordecades.

②It'sobviousthatourinterestsconflictyours.

完成句子

③Heoftenwithhisclassmates,which

annoyshisparents.

他经常和同学们发生冲突，这让他的父母很烦恼。

［答案］①in②with③comesintoconflict

2.conveniencen.便利；方便；便利的事物；便利设施

［教材原句］Englandisthelargestofthefourcountries,and

forconvenienceitisdividedroughlyintothreezones.

在这四个国家中，英格兰是最大的。为方便起见，它大致可

以划分为三个地区。

(l)forconvenience为方便起见

atone'sconvenience在某人方便的时候

(2)convenientadj.方便的；便利的(=beofconvenience)

Itisconvenientforsb.todosth.

某人方便做某事

(3)inconveniencen.不方便；不便

inconvenientadj.不方便的

单句语法填空

①BacheletsayssheselecteditconvenienceandI

observethatitisalsocheap.

②(2015-陕西卷)Ifyouareinterested,pleasesendan

applicatione-mailyourearliestconveniencetoMsChen

atchenlaoshi@.

(3)Inthepastseveralweeks,manycitiesinNorthernChina

havebeensufferingfromheavyfogs,causinggreat

(inconvenient)topeople.

完成句子

©I'mconvincedthatforpeopletodosome

shoppingonlineinthefuture.

我相信未来人们网上购物会变得更加方便。

［答案］①for②at③inconvenience④itwillbemore

convenient

［知识顾问］(1Convenience意为“便利；方便”时，为不可

数名词；意为“便利的事物或设施”时，为可数名词。

(2)convenient作表语时，不可用人作主语，而要用物作主语

或用it作形式主语。“当你方便的时候”应翻译成whenitis

convenientforyou,而不是whenyouareconveniento

3.attractvt.吸弓I；引起注意

［教材原句］Itisapitythattheindustrialcitiesbuiltinthe

nineteenthcenturydonotattractvisitors.

可惜的是这些建于19世纪的工业城市对游客并没有吸引力。

(l)attractsb.to...把某人吸引到...

attractone'sattention吸引某人的注意力

(2)attractionn.吸弓1(力)；具有吸引力的人或事物

touristattraction旅游景点

(3)attractiveadj.有吸引力的；引人注意的

beattractiveto对...有吸引力

单句语法填空

①Manytourists(attract)tothisbeautifulplaceevery

year.

②MountTaiis(attract)totouristsforitsbeautiful

sceneryandhistoricalsites.

③(attract)bythebeautyofnature,thegirlfrom

Londondecidedtospendanothertwodaysonthefarm.

完成句子

④ChinaTodayaworldwidereadership,

whichshowsthatmoreandmorepeopleallovertheworldwantto

learnaboutChina.

《今日中国》吸引了世界范围的读者群，这显示了全世界越

来越多的人想了解中国。

［答案】①areattracted②attractive③Attracted④has

attracted

4.consistof由...组成

［教材原句］HowmanycountriesdoestheUKconsistof?

英国是由几个部分(国家)组成的？

bemadeupof

⑴becomposedof由...组成

(2)consistin=liein存在于；在于

consistwith与•…一致/相符

(3)consistentadj.相容的；一致的

beconsistentwith和……一致/相符

单句语法填空

①Listeningisthusanactive,notapassive,behavior

(consist)ofhearing,understandingandremembering.

②Ifwhatyousayisnot(consist)withwhatyoudo,it

willhaveabadeffectonyourchildren.

完成句子

(3)Lifemainlyhappinessandsorrowwhile

happinessstruggle.Rememberthatyourideallife

doesnotalwaysthereality.

生活主要是由快乐和悲伤组成的，而快乐存在于拼搏之中。

记住，理想的生活并不总是和现实相一致。

一句多译

生活中不仅仅有阳光，还有艰难的日子。

④Lifenotonlysunshinebutalsohard

times.

(5)Lifenotonlysunshinebutalsohard

times.

⑥Lifenotonlysunshinebutalsohard

times.

［答案］©consisting©consistent©consistsof;consists

in;consistwith©consistsof⑤ismadeupof⑥iscomposed

of

［方法规律］由consist组成的几个短语consistof/in/with都

不能用于被动语态和进行时态。

5.breakaway（from）挣脱速缚）;脱离;与...断绝关系

［教材原句］However,thesouthernpartofIrelandwas

unwillingandbrokeawaytoformitsowngovernment.

然而，爱尔兰的南部不愿意（组建联合王国），它分离出去并

建立了自己的政府。

breakin打断；插嘴；闯入

breakinto闯入

breakout（战争、火灾等）爆发；突然发生

breakup分散；打碎；解散；（关系等）破裂

单句语法填空

①ItisreportedthatthefilmstarZhangYuqiandYuanBayuan

havebroken.

②Itisnotrightforthesouthtobreakawaythe

north.

③Don'tbreakwhileothersaretalking.

完成句子

④AsthePresident'scararrived,thecrowdloud

applause.

总统的汽车到达时，群众中爆发出热烈的掌声。

（5）Whenthenewscamethatthewar,hedecidedto

serveinthearmy.

当战争爆发的消息传来时，他决定到军队中服役。

［答案］①up②from③in©brokeinto⑤brokeout

6.leaveout省去；遗漏；删去；不考虑；未顾及；忽略

［教材原句］Whichcountryisleftout?

哪个国家被遗漏了？

leave...alone不管；不理会；不干涉

leaveaside搁置一边

leavebehind留下；忘带；遗留

leavefor动身至U（某处）

leaveoff停止；戒除

写出下列句中leaveout的含义

©You'veleftoutthemostimportantwordinthis

sentence.__________

②Youcanleaveoutthedetails,justgiveusthemain

facts.___________

(3)PoorAlice,shealwaysseemstobeleftoutatparties.

单句语法填空

©Thenewlymarriedcoupleareleavingtheir

honeymoon.

⑤Heissaidtohaveleftsmoking.

［答案］①漏掉②删去；省去③被忽视；受冷落④for

⑤off

7.Itis+a+单数名词+that从句

［教材原句］Itisapitythattheindustrialcitiesbuiltinthe

nineteenthcenturydonotattractvisitors.

可惜的是这些建于19世纪的工业城市对游客并没有吸引力。

(l)Itisapitythat…意为“令人同情的是...;令人遗憾的

是……”，其中it是形式主语，that引导的从句是真正的主语。

①manyofusfailedthefinalexamination.

真是遗憾，我们中有很多人期末考试不及格。

(2)“Itisapity+that从句”意为“竟然;居然”时,表示出

乎意料的事情，that后的从句要用虚拟语气，即从句谓语用

“should+动词原形”。

②Itisapitythatyousuchagoodchance.

真可惜，你竟然错过了这么好的机会。

(3)Itisapity(forsb.)todosth.意为“(对某人来说)做某事很

遗憾/可惜”。

③Itisapityforyouupthejob.

你要放弃这份工作，真是可惜。

［答案］①Itisapitythat②shouldmiss③togive

IfyoustudyBritishhistory,youmayfeel1.___________

seemsstrangethatthecountrygothroughseveraldifferent

names.ThefirstnameEngland2.___________(refer)to

EnglandandWales,butwhenthetwocountriesjoined

Scotlandintheseventeenthcentury,thenameGreatBritain

wasgiventorepresentthecountry3.___________(consist)

语(

语ofthethreeparts.4.____________thejoiningofNorthern

境

法Ireland,thecountrygotthenametheUnitedKingdom,

串

填5.___________wasshowntotheworldinanewflag

考

空6.___________(call)theUnionJack.Itmeantthatthe

点)

countrywouldneverbreak7.___________.

Ofthefourcountries,Englandisthelargestand

8.___________(divide)intothreezones:theSouth,the

NorthandtheMidlands.9.___________(it)capitalcity

Londonisthegreatest10.____________(history)treasureof

allwithitsmuseums,artcollections,theatres,parksand

buildings.

［答案］l.it2.referred3.consisting4.With5.which

6.called7.down8.isdivided9.ItslO.historical

第二时段LearningaboutLanguage&UsingLanguage

1.arrangevt.筹备；安排；整理

［教材原句］Theyhadnotimetoarrangetheirownwedding,

sotheyhaditorganizedbyacompany.

他们没有时间准备婚礼，所以他们让一家公司为其筹备。

(l)arrangesth.forsb.为某人安排某事

arrangetodosth.安排做某事

arrangefor...todosth.安排...做某事

arrangethat...商定...；安排....

(2)arrangementn.安排；筹备；布置；整理

makearrangementsfor为...做好安排

单句语法填空

①TheJiborobot,arranged(ship)laterthisyear,is

designedtobeapersonalizedassistant.

②Wehavealreadymade(arrange)forourvacation.

(3)Davearrangedsomeonetodrivehimhome.

完成句子

④It'snotnecessaryforparentsto

父母没有必要为孩子安排好一切。

［答案】①toship②arrangements(3)for④arrange

everythingfortheirchildren

2.delightn.快乐；高兴；喜悦vt.&vi.(使)高兴;(使)

欣喜

［教材原句］HerfirstdelightwasgoingtotheTower.

她最先想参观的地方是伦敦塔。

(l)delightsb.withsth.用某物使某人高兴

delightin(doing)sth.以(做)某事为乐

(2)take(great)delightin以...为乐

withdelight高兴地；愉快地

toone'sdelight使某人高兴的是

(3)delightedadj.高兴的；快乐的

bedelightedat/by为某事而高兴

bedelightedtodo/indoingsth.为做某事而高兴

单句语法填空

①What(delight)thefanswasthattheyoungplayer

performedextremelywellinthetabletennistournament.

②Theprofessorwas(delight)tofindthattwothirds

oftheprojecthadbeenfinishedbythestudentsindependently.

(3)mygreatdelight,Iwaschosenfromhundredsof

applicantstoattendtheopeningceremony.

［答案］①delighted②delighted③To

3.consistentadj.一致的；始终如一的

［教材原句］Makesurethattensesareconsistent.

确保时态一致。

beconsistentwith...与...一致

beconsistentin...在...方面一致

完成句子

①Theseresultsareentirelyourearlier

research.

这些结果与我们早先的研究完全一致。

②Asisknowntoall,hehisarguments.

众所周知，他的论点始终如一。

［答案］©consistentwith②isconsistentin

4.taketheplaceof代替

［教材原句］Allofthewordsbelowcantaketheplaceofsaid,

buttheyareusedunderdifferentconditionsandindifferent

situations.

下面所有这些词都能代替动词said,但它们在不同的条件和

情形下使用。

(l)takeplace发生；举行

takeone'splace代替；入座，就位；跻身于

(2)inplaceof代替

inplace在适当的位置；适当的

outofplace未在适当的位置；不适当的

（3）replace代替

单句语法填空

©Thereisatendencythatsendinge-mailsistaking

placeofwritingletters.

②RobsoncametoplaceofWilkinstenminutes

beforetheendofthegame.

完成句子

③Thesubwaywilltobecomethemain

vehicleforthepeopleinthefuture.

未来，地铁将会取代公共汽车，成为人们主要的交通工具。

［答案］①the②in③taketheplaceofthebus

［思维发散］taketheplaceof与inplaceof都是“代替；替

代”的意思。但taketheplaceof是动词短语，相当于replace,

在句子中作谓语。inplaceof是介词短语，相当于insteadof,多

用作状语。

5.breakdown（机器）出故障/损坏；破坏；（谈判、希望'计

划等）失败；破裂；（化学）分解；（身体）垮掉；崩溃

［教材原句］Onmywaytothestationmycarbrokedown.

在去车站的路上，我的汽车坏了。

写出下列句中breakdown的含义

①Thepeacetalksbrokedownwithnoagreement

reached.____________

②Yourhealthwillbreakdownifyoualwaysstayup

late.___________

（3）Itwasbadluckthatmycarbrokedownonthewayto

Beijing.___________

©Plasticbagsaredifficulttobreakdown.

［答案］①失败②垮掉③出故障④分解

6.状语从句的省略

［教材原句］Itlookedsplendidwhenfirstbuilt!

刚建成的时候，它看起来真是金碧辉煌！

(1)状语从句省略的条件：when,while,before,after,if,though,

unless,asif等状语从句中的主语与主句主语一致或状语从句中

的主语为it,状语从句谓语中通常含有be动词。

①,Mr.Brown,whoisrichinexperience,will

turnouttobeanexcellentmanager.

如果被当选，经验丰富的布朗先生会成为一名优秀的经理。

(2)状语从句的省略成分：省略从句中的主语和be动词。

②Fillinaproperpreposition.

在需要的地方填入一个适当的介词。

［答案】①Ifchosen②where(itis)necessary

［方法规律］省略句中的谓语动词和主语构成主动关系，则

使用现在分词；若构成被动关系，则使用过去分词；若谓语动词

表示尚未发生，则使用不定式。

GreatBritainconsistsfourcountries：England,Wales,

ScotlandandNorthernIreland.Inthe13thcentury,Wales

waslinkingtoEngland.In1603,theywerejoinedto

语(Scotland.Theywereunitedwithpeaceinsteadofbywar.

短

境

文However,justastheyweregoingtogetIrelandconnectedto

串

改

考formtheUnitedKingdom,thesouthernpartofIrelandbroke

错

点)awayfrom,soonlyNorthernIrelandjoinedwithEngland.

Englandisthelargestofthefourcountriesandfor

convenientitwasdividedtothreezones:theSouthof

England,theMidlandsandtheNorth.Mostofthe

populationissettledintheSouth,butmostoftheindustrial

citiesarelocatedintheMidlandsandtheNorth.Londonis

thecapitalcitywiththegreatlyhistoricaltreasures.Ithasthe

oldestportbuiltbytheRomansinthe1stcenturyAD,the

oldestbuildingbeganbytheAnglo-Saxonsinthe1060sbut

theoldestcastleconstructedbylaterNormanrulersin1066.

［答案］

GreatBritainconsistsAfourcountries：England,Wales,

of

ScotlandandNorthernIreland.Inthe13thcentury,Waleswas

linkingtoEngland.In1603,theywerejoinedtoScotland.They

linked

wereunitedwithpeaceinsteadofbywar.However,justasthey

in

weregoingtogetIrelandconnectedtoformtheUnitedKingdom,

thesouthernpartofIrelandbrokeawayfrbjn,soonlyNorthern

IrelandjoinedwithEngland.

Englandisthelargestofthefourcountriesandforconvenient

convenience

itwasdividedtothreezones:theSouthofEngland,theMidlands

into

andtheNorth.MostofthepopulationissettledintheSouth,but

are

mostoftheindustrialcitiesarelocatedintheMidlandsandthe

North.Londonisthecapitalcitywiththegreatlyhistorical

great

treasures.IthastheoldestportbuiltbytheRomansinthe1st

centuryAD,theoldestbuildingbeganbytheAnglo-Saxonsinthe

begun

1060sbuttheoldestcastleconstructedbylaterNormanrulersin

and

1066.

Step3课后演练——知识能力链接高考

I.单句语法填空

1.(2018•浙江卷)Theabilitytodesign,buildandexportgreen

technologiesforproducingcleanwater,cleanairandhealthyand

abundantfoodisgoingtobethe(current)ofpowerinthe

newcentury.

［答案］currency

2.(2018•北京卷)JenniferDeBruyn,amicrobiologistatthe

UniversityofTennessee,whowasnotinvolvedinthestudy,saysit

isnotsurprisingthatsuchwormscanbreakpolyethylene.

［答案］down

3.(2018-全国卷III)Whilefamousforeign

(architecture)areinvitedtoleadthedesignsoflandmark

buildingsinChinasuchasthenewCCTVtowerandtheNational

CenterforthePerformingArts.

［答案］architects

4.Cathydidn'texpectanyawardbutwasstilltheretocheeron

herfriendsandpraisetheir(accomplish).

［答案］accomplishments

5.Onanemptysectionofroad,everyonestarted

(quarrel).

［答案］quarreling

6.Thebetteryouunderstandthis，themoreeasilyand

(enjoy)you'llachievethegoal.

［答案］enjoyably

7.Jimwaswatchingalatenightfilmathomewhen,rightinthe

middleofa(thrill)scene,thetelevisionwentblank.

［答案］thrilling

8.Eachindividual(个体的)anthardlyweighsanything,butput

togethertheyweigh(rough)thesameasallofmankind.

［答案］roughly

9.Bodylanguagecangiveawayalotaboutyourmood,so

standingwithyourarms(fold)cansendoutasignalthat

youarebeingdefensive.

［答案］folded

10.(divide)intofourgroups,thewholeclassbeganto

discussthetopic.

［答案］Divided

II.单句改错

1.ItismuchinhercreditthatMarycontinuedtoworkinspite

ofallthedifficulties.

［答案］第一个infto

2.Enteringtheyard,Ifounditcoveringwithlotsoffallen

leaves.

［答案］covering—covered

3.Ihavearrangedacartopickyouup,becausemycarbroke

downyesterday._____________

［答案］在arranged后加for

4.Shethrilledwithterrorwhenshesawthesceneofthe

murder.

［答案］在第一个she后加was

5.Keepyoureyesopenedifyouwanttofindtheboyinared

sweater.

［答案］opened—open

6.Thereportgivenbytheexpertwasconsistedofthree

parts.

［答案