Unit 1 The Changing World Section B 1a-1f 课件（内嵌视频）2026-2027学年人教版英语九年级上册

Unit1TheChangingWorldSectionB1a-1fLearningObjectivesAttheendoftheclass,wewillbeableto:

understandthemainideaanddetailsofthepassageabouttheMombasa–Nairobirailway;

usekeywordsandsentencestodescribethechangesbroughtbytherailway;

analyzehowtherailwayimprovespeople’slivesandtransport;

understandtheimportanceofcooperationbetweendifferentcountries.StartingStation(Lead-in)​StartingStation(Lead-in)​1.Whatcoloristhetrain?2.Wheredoesthetraintravel?It’sredandwhite.FromMombasatoNairobi.这列火车往返于哪里？1.Whatdoyouthinkthetextmaytalkabout?Maybeit’saboutafastrailway.Maybeit’saboutafasttrain.TheExpressWay(FastReading)TheExpressWay(FastReading)2.Whattypeofwritingisthetext?A.Narrativewriting.记叙文B.Expositorywriting.说明文C.Argumentativewriting.议论文D.Practicalwriting.应用文Itprovidesfactsandrealpeople'scommentsaboutaspecificevent.TheExpressWay(FastReading)Matchthemainideawitheachparagraph.CommentsfromlocalpeopleThefastnewrailwayTheintroductionoftheoldrailwayThetwocountriesworkingtogetherCarefulReading:DetailedStationsWewillstopthetrainatfourspecificstationsforadetailedobservation.TheHistoryStation(Para1-2)TheHistoryStationhidessomeimportantnumbers.Let’sfindthem!about41048019012017over2million1._______:theyearthenewrailwaywasopened2._______:theyeartheoldrailwaylinewasbuilt3.____________:thenumberofpeoplewhousethenewtraineveryyear4._______:thelengthoftheMombasa-Nairobirailwayinkilometres5._______:thehoursitusedtotaketoreachNairobifromMombasabytrain6.________:thehoursittakestoreachNairobifromMombasanowbytrain20171901over2million48010about4Numberscantellthestories.HistoryPopularityfasterimprovepeople’slifeimportanceTheHistoryStation(Para1-2)1.Whatwastheproblemwiththeoldrailway?Beforethen,theonlytransportlinksbetweenMombasa,Kenya’smainport,andNairobi,Kenya’scapital,wereroughroadsandanoldrailwaylinebuiltin1901.theonlytransportlinkswereroughroadsandanoldrailwaylinebuiltin1901anoldrailwaylinebuiltin1901=anoldrailwaylinethat/whichwasbuiltin1901e.g.Thelibraryhasmanystorybooks(thatwere)written

formiddleschoolstudents.Theoldroadswereroughandthetrainswereslow.However,thenewrailway,builtwithChina’shelp,hasalreadycutthetraveltimebetweenMombasaandNairobitoaboutfourhoursforpassengers.thenewrailwayhasalreadycutthetraveltimethenewrailway,builtwithChina’shelp=thenewrailway,whichwasbuiltin1917e.g.Thereadingclub,(whichwas)

startedlastsemester,hashelpedmanystudentslovereading.2.Whohelpedbuildthenewrailway?China.ThePeopleStation(Para3)We’vearrivedatThePeopleStation.Wow!Therearealotofpeople.Whoistalking?ThePeopleStation(Para3)​"Iamhappybecausemypeoplehavebecomerich."(________)​"Thetrainischeapandhelpsmemakedealseasily."(________)​"Icansellfresherfoodtopeoplenow."(________)Localpeoplehavebenefitedalotfromthenewrailway.Therailwaymakeslife____________________.better/easier/moreconvenientAABCBCDoestherailwayonlybringgoodthings?Whyorwhynot?CriticalThinkingItmakestravelfaster.Ithelpsbusinessgrow.Itismoreconvenientforpeopletolive.Buildingrailwaysmaycostalotofmoney.Itmayaffectanimalsornature.Someplacesmaybecomenoisy.👉Developmentisimportant,butprotectingpeopleandnatureisimportant,too.TheCargoStation(Para3)2.Whyisitimportanttomakefoodtransporteasier?ConvenienttransportFreshfoodBetterlife1.Whatisthechangeinfoodtransport?Stop4:TheFriendshipStation(Para4)1.Whatdoes“onthefasttrack”mean?Thetrainrunsfast.Kenya'sdevelopment/people'slifeisimprovingquickly.Why?Stop4:TheFriendshipStation(Para4)2.Whyistherailwayasignof“workingtogether”?Becauseitrunsfasternowandsavesalotoftraveltime.BecauseChinaandKenyabuiltittogethertohelppeople.Becauseitmakesfoodfresherandimprovesdailylife.Becausemorepeoplecantraveleasilyandquicklythanbefore.WorkingtogetherSharedbenefitsBetterworld共享红利/共同获益In2017,thenew480-kilometreMombasa-Nairobirailwaywasopened.Beforethen,theonlytransportlinksbetweenMombasa,Kenya’smainport,andNairobi,Kenya’scapital,wereroughroadsandanoldrailwaylinecompletedin1901.Theoldtrainswereveryslow.Ittook10hourstogettoNairobifromMombasabytrain.OntheFastTrack2.Whatwastheproblemwiththeoldrailway?Theoldtrainswereveryslow.Ittook10hourstogettoNairobifromMombasabytrain.Ittakes+时间+todosth.做某事花费多长时间LocalKenyanshavebenefitedalotfromthenewrailway.Agovernmentworkersaid,“I’mveryhappywiththenewrailwaybuiltbyourChinesefriends.Manychangeshavetakenplaceinthetownoverthelastfewyears,andthepeoplewholiveherehavebecomerich.”Abusinessmansaid,“Myexperienceofusingthetrainsince2017hasbeengood.Itisveryconvenientanddoesn’tcostmuchmoney.Iamabletogettoplacesontimeandmakebusinessdealswithease.”Therailwayhasalsomadethetransportoffoodeasier.“Itusedtotakehundredsoflorriestocarryfoodbetweenthetwocities,butnowittakesonlytwoorthreetrains”saidasupermarketmanager.Asaresult,peoplenowhavemorefreshfoodtoeat.3.HowhavelocalKenyansbenefitedfromthenewrailway?First,localpeoplehavebecomerich.Second,thenewrailwayisconvenientanddoesn’tcostmuchmoney.Third,ithasalsomadethetransportoffoodeasier.3.HowhavelocalKenyansbenefitedfromthenewrailway?4.Whyisitimportanttomakefoodtransporteasier?Becausepeoplecanhavemorefreshfoodtoeat.Therailwayhasalsomadethetransportoffoodeasier.“Itusedtotakehundredsoflorriestocarryfoodbetweenthetwocities,butnowittakesonlytwoorthreetrains”saidasupermarketmanager.Asaresult,peoplenowhavemorefreshfoodtoeat.AlthoughChinaandKenyaarefarawayfromeachother,therailwayshowshowdifferentcountriescanworktogethertobuildabetterworld.10.WhatcanwelearnfromthenewMombasa-Nairobirailway?Howdifferentcountriescanworktogethertobuildabetterworld.It’sabridgeoffriendshipbetweenKenyaandChina.5.Whatdoes“onthefasttrack”mean?Ithasadoublemeaning.Ontheonehand,itmeansthenewrailwayisveryfastandmakestravelmuchquicker.Ontheotherhand,itmeansKenyaisdevelopingfast—it’s“onthefasttrack”toprogress.它有双重含义。一方面，它指这条新铁路速度很快，让出行变得更加快捷；另一方面，它寓意肯尼亚正在飞速发展，走上发展进步的快车道。FromKenyatotheWorldTherailwaychangedKenya.1.Haveyouseenorheardofanysimilarchangesintheworldoverthelastseveralyears?Wherewasitandwhathappened?Yes,theChina-LaosRailway(中老铁路).ItconnectsKunmingtoVientiane.IthashelpedLaosbecomealand-linkedcountryinsteadofaland-lockedone.Itbringstouristsandtrade.IheardabouttheJakarta-BandungHigh-SpeedRailway(雅万高铁)inIndonesia.ItwasalsobuiltwithChinesehelp.Itmakestravelbetweenthetwocitiesmuchfaster.FromKenyatotheWorldTherailwaychangedKenya.1.Haveyouseenorheardofanysimilarchangesintheworldoverthelastseveralyears?Wherewasitandwhathappened?Yes,theChina-LaosRailway(中老铁路).ItconnectsKunmingtoVientiane.IthashelpedLaosbecomealand-linkedcountryinsteadofaland-lockedone.Itbringstouristsandtrade.IheardabouttheJakarta-BandungHigh-SpeedRailway(雅万高铁)inIndonesia.ItwasalsobuiltwithChinesehelp.Itmakestravelbetweenthetwocitiesmuchfaster.它连接昆明与万象。它帮助老挝从一个内陆锁国变成陆上联通过往的国家，带来游客与贸易。我听说过印度尼西亚的雅万高铁。它同样在中国的援助下建成，让两座城市之间出行变得快很多。Jakarta/dʒəˈkɑːtə/n.雅加达Bandung/ˈbɑːndʊŋ/n.万隆High‑SpeedRailway高速铁路Indonesia印度尼西亚bebuiltwithChinesehelp在中国援助下修建1.

中老铁路：中国昆明--老挝万象（东南亚中南半岛，陆路）2.

雅万高铁：印尼雅加达--万隆（海岛国家印尼）

makestravelbetweenthetwocitiesmuchfaster

使两座城市之间出行快得多。FromKenyatotheWorld2.InwhatotherwayscanChinaworktogetherwithothercountriestobuildabetterworld?SummaryParagraph1introductionThenewtrainlinewas________in2017.oldrailwayParagraph2newrailwayParagraph3commentsfromlocalsgovernmentworker:businessman:supermarketmanager:Paragraph4conclusionopenedItwasbuiltin1901;traveltook10hours.Traveltimewascuttoabout4hours;over2millionpeopleuseityearly.Peoplehavebecomerich.Convenient,cheap,goodforbusinessdeals.Countriescanworktogethertobuildabetterworld.Foodtransporteasier,morefreshfood.Let’slookbackandsee:Howdidtherailwaychangepeople’slives?What’sthebenefitsof“BeltandRoad”?PolicycoordinationInfrastructureconnectivityUnimpededtradeFinancialintegrationBeltandRoadWin-wincooperationBringbenefitstotheworld.Bringbenefitstothepeople.TheFutureStationSelf-assessmentHowwellcanyoudothesethings?VerywellOKNeedswork1.IhaveunderstoodthemainideaanddetailsofthepassageabouttheMombasa–Nairobirailway.2.Icanusekeywordsandsentencestodescribethechangesbroughtbytherailway.3.Icananalyzehowtherailwayimprovespeople’slivesandtransport.4.Ihaveunderstoodtheimportanceofcooperationbetweendifferentcountries.Languagepoints1.Asaresult,peoplenowhavemorefreshfoodtoeat.

结果，人们现在能吃上更多新鲜食物了。asaresult：结果、因此asaresultof由于……的结果（介词短语，后接原因）resultin导致，造成（结果）resultfrom由……引起，起因于（后接原因）例讲句1.Asaresultoftheheavyrain,thematchwascancelled.由于大雨，比赛被取消了。2.Hardworkcanresultinsuccess.努力工作能带来成功。3.Successresultsfromcarefulplanningandeffort.成功源于周密的计划和努力。Mustdo:RetellthechangesbroughtbytheMombasa–Nairobirailwayinyourownwords.Choosetodo:Interviewyourparentsorclassmates:“Howhasmoderntransportchangedourlives?”Writedownatleast3ideas.HomeworkLanguagepoints2.Beforethen,theonlytransportlinksbetweenMombasaandNairobiwereroughroadsandanoldrailwayline.在那之前，蒙巴萨和内罗毕之间唯一的交通连接是崎岖的公路和一条旧铁路线。例讲句transportv.运输，运送；n.交通运输，运输工具publictransport公共交通transport...from...to...把……从……运到……transportation(n.)运输，交通（美式常用，与transport同义）Truckstransportfreshvegetablesfromfarmstosupermarkets.

卡车把新鲜蔬菜从农场运到超市。Therailwayhasalsomadethetransportoffoodeasier.这条铁路还让食品运输变得更加容易。Languagepoints3.Iamabletogettoplacesontimeandmakebusinessdealswithease.我能准时到达各地，轻松地达成商业交易。dealn.交易，协议

；v.处理，应对dealwith处理，应对agreatdealof大量的（接不可数名词）makeadeal达成协议/做交易例讲句1.Weneedtodealwiththisproblemimmediately.我们需要马上处理这个问题。2.Theprojectrequiresagreatdealoftimeandeffort.

这个项目需要大量的时间和精力。3.Thetwocompaniesmadeadealtosharetechnology.

这两家公司达成了技术共享的协议。Languagepoints4.Itisveryconvenientanddoesn’tcostmuchmoney.

它非常方便，而且花费不多。例讲句convenientadj.方便的，便利的convenience(n.)方便，便利。atyourconvenience在你方便的时候inconvenient(adj.)不方便的1.Thesupermarketisopen24hoursfortheconvenienceofcustomers.

这家超市24小时营业，方便顾客。2.Thebusscheduleisreallyinconvenientfornightworkers.

这个公交时刻表对夜班工人来说很不方便。3.Youcanpaythebillatyourconvenience.你可以在方便的时候付款。Languagepoints5.LocalKenyanshavebenefitedalotfromthenewrailway.

当地的肯尼亚人从这条新铁路中受益良多。例讲句benefitv.使受益；获益；n.好处，利益benefitfrom从……中获益beneficial(adj.)有益的，有利的反义词：harm(v./n.)伤害1.Wecanallbenefitfromregularexercise.我们都能从经常锻炼中获益。2.Freshfoodisbeneficialtoourhealth.新鲜食物对我们的健康有益。3.Smokingwillbenefitnoone;itonlyharmsyourbody.

吸烟对谁都没好处，只会伤害你的身体。Exercise一、用方框中所给单词的适当形式填空。

（rough,convenient,benefit,passenger,lorry）1.Theoldroadswerevery________,sotravellingwasdifficult.2.Thenewtraincancarrythousandsof___________everyday.3.Localpeoplehavereceivedmany________fromthenewrailway.4.Foodwasoftendeliveredbyhundredsof________inthepast.5.Thebusinessmanfindsthetrainvery___________becauseitsavestimeandmoney.roughpassengersbenefitslorriesconvenient二、在课文中找出与以下释义对应的单词或短语。themostimportantcityofacountry,wherethegovernmentis(n.)________tomakesomethingsmallerorshorter(v.)________anagreementinbusiness(n.)________newlyproducedandgoodtoeat(adj.)___