Unit 1 The Changing World Section B 1a-4d 课件（内嵌视频）2026-2027学年人教版英语九年级上册

2026人教版英语九年级上册Unit1TheChangingWorldSectionB1a-4dU1,G9,AHowtoMakePredictionsWhatisapredictionGuesswhatwillhappennextBasedontextimformationNotblindguessesWaystomakepredictionsLookatthetitleandpicturesReadthefirstparagraphFindkeywordsAnalyzethecontextUselifeexperienceU1,G9,AHowtoMakePredictionsStepsFindcluesinthetextThinklogicallyPutforwardyourguessContinuereadingtocheckChangeyourpredictionifnecessaryUsefulexpressionsIpredictthat...Ithink...will...Maybe/Perhaps...Itseemsthat...TipsPredictionsmayberightorwrongNewinformationcanchangeyourideasHelpbetterunderstandthepassageAnExpositoryessayWhatisit?Explainfacts,ideasorchangesObjective,tellinformationNostories,nostrongargumentsStructureIntroductionBackgroundTopicsentenceBodyOnemainideaeachparagraphSupportwithfacts&examplesLogicalorder:time/listingConclusionSumupmainideasSimplehope/opinionAnExpositoryessayCommonorganizationwaysTimeorder(past→nowListingorder(First...Besides...)Cause&effectUsefullinkingwordsInthepast/NowadaysBesides/What'smoreInshort/AllinallTipsKeepobjectiveOneideaperparagraphAvoidtoomanyfeelingsUseclearandsimplelanguage1.InShortChangesinfluenceusinmanyways.Goodchangesmakeusgrowbetter,whilebadchangesteachusvaluablelessons.2.StandardChangesinfluenceourfeelings,habitsanddecisions.Whenwefacenewchanges,wemayfeelnervousatfirst.Butifweacceptchangesbravely,wecanlearnnewskillsandbecomestronger.3.HighGradesChangesareeverywhereandtheyinfluenceusdeeply.Somechangesbringchancesandhappinesstous.Otherchangesbringtrouble.Nomatterwhatkindofchangeswemeet,wecanlearnfromthemandmakeprogresslittlebylittle.1.InShortYes.Myhometownhastrainsandlightrail.Ithelpspeopletravelfaster,savestimeandmakesiteasiertogotoworkorvisitothercities.2.StandardYes,myhometownhasacompletetrainsystem,includinghigh-speedrailwaysandurbanlightrail.Itbringsgreatconveniencetolocalpeople.Travellingbetweencitiesbecomesmuchquicker.Besides,cheaperpublictransportcutslivingcostsandhelpslocaltradeandtourismdevelop./No.Myhometowndoesn'thaveatrainsystemyet.Peoplemainlytakebusesordrivecars.Wehopearailwaywillbebuiltsoontomakeourtripseasier.StandardModelforGrade9Yes,myhometownhasatrainsystemwithhigh-speedrailways.Itgreatlybenefitslocallives.Firstofall,itshortenstraveltimebetweencities.Peoplecangotowork,studyortravelmoreconveniently.What'smore,ithelpsdeveloplocalbusinessandtourism,bringingmorechancesforlocalpeople.U1,G9,AU1,G9,AU1,G9,AThetextisprobablyaboutanewfastrailwayinKenya(theMombasa-Nairobirailway)andhowithasimprovedtransportandpeople'slivesthere./ThetextisprobablyaboutthenewMombasa-NairobirailwayinKenya,whichhasgreatlyshortenedtraveltimeandchangedlocalpeople'sliveswiththehelpofChina.U1,G9,AKeyWords1.railway,transport,rough,capital,passenger,local,benefit,convenient,lorry,fresh,businessman,deal,managerKeyPhrases1.onthefasttrack步入快车道；快速发展2.beopened通车；开放3.transportlinks交通线路4.take...hourstodosth.花费......小时做某事5.withChina'shelp在中国的帮助下6.cuttraveltime缩短出行时间7.benefitalotfrom...从......获益良多8.takeplace发生9.makebusinessdeals做生意；达成交易10.withease轻松地；轻易地11.asaresult因此；结果12.farawayfrom远离13.worktogether合作；携手KeySentencePatterns1.Ittakes10hourstogettoNairobifromMombasabytrain.句型：Ittakes/took+时间段+todosth.花费多长时间做某事拓展写作：Ittakesusanhourtotravelbetweenthetwocities.2.Thenewrailwayhasalreadycutthetraveltimetoaboutfourhours.句型：cut...to...把......缩短到......3.LocalKenyanshavebenefitedalotfromthenewrailway.句型：benefitfromsth.从某事/某物中受益（完形、写作高频）4.Manychangeshavetakenplaceinthetownoverthelastfewyears.句型：takeplace发生（无被动语态、无进行时态，易考点）overthelastfewyears近几年来（常搭配现在完成时）5.Itisveryconvenientanddoesn'tcostmuchmoney.句型：Itis+adj.(描述实物特点)6.AlthoughChinaandKenyaarefarawayfromeachother,therailwayshowshowdifferentcountriescanworktogethertobuildabetterworld.句型：Although引导让步状语从句，不能与but连用。U1,G9,A20171901morethan2million48010aboutfivetosixU1,G9,A1.Itisanexpository/newsreporttext.2.Itwasslow,builtin1901,andtook10hourstotravelbetweenthetwocities.3.Theybecamericher,businessmentravelconveniently,andpeoplegetmorefreshfood.4.Becausepeoplecanhavemorefreshfoodtoeat.5.Itmeanstherailwayisfast,andKenyaisdevelopingquickly.U1,G9,AopenedItwasbuiltin1901,slow,andtook10hourstotravelbetweenMombasaandNairobi.Itis480kmlong,takesabout4hourstotravel,andover2millionpeopleuseiteveryyear.Happywiththenewrailway;thetownhaschangedalotandpeoplehavebecomerich.Thetrainisconvenientandcheap;hecanmakebusinessdealseasily.Foodtransportiseasier,peoplenowhavemorefreshfoodtoeat.Therailwayshowsdifferentcountriescanworktogethertobuildabetterworld.U1,G9,A1.Yes.IhaveheardoftheChina-LaosRailway.ItconnectsChinaandLaos.Before,travellingbetweenthetwocountriestookaverylongtime.Aftertherailwayopened,thejourneybecomesmuchshorter.Ithelpslocalpeopletradegoodsanddeveloptourism.2.First,Chinacansharetechnologyinagricultureandgreenenergy.Second,Chinacanhelpbuildroads,hospitalsandschoolsindevelopingcountries.Third,countriescancommunicateineducationandculture.Studentscanvisitandlearnfromeachother.U1,G9,Agreen+house=greenhouse温室sand+storm-sandstorm沙尘暴high+way=highway公路farm+land=farmland农田rail+road=railroad铁路blackboardclassroomsunsetmoonlightbookstoreU1,G9,AwidebridgecapitalcornproductU1,G9,Asandysoilsandstormsgovernmentbushesresult名变形+y，修饰名词不可数名词可数名词可数名词可数名词，sh结尾+es固定搭配WeknowabouttheLoessPlateaure-greeningproject.Manyhillsarecoveredwithtreestostopsoilerosion.我们知道黄土高原退耕还林工程，大量山丘种上树木，防止水土流失。VideoU1,G9,AThefeelingofloveandhappinesssharedbyhisfamilystaysthesame.1.uesdtodosth.过去常常做某事2.bedifferentfrom与......不同3.moveto搬到4.attendgroupdiscussions参加小组讨论5.staythesame保持不变U1,G9,APrimaryschoolwasnearhome;walkedtoschoolwithparents.Livedinasmallflat;grandmadidnotlivewiththem.(Notmentionedasconfident/doinggroupdiscussions)Juniorhighschoolisfartherfromhome;takesabuswithfriendseveryday.LIvesinamuchlargerflat;grandmaliveswiththemandhasherownroomandTVset.Moreconfidentinstudies;oftenattendsgroupdiscussionsandenjoysstudyingwithfriends.U1,G9,AInprimaryschoolNowhomeIlivedinasmallflat.Iliveinabiggerhouse.schoolMyschoolbuildingwasold.Thererenewclassroomsinmyschool.studyIhadlittlehomework.Ihavemuchmorehomeworkandmoresubjects.neighbourhoodTherewerefewshopsnearby.Therearemanyshopsandparksaround.transportIwenttoschoolonfoot.Itakethebustoschool.environmentTherewerefewertrees.Therearemoretreesandflowers.U1,G9,AMylifehaschangedgreatlysinceprimaryschool.Iusedtowalktoschool,butnowItakeabus.Ihadfewsubjectsbefore,whileIlearnmanymoresubjectsnow.Wemovedintoalargerhome.Lotsofthingschange,butmyloveforreadingstaysthesame.Italwaysbringsmepleasure.MylifehaschangedalotsinceIwasinprimaryschool.First,Iusedtowalktoschoolwithmyparents,butnowItaketheschoolbuswithmyclassmates.It'sagreattimetotalkandlaughwiththemontheway.Second,myhomelifeisdifferenttoo.Wemovedtoabiggerapartment,andInowhavemyownbedroom.Icanreadandstudytherequietly.Third,mystudieshavechanged.Ihavemoresubjectsnow,likephysicsandchemistry,andIoftenworkongroupprojectswithmyfriends.Eventhoughmanythingshavechanged,theloveandwarmthofmyfamilystaysthesame.Everynight,wehavedinnertogetherandshareourday'sstories,andthatmakesmefeelsafeandhappy.communicationfood&diet1.technologyPast:Peopleonlyusedoldmobilephones.Now:Weusesmartphonesandcomputerseveryday.2.environmentPast:Therewerelotsofcleanriversandwildtrees.Now:Peoplepaymoreattentiontoprotectingtheenvironment.3.transportPast:Mostpeoplewalkedorrodebikestogoout.Now:Wecantakebuses,subwaysandprivatecarseasily.U1,G9,A4.entertainmentPast:PeoplewatchedTVorlistenedtotheradioforfun.Now:Weenjoyshortvideos,onlinegamesandconcerts.5.educationPast:Studentsonlylearnedknowledgefromtextbooks.Now:Wetaakeonlinelessonsandwatchteachingvideos.6.shoppingPast:Peopleboughtthingsonlyinphysicalshops.Now:Onlineshoppingdeliversgoodsrighttoourhomes.7.housingPast:Familieslivedinsmall,simplehouses.Now:Mostpeopleliveinbrightflatswithcompletefurniture.8.medicalcarePast:Itwashardtoseegooddoctorsquickly.Now:Wecanmakehospitalappointmentonlineconveniently.9.communicationPast:Peoplekeptintouchbywritingletters.Now:Wechatwithfamilyandfriendsthroughvideocalls.10.food&dietPast:Peoplemainlyaresimplehome-madefood.Now:Wehaverichfoodchoicesandpayattentiontohealthyeating.U1,G9,AWhatwasyourschoollifeandlessonslikeinyourteenageyears?5.Wheredidyouusuallybuydailygoodsinthepast?6.Whatkindofhousesdidyourfamilyliveinwhenyouwereyoung?7.Wasiteasyforyoutoseeadoctorwhenyougotsicklongago?8.Howdidyousendmessagestoyourrelativesfarawaybeforesmartphones?9.Wasthesurroundingenvironmentcleanerwhenyouwereyoung?10.Whatkindsoffooddidyourfamilyusuallyeateverydayyearsago?1.Computer&technologyAnswer:Therewerealmostnopersonalcomputers.Weonlysawhugecomputersinbigfactories.2.TransporttoschoolAnswer:Irodeanoldbiketoschooleveryday.Ittookmeabout40minutesoneway.3.EntertainmentAnswer:Welistenedtoradiosandplayedoutdoorgameswithfriendsafterschool.4.EducationAnswer:Weonlystudiedbasicsubjects.Therewerenoonlinecoursesorteachingvideos.5.ShoppingAnswer:Weboughtdailythingsatsmalllocalshopsandcountrymarkets.6.HousingAnswer:Myfamilylivedinasmallbrickhousewithasimplefuture.U1,G9,A7.MedicalcareAnswer:Clinicswerefew.Ifwewereill,weusuallytooksimplehomemedicinefirst.8.CommunicationAnswer:Wewrotepaperletterstocontactrelativeslivinginothercities.9.EnvironmentAnswer:Theairandriverswereveryclean,withlotsoftreesaroundvillages.10.DailyfoodAnswer:Wemostlyatehome-grownvegetablesandseldomhadmeatindailymeals,U1,G9,AStudentswalkedorrodebikestoschoolEntertainmentwasmostlyoutdoorgamesorlisteningtotheradio.Peopleshoppedonlyatsmalllocalstoresormarkets.Familieslivedinsmallhouseswithsimplefurniture.Communicationwithdistantrelativesreliedonhandwrittenletters.Studentscantakebuses,subwaysorprivatecarstoschool,it'smuchfaster.Peopleenjoyonlinegames,shortvideosandstreamingservicesforfun.Onlineshoppingispopularanddeliversgoodsrighttoourhomes.Mostfamiliesliveinlargerflatswithmodernappliances.Weusesmartphonestomakevideocallsandchatanytime.DifferencesBetweenLifeThenandNowGoodmorning,everyone.TodayIwanttotalkaboutthebigchangesinpeople'slifebetweenthenandnow.Firstofall,aboutelectronicdevices.Yearsago,almostnofamilieshadhomecomputers.Butnow,computersandsmartphonesareeverywhereinourdailylife.Secondly,transportwasverydifferent.Olderpeopleusuallywalkedorrodeoldbikestoschool.Nowadays,wecantakebuses,subwaysorprivatecarstogoout,whichsaveslotsoftime.Thirdly,waysforfunchangedalot.Inthepast,peopleplayedoutdoorgamesorlistenedtotheradiotorelax.Todaywewatchvideos,playonlinegamesandenjoyallkindsofdigitalentertainment.Besides,shoppingandcommunicationalsobecomemucheasier.Peopleboughtthingsinphysicalshopsandwroteletterstocontactrelativesbefore.Nowweshoponlineandmakevideocallsanytimewewant.Lifeismuchmoreconvenientnow.Thesechangesshowthefastdevelopmentofoursociety.That'sallformyspeech.Thankyou.U1,G9,AU1,G9,A改变是创造更美好未来的机会。1.Technology,socialdevelopment,people'sneedsandnewideasbringaboutchanges.2.Thechangeincommunicationimpressedmemost,becauseitmakeskeepingintouchmuchfasterandeasier.3.Yes,Ican.Forexample,wrotelettersbefore;technologyhaschangedcommunicationgreatly.