Unit 1 Section B (1a-2c)课件（内嵌视频）2026-2027学年人教版英语九年级上册

Unit1TheChangingWorld课时4(1a-2c）SectionBHowdochangeinfluencesus?

Learninggoalsl.understandandanalyzethebefitsofthenewrailwayforlocalKenyans.2.discusshowthechangesinfluencepeople’slivesandlearntosummarizeinformationinastructuredtable.3.thinkcriticallyabouthowcountriescanworktogethertobuildabetterworld.Pre-Reading1aDoesyourhometownhaveatrainsystem?Howdoesitbenefitlocallives?Yes,itdoes.Myhometownnowhasseveralrailwaylines.Wecaneasilygotoothercitiesforworkortravel.Also,localfarmerscanquicklyselltheirfruitandvegetablestootherplaces.While-listening1bLookatthetitleandthepicture.Whatisthetextprobablyabout?Thenreaditquicklytocheckyourprediction.OntheFastTrackMakingpredictionsThetitleandpicturescanhelpyouguesswhatthetextisabout.OntheFastTrackIn2017,thenew480-kilometreMombasa-Nairobirailwaywasopened.Beforethen,theonlytransportlinksbetweenMombasa,Kenya’smainport,andNairobi,Kenya’scapital,wereroughroadsandanoldrailwaylinecompletedin1901.Theoldtrainswereveryslow.Ittook10hourstogettoNairobifromMombasabytrain.1bLookatthetitleandthepicture.Whatisthetextprobablyabout?Thenreaditquicklytocheckyourprediction.While-ReadingHowever,thenewrailway,builtwithChina’shelp,hasalreadycutthetraveltimebetweenMombasaandNairobitoaboutfivetosixhoursforpassengers.Now,morethantwomillionpeopleuseiteveryyear.cut...to...把……缩减至……超过While-ReadingWhile-ReadingLocalKenyanshavebenefitedalotfromthenewrailway.Agovernmentworkersaid,“I’mveryhappywiththenewrailwaybuiltbyourChinesefriends.Manychangeshavetakenplaceinthetownoverthelastfewyears,andthepeoplewholiveherehavebecomerich.”Abusinessmansaid,“Myexperienceofusingthetrainsince2017hasbeengood.Itisveryconvenientanddoesn’tcostmuchmoney.[可数名词]体验While-ReadingIamabletogettoplacesontimeandmakebusinessdealswithease.”Therailwayhasalsomadethetransportoffoodeasier.“Itusedtotakehundredsoflorriestocarryfoodbetweenthetwocities,butnowittakesonlytwoorthreetrains,”saidasupermarketmanager.Asaresult,peoplenowhavemorefreshfoodtoeat.AlthoughChinaandKenyaarefarawayfromeachother,therailwayshowshowdifferentcountriescanworktogethertobuildabetterworld.准时While-Reading1cMatchthenumberswiththeinformation.about41048019012017over2million1.____________:theyearthenewrailwaywasopened2.____________:theyeartheoldrailwaylinewasbuilt3.____________:thenumberofpeoplewhousethenewtraineveryyear4.____________:thelengthoftheMombasa-Nairobirailwayinkilometres20171901over2million4805.________:thehoursitusedtotaketoreachNairobifromMombasabytrain6.________:thehoursittakestoreachNairobifromMombasanowbytrain1cMatchthenumberswiththeinformation.about41048019012017over2million10about4While-Reading1dWhile-ReadingReadagainandanswerthequestions.1.Whattypeofwritingisthetext?2.Whatwastheproblemwiththeoldrailway?3.HowhavelocalKenyansbenefitedfromthenewrailway?Itisanewsreport.Theoldrailwaywasveryslow.Ittook10hourstotravelfromMombasatoNairobi.Theycantravelfasterandcheaper,dobusinessmoreeasily,getfreshfoodmorequickly,andmanyhavebecomerich.While-Reading4.Whyisitimportanttomakefoodtransporteasier?5.Whatdoes“onthefasttrack”mean?Becauseeasierfoodtransportcanmakepeoplehavemorefreshfoodtoeat.Itmeansmakingrapidprogressordevelopingquickly.Here,itmeansthefastspeedofthenewrailwayandtherapiddevelopmentitbrings.While-Reading1eCompletethetablewiththeinformationfromthetext.IntroductionThenewrailwaywas_______in2017.OldrailwayNewrailwayopenedTheoldrailwaylinewascompletedin1901andtheoldtrainswereveryslow.Thenewrailwaycutsthetraveltimetoaboutfivetosixhours.Over2millionpeopleuseiteveryyear.While-ReadingCommentsfromlocalsgovernmentworker:businessman:supermarketmanager:ConclusionBehappywiththenewrailway.Manychangeshavetakenplaceandpeoplehavebecomerich.Itisveryconvenientandcheap,andhelpsmakebusinessdealswithease.Thenewrailwayhasmadethetransportoffoodeasier.Thenewrailwayshowshowdifferentcountriescanworktogethertobuildabetterworld.Languagefocus1fDiscussthequestions.1.Haveyouseenorheardofanysimilarchangesintheworldoverthelastseveralyears?Whereweretheyandwhathappened?Yes,IhaveheardoftheAbuja-Kadunarailway(阿卡铁路).ItisinNigeria.Therailwaywasopenedin2016.Now,thetraincutsthetraveltimetojustaround2hours,makingthetripmuchquicker.Languagefocus2.InwhatotherwayscanChinaworktogetherwithothercountriestobuildabetterworld?IthinkChinacanworkwithothercountriesinmanyways.First,wecansendmedicalteamstocountriesinneedtoimprovetheirpublichealthsystems.Second,wecanhelpbuildmoreroads,hospitalsandschoolsincountriesinneedtoimprovelocalpeople’slives.Third,wecanworktogethertoprotecttheenvironment,likeplantingmoretreesordevelopingcleanenergy.Exercises2aUseawordontheleftandawordontherighttocreateacompoundword.Whatothercompoundwordsdoyouknow?sand+storm=sandstormfarm+land=farmlandhigh+way=highwayrail+road=railroadExercises2bCompletethesentenceswiththewordsinthebox.productcornbridgewidecapital1.Theroadusedtobenarrowanddirty.Now,itis_____andclean.2.The______madeitconvenientforthevillagerstotravelacrosstherivertothecity.3.Beijing,China’s______,hostedthe2008SummerOlympicsandthe2022WinterOlympics.widebridgecapitalExercises4.Ourfarmhasalotoflayinghens.Theyfeedon_____,vegetables,andinsects.5.Look!Thisisadigital_______thatonlysellsonline.cornproduct蛋鸡以……为食Exercises2cCompletethepassagewiththecorrectformsofthewordsinthebox.WhatotherstoriesdoyouknowaboutChina'senvironmentalachievements?governmentbushsandstormresultsandysoilIn1962,WangShanghaimovedwithhisfamilyfromtheirhouseinChengdetothe________landsofSaihanba.Therewerefewtreestoholdthe_________together,andtherewereoften_________.sandysandstormssoilExercisesTemperatureswerebelowfreezingduringthewinter.Lifetherewasverydifficult.Withsupportfromthe___________,WangShanghailedagroupof369peoplewhoweredeterminedtomaketheenvironmentofSaihanbabetter.Overthenext60years,workersplanted_______andtrees,creatingtheworld'sbiggestman-madeforest.Today,Saihanbaisknownas“thegreenmiracle”.Thisisthe_______ofhardworkandpeopleworkingtogether.Now,thelandiscoveredwithgreentreesandthewateriscleanandfresh.governmentbushesresultmakesth.+adj.

使某物……Languagefocuslink/lɪŋk/n.

交通路线；联系 v.

连接①

n.

交通路线Thenewsubwaylinkmakesiteasytogototheairport.这条新地铁线使去机场很便捷。②

n.

联系Thereisacloselinkbetweenhardworkandsuccess.努力和成功之间有紧密的联系Languagefocus③

v.

连接同义词为connect，指把物体、地方等连接起来，或把两个事物、因素等联系起来link...with/to/and...把……和……连接/联系起来Thisrailwaylinksthesefourcitiestogether.这条铁路把这四座城市连接了起来。link...(together)把……连接/联系起来Welinkthunderwithlightningbecausetheyusuallyhappentogether.我们把雷声和闪电联系起来，因为它们通常同时发生。Languagefocuscapital/ˈkæpɪtl/n.

首都除“首都”外，还可表示“省会；首府”。thecapitalof……的首