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

SectionA(1a-1d)Inthisunit,youwill：1.talkabouthowthingsaredifferentfromthepast.（谈论事物和过去相比发生的变化）2.discusshowchangeshaveinfluencedourlives.（探讨变化如何影响我们的生活）3.findouthowchangeshappened.（探究变化发生的缘由）4.explorewhatyoucandoforyourhometown.（思考自己能为家乡做些什么）Whatbringsaboutchanges??BIGQuestionLookandshareHowarethesetwophotosdifferent?2.Howhasthisplacechangedovertime?Oneisdrywithonlyonetree.Theotherisgreenwithmanytress.3.Whydoyouthinkthisplacehaschangedsomuch?Itchangedfromdryandbaretogreenandlively.Peopleplantedtreesandprotecttheland.Thegovernmentmadeeffortstoprotecttheenvironment.Whatbringsaboutchanges??BIGQuestion带来；引起LearningObjectives通过本节课的学习，学生能够：1.能听懂两段有关家乡变化的对话，获取对话中关于交通、医疗、购物、环境等方面的过去与现在的对比。初步感受usedto结构。（学习理解）2.能根据听力内容完成任务表格，能使用usedto与now/现在完成时

进行过去与现在对比。（应用实践）3.能讨论家乡各项变化产生的原因，能提出改善环境问题的个人想法。（迁移创新）Lead-inChangesWhatchangeshavetakenplaceinyourhometown?changesintransportationChangesWhatchangeshavetakenplaceinyourhometown?changesinhousingChangesWhatchangeshavetakenplaceinyourhometown?changesincommunicationChangesWhatchangeshavetakenplaceinyourhometown?changesineducationChangesWhatchangeshavetakenplaceinyourhometown?changesinenvironmentPre-listeningchangesPastPresentWhatdothesetwophotosshow?ChangesThephotosshowchangesinLiRui'shometownovertheyears.Whatarethey?Howdotheymakeyoufeel?1aadryandsandyareaanareacoverdwithgreentreesdrywastelandrichgreenfarmlandlonelyoldbuildingparks&newbuildingsChangesThephotosshowchangesinLiRui'shometownovertheyears.Whatarethey?Howdotheymakeyoufeel?surprisedamazedproud1aWhatchangesinLiRui’shometown?ThisisLiRui’shometown.ItisinYulin(榆林)city，Shangxiprovince.YulincityisnexttotheMuUsDesert(毛乌素沙漠).Thedesertinfluences(影响)people’slivesalot.Butnowithaschangedalot.While-listening1bNow,wewilllistentoashorttelephoneconversationin1b.Listenthenanswerthequestions.1.WhydoesGeorgecallLiRui?2.WhendidGeorge'sfatherlastvisittheplace?3.WhatistherelationshipbetweenGeorge'sfatherandLiRui'sgrandfather?HecallstoaskifLiRuicanbeaguideforhimandhisfather.Theyaregoodfriends.About20yearsago.1bListentotheconversationandfillintheblanks.LiRui:Hello,George.George:Hi,LiRui.Guesswhat?Myfather,Bob,andIaregoingtovisityour_____________.Couldyoubeour_____________?LiRui:Sure!I’dloveto!George:Wonderful!Youknow,myfather’s_____________wasabout20yearsago.Hebecameagoodfriendofyourgrandfather.LiRui:Grandpawillbesohappy.They_____________eachotherforages!George:Yes,andmyfatherreallywantstoseehowtheplace_____________sincehelastvisited.hometownguidelastvisithaven’tseenhaschanged1bReadandtakenotes.LiRui:Hello,George.George:Hi,LiRui.Guesswhat?Myfather,Bob,andIaregoingtovisityourhometown.Couldyoubeourguide?LiRui:Sure!I’dloveto!George:Wonderful!Youknow,myfather’slastvisitwasabout20yearsago.Hebecameagoodfriendofyourgrandfather.LiRui:Grandpawillbesohappy.Theyhaven’tseeneachotherforages!George:Yes,andmyfatherreallywantstoseehowtheplacehaschangedsincehelastvisited.havedonesince+点时间（过去时态）havedonefor+时间段1cLiRuiisnowshowingGeorgeandhisfatheraroundherhometown.Listentotheirconversationandcompletethetable.PastPresent•Ittook

toreachthetown.•Goingtoschoolbybustook

overroughroads.•Withthenewroads,ittakesonly______________.•Goingtoschooltakesonly

.Theyusedto__________________toseeadoctor.Thetownhasbuiltanew

.Theydidn'thaveanysuchplacesfor

.Theynowhavea

downthestreet.Thehillswerecoveredwith

.Theyarenowcoveredwith

.nearly40minuteshavetotravelfarshoppingsandhalfadayanhour15minuteshospitalsupermarketbeautifultreesadj.崎岖的被...覆盖newroadnewhospitalnewsupermarketnewgreenhills交通医疗购物生活环境LiRui:Whatdoyouthinkofyourtripsofar?Bob:Amazing!WhenIfirst_____________here,ittookhalfaday_____________thetown.Now,withthenewroads,ittakesonlyanhour.LiRui:Yes.WhenIwasachild,thebustooknearly40minutesover_____________togettoschool.Now,ittakesonly15minutes.George:Lifeis_____________!LiRui:Notonlythat.Weusedtohavetotravelfartoseeadoctor,butnowourtown_____________anewhospital.Bob:Great!Anddidn’tIseeasupermarketdownthestreet?LiRui:Yes.Wedidn’thaveanygoodplacesforshoppinguntil10yearsago.Bob:Butthe_____________changeisonthehills.Theyusedtobecoveredwithsand.LiRui:Andnowthey_____________coveredwithbeautifultrees!1cListentotheconversationandfillintheblanks.visitedtoreachroughroadsmucheasierhasbuiltbiggesthavebeenroughadj.崎岖的；粗糙的/rʌf/Thisisgonnaberough!!

smooth反义词~road/handsbecoveredwith被...覆盖/biːˈkʌvədwɪð/Lookatthefireplace.It'scoveredwithdust.becoveredwith（状态）becoveredby（施动者）~dirt/snowPost-listeningLiRui:Whatdoyouthinkofyourtripsofar?Bob:Amazing!WhenIfirstvisitedhere,ittookhalfadaytoreachthetown.Now,withthenewroads,ittakesonlyanhour.LiRui:Yes.WhenIwasachild,thebustooknearly40minutesoverroughroadstogettoschool.Now,ittakesonly15minutes.George:Lifeismucheasier!LiRui:Notonlythat.Weusedtohavetotravelfartoseeadoctor,butnowourtownhasbuiltanewhospital.Bob:Great!Anddidn’tIseeasupermarketdownthestreet?LiRui:Yes.Wedidn’thaveanygoodplacesforshoppinguntil10yearsago.Bob:Butthebiggestchangeisonthehills.Theyusedtobecoveredwithsand.LiRui:Andnowtheyhavebeencoveredwithbeautifultrees!Howdotheytalkaboutchanges?AboutthepastAboutthepresentHowdotheytalkaboutchanges?AboutthepastAboutthepresentWhenIfirstvisitedthere,ittook...WhenIwasachild,thebustook...Weusedtohaveto...Wedidn’thaveany...until...Thehillusedtobe...Now,with

newroads,ittakes...Now,itonlytakes...Butnow,ourtownhasbuilt...Andnow,thehillshavebeen

coveredwith...usedto+动词原型:谈论过去的状况。过去常常做某事（现在已经不做了）have/has+动词过去分词：描述已经发生的变化（已经做了某事）Groupwork:Fourstudentsinagrouptotalkaboutthechangesmentionedinthelistening.newhospitalnewsupermarketnewgreenhillsnewroad1dDiscusschangesin1c.Howdoyouthinktheyhappened?changesintranspotationchangesinmedicalcarechangesinshoppingchangesinenvironmentgovernmentsupportpeople’shardworkExercises1.Myuncle________liveinthecity,butnowh