Unit 1 The Changing World Section A 2a-2d 课件（内嵌视频）2026-2027学年人教版英语九年级上册

Unit1TheChangingWorldSectionA2a-2dReviewandsayLiRui’shometownhaschangedgreatly.Traffic(交通)Ittook___________

toreachthetown.Withthenewroad,ittakesonlynearly__________.Goingtoschoolbybustakesonly_______.Goingtoschooltakesonly___________.

halfaday40minutesanhour15minutesReviewandsayLiRui’shometownhaschangedgreatly.Publicfacilities(公共设施)Theyusedto________

toseeadoctor.Thetownhasbuiltanew________.Theydidn’thavegoodplacesfor__________.Theynowhavea_________downthestreettravelfarhospitalshopping

supermarket

ReviewandsayLiRui’shometownhaschangedgreatly.Environment(环境)Theyarenowcoveredwith_______________.Thehillswerecoveredwith________.sandbeautifultreesNewRoadsNewSupermarketShortertraveltimeNewhospitalGreenHillsBesidesthesegoodchanges,therewerealsosome

problems

.Let’slookat2a.Whatproblemmaypeopleface?watershortagefarmlandshortagelackoftechnologysand+stormsandstorm[ˈsændˌstɔːm]n.沙尘暴Sandstormshurtpeople'shealth.Sandstormstakethesoilandmakethefieldssmaller.[sɔɪl]n.土壤

[fiːld]n.田地Whatproblemmaypeopleface?farmlandshortagelackoftechnologywatershortage[ˈʃɔːtɪdʒ]n.短缺Peoplecan'tliveorgrowfoodwell.Whatproblemmaypeopleface?lackoftechnologyfarmlandshortage[ˈfɑːmˌlænd]n.农田；耕地farm+landThereisnotenoughfood.Whatproblemmaypeopleface?lackoftechnology[læk]n.缺乏；缺少Peopledon'thavemachinestohelp,theymustworkbyhand.[məˈʃiːn]n.机器;机械sandstormwatershortagefarmlandshortagelackoftechnologyRankthefollowingproblemsfrom1to4,with1beingtheworst.Giveyourreasons.2aIthink_________istheworst,because_____________________.sandstormithurtspeople'shealthsandstormwatershortagefarmlandshortagelackoftechnologyListentotheconversationbetweenGeorge’sfatherandLiRui’sgrandfather.Whatproblemsin2adidtheymention?2bListenandfillinthetable.Howhastheenvironmentaffectedlocallives?2cPast•Thereusedtobe__________allthetime,andthe________weregettingsmallerandsmaller.•Localsworkedby_________.Action•Localsfoundabush.Ithad________rootsthatcould_________thesoiltogether.•Theybeganplantingitinsandy__________,withthegovernment’ssupport.•Theyhad____________tohelp.Present•Thecornfieldsare________.•Theyhaveplantedmanybushesand__________sincethen.•Thereare________sandstormsnowandtheenvironmentisgetting_________.•Ithasimprovedlocallives.n.n.n.adj.v.n.n.adj.n.adj.adj.Listenandfillinthetable.Howhastheenvironmentaffectedlocallives?2cPast•Thereusedtobe__________allthetime,andthe________weregettingsmallerandsmaller.•Localsworkedby_________.Action•Localsfoundabush.Ithad________rootsthatcould_________thesoiltogether.•Theybeganplantingitinsandy__________,withthegovernment’ssupport.•Theyhad____________tohelp.Present•Thecornfieldsare________.•Theyhaveplantedmanybushesand__________sincethen.•Thereare________sandstormsnowandtheenvironmentisgetting_________.•Ithasimprovedlocallives.sandstormsfieldshandlongholdareasmachineshugetreesfewerbetter过去有...（现在没有了）n.当地人adj.当地的n.根n.土壤在政府的支持下从那以后改善当地生活沙地Listenagainandchecktheanswers.2cBob:I’mamazedbyhowgreenyourhometownhasbecome!Grandpa:Haveyouseenthecornfieldsoutsideofthetownyet?Bob:Yeah!They’rehuge!Grandpa:Thereusedtobesandstormsallthetime,andthefieldsweregettingsmallerandsmaller.Then,afteronebigsandstorm,wedecidedtodosomething.Bob:Whatdidyoudo?Grandpa:Wefoundasmallbush.Ithadlongrootsthatcouldholdthesoiltogether.Webeganplantingitinsandyareas.Thegovernmentprovidedsupporttoo.Bob:Wasn’titdifficulttoplantsomanybushes?Grandpa:Yes,itwas.Atthebeginning,weworkedbyhand.Later,wehadmachinestohelp.Wehaveplantedmanybushesandtreessincethen.Therearefewersandstormsnowandtheenvironmentisgettingbetter.Ithasalsoimprovedourlives.Everyonehasbecomericherandhappier.PastActionResultEnvironmentalproblems课本p94-95DiscussionTransportationgovernmentsupportpeople’shardworkLiRui'shometownShoppingMedicalcareEnvironmentChangesinLiRui’shometown.Past(sandstorms,smallerfields)Action(abushwithlongroots,Planted,Firstbyhand,laterwithmachines.)Present(fieldsarehuge;fewersandstorms;environmentgettingbetter;peoplearericherandhappier.)BobisGeorge'sfather.HemeetshisoldfriendLiRui'sgrandfatherafter20years.Bobisamazedbythegreentownandbigcornfields.GrandpatellsBobthereusedtobe1.______________________,andfarmlandbecamesmallerandsmaller.Villagersdecidedtomakeachange.Theyplantedbusheswithlongrootsthatcould2.______________________onsandyland.Thegovernmentalso3.______________________.Atfirst,villagers4.______________________toplantbushes.Later,machineshelpedthem.Nowtherearefewersandstorms.Theenvironmentgetsbetterandithas5.______________________.EveryonebecomesricherandhappiePractiseLet’sthlk.2dDiscusshowtheproblemsin2bweresolved.A:Theareausedtobecoveredwithsand.B:Whatdidtheydotosolvethisproblem?A:Theyplantedbushesandtrees.Thelandhasbecome...Everybigchangestartswithasmallstep.Thefutureofourhometownisinourhands.WatchavideoBobisGeorge'sfather.HemeetshisoldfriendLiRui'