Unit 1 课时1 Section A 1a-2d（情境教学课件）英语新教材人教版九年级上册

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）。01Lead-inDiscussWhatchangeshavetakenplaceinyourhometown?ChangesnewbridgenewroadelectricityDiscussNewschools?NewHospital?NewRailway?Whatchangeshavetakenplaceinyourhometown?02Pre-listeningChangesThephotosshowchangesinLiRui'shometownovertheyears.Whatarethey?Howdotheymakeyoufeel?PastPresentThelandlooksdryandpoor.FewtreesorplantsTheoldbuildinglookslonely.Everythingisgreen!Treesandplantseverywhere.Parks,andevennewbuilding.1aChangesThephotosshowchangesinLiRui'shometownovertheyears.Whatarethey?Howdotheymakeyoufeel?PastPresentHappysurprisedAmazing1aPredictNow,wewilllistentoashorttelephoneconversationin1b.Listenforthemainpurposeandthenandcheckifyourpredictionsareright.03While-listeningNow,wewilllistentoashorttelephoneconversationin1b.Listenthenanswerthequestions.1.WhydoesGeorgecallLiRui?2.WhatistherelationshipbetweenGeorge'sfatherandLiRui'sgrandfather?3.WhendidGeorge'sfatherlastvisittheplace?HecallstoaskifLiRuicanbeaguideforhimandhisfather.Theyweregoodfriends.20yearsago.1bListenagainandchecktheanswers.1bLiRui: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.Whenvisit?Whycall?Whatrelationship?LiRuiisnowshowingGeorgeandhisfatheraroundherhometown.Listentotheirconversationandcompletethetable.1cPastPresent•Ittook______

toreachthetown.•Goingtoschoolbybustook______

overroughroads.•Withthenewroads,ittakesonly______________.•Goingtoschooltakesonly

________

.Theyusedto________________________

toseeadoctor.Thetownhasbuiltanew

.Theydidn'thave

forshopping.Theynowhavea

downthestreet.Thehillswerecoveredwith

.Theyarenowcoveredwith

.nearly40minutesgotothebigcityfarawaygoodplacessandhalfadayanhour15minuteshospitalsupermarketbeautifultrees被…覆盖过去常常到达Listenagainandchecktheanswers.1cLiRui: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!NewSupermarketNewHospitalNewRoadsshortertimeWhatchanges?GreenHillsLiRui'shometownHowdoyouthinktheyhappened?DiscussionNewRoadsgovernmentsupportpeople’shardworkneedsoflife1dNewSupermarketBesidesthesegoodchanges,therewerealsosome

problems

.Let’slookat2a.ShortertraveltimeNewhospitalGreenHillsRankthefollowingproblemsfrom1to4,with1beingtheworst.Giveyourreasons.Discussion2adestroyeverythingcan’tgrowenoughfood.makesfarminganddailylifeveryhard.canlearnIthink...istheworstbecause...ListentotheconversationbetweenGeorge’sfatherandLiRui’sgrandfather.Whatproblemsin2adidtheymention?2bThereusedtobesandstormsallthetime...Therearefewersandstormsnow...thefieldsweregettingsmallerandsmaller.theenvironmentisgettingbetter.Past•Thereusedtobe______________allthetime,andthe__________weregettingsmallerandsmaller.•Localsworkedby_______________.Action•Localsfoundabush.Ithad_______________rootsthatcould_____________thesoiltogether.•Theybeganplantingitinsandy___________,withthegovernment’ssupport.•Theyhad_____________________tohelp.Present•Thecornfieldsare________________.•Theyhaveplantedmanybushesand________________sincethen.•Thereare___________sandstormsnowandtheenvironmentisgetting_________.•Ithasimprovedlocallives.Listenagainandfillinthetable.Howhastheenvironmentaffectedlocallives?2csandstormsfields从那以后在政府支持下handlongholdareasmachinesbiggertreesfewerbetterListenagainandchecktheanswers.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.NewSupermarketNewHospitalNewRoadsshortertimeWhatchanges?GreenHillsPastActionResultEnvironmentalproblems04Post-listeningDiscussionTransportationgovernmentsupportpeople’shardworkLiRui'shometownShoppingMedicalcareEnvironmentChangesinLiRui’shometown.Past(sandstorms,smallerfields)

Action(abushwithlongroots,Planted,Firstbyhand,laterwithmachines.)Present(fieldsarehuge;fewersandstorms;environmentgettingbetter;peoplearericherandhappier.)Let’sthlk.2dDiscusshowtheproblemsin2bweresolved.A:Mycityislovely.B:Whataresomeofthespecialplacesthere?A:Well,there’saconcerthallthere.

It’sbeenaroundforatleast20years.A:Theareausedtobecoveredwithsand.B:Whatdidtheydotosolvethisproblem?A:Theyplantedbushesandtrees.Thelandhasbecome...Everybigchangestartswithasmallstep.Thefutureofourhometownisinourhands.Whatchangedoyouwanttoseeinyourhometown?Whatcanyoudotohelp?Cleanthestreet.Let’sthlk.plantmoretreesProtecttheenvironmentShowtime05SummarySummaryTransportationgovernmentsupportpeople’shardworkLiRui'shometownShoppingMedicalcareEnvironmentChangesinLiRui’shometown.Past(sandstorms,smallerfields)

Action(abushwithlongroots,Planted,Firstbyhand,laterwithmachines.)Present(fieldsarehuge;fewersandstorms;environmentgettingbetter;peoplearericherandhappier.)06Languagepoints1.Theyusedtogotothebigcityfarawaytoseeadoctor.usedtodosth.表示：过去常常做某事（但现在不做了）。1.肯定句：过去有/过去做结构：主语+usedto+v.原形

Theyusedtowalkalongwaytoseeadoctor.（他们过去常常走很远的路去看病。）2.否定句：过去不/没有结构：主语+didn'tuseto+v.原形

Theydidn'tusetohaveabigshop.（他们过去没有大商店。）3.一般疑问句：过去……吗？

结构：Did+主语+useto+v.原形?Didyouusetoplayfootball?（你过去常常踢足球吗？）Let’slearnandtakenotes2.Thehillswerecoveredwithsand.

becoveredwith...含义：被……覆盖着（强调状态）。Thehillswerecoveredwithsand.(过去，小山被沙子覆盖着。)Theyarenowcoveredwithgreengrassandtrees.(现在，它们被绿草和树木覆盖了。)Thesnowcoveredtheground.(雪覆盖了地面。)Let’slearnandtakenotes3.sincethen时间状语短语，从那时起（直到现在），同义词fromthenon常与现在完成时连用。HemovedtoShanghaiin2010andhasworkedtheresincethen.Sincethen,thevillagehasbuilttwonewschools.4.improve动词，改善；提高。名词improvement；形容词improved。常见搭配：improveone‘slife/improvetheenvironment/improveskillsRegularexercisecanimproveyourhealth.Thegovernmentistryingtoimprovethepublictransportationsystem.Let’slearnandtakenotes5.sincethen时间状语短语，从那时起（直到现在），同义词fromthenon常与现在完成时连用。HemovedtoShanghaiin2010andhasworkedtheresincethen.Sincethen,thevillagehasbuilttwonewschools.07Exercises1.Myuncle________liveinthecity,butnowheenjoyshislifeinthecountryside.A.wasusedto  B.usedto  C.isusedto  D.useto2.—Whenwillyoureturnmybook?—Sorry,I________ityet.I’llfinishittonight.A.haven‘tfinished  B.didn’tfinish  C.don‘tfinish  D.wasn’tfinishing