人教版九年级数学下册(教案学案课件检测备课资源)第二十九章-投影与视图-(21份打包)3

Unit4PublictransportWelcometotheunitUnit4PublictransportWelcomWherehaveyoubeento?Howdidyougothere?Wherehaveyoubeento?Brainstormingpublictransportbusescoachestrainsundergroundshipsmaglevtrainsaeroplanes…Brainstormingpublictransportb人教版九年级数学下册(教案学案课件检测备课资源)第二十九章-投影与视图-(21份打包)3Inthe19thcentury,___________helpedtransportpeopleallovertheworld.steamtrainsDifferentmeansoftransportInthe19thcentury,_________TransportandWeatherTransportandWeather_____haveroutes.Theypickupanddropoffpeopleatdifferentplacesontheroute.Itisapopularmeansoftransportwithinacity.Buses_____haveroutes.Theypicku_____wereapopularwaytotravelfromplacetoplaceinthe20thcentury.Ships_____wereapopularwaytotr_______arebusesthatcarrypeopleoverlongdistances.Coaches_______arebusesthatcarrypInthe19thcentury,roadsbecamecrowdedincitiesandso_________________becamepopular.underground

trainsInthe19thcentury,roadsund__________areusedtotravelquicklyoverlongdistances.Aeroplanes__________areusedtotravelThe___________isanewformoftransport.Itispoweredbymagnets.maglevtrainThe___________isanewformQuestions1.Whatisthedifferencebetweenabusandacoach?Themaindifferencebetweenthetwoisthatabusoftentravelsonafixedroutewhileacoachisthemeansoftransportforpeoplewhotraveltoarelativelyfarawayplace.Questions1.WhatisthediffereBothofthemlookverysimilar,butinmostcasesacoachisdesignedforlong-distancetravellers,soyouwon’tbesurprisedtofindacoachequippedwithairconditioning,seatswithcushionsandDVDplayers.Incontrast,abusappearsveryplain.Bothofthemlookverysimilar2.Whydoyouthinkpeoplewouldchoosetotravelbyaeroplaneratherthanbyship?Therearetworeasons.First,airtravelisquicker.Businessmenwhovaluetimeregularlytravelbyaeroplanebecauseofitsspeed.2.WhydoyouthinkpeoplewouSecond,travellingbyplaneismorecomfortablethanbyship.Withtheimprovementoftechnology,manyairlinecompaniesofferexcellentservicesatareasonableprice.Second,travellingbyplaneisDifferenttypesoftransportcanmeetdifferentcustomers’needs.Eachtypeoftransporthasitsownstrengthsandlimitations.3.Whydoyouthinkweneedallthesedifferenttypesoftransport?DifferenttypesoftransportcGroupdiscussionBybus.Bycoach.Cattle,mulesorhorseswereusedbypeopleasthemainmeansoftransport.

2.Howdopeopletraveltonearbycities?3.Howdidpeopletraveltoafarawaycityinancienttimes?1.Howdopeopletravelwithinacity?GroupdiscussionBybus.Bycoac4.HowdidpeopletraveltoEuropeancountriesinthepast?5.Howdopeoplegotoothercountriestoday?Byship.Byplane.4.HowdidpeopletraveltoEuDiscussionWhatdoyouhavetoconsiderbeforeyoudecidewhichmeansoftransportationyouwilluse?DiscussionWhatdoyouhavetodistancespeedcostcomfortsafetytimeconvenienceweather…distancesafety

Weatherconditionshaveastronginfluenceontransport.Itisveryimportantthatdriversareawareofweatherconditionssuchaswind,rainoratyphoon.Shipcaptainsneedtoknowaboutwaveconditions.Airplanepilotswanttoknowabouttheconditionoftheatmosphere.Weatherconditionshaveastr

Automobiledriversandrailroadengineershavetoknowifrainorsnowisgoingtofall.Withoutcorrect,timelyweatherinformation,transportationequipmentcannotbesafelyoperated.That'swhyoperatorsofsuchequipmentandpassengersmaypayverycloseattentiontoweatherreports.AutomobiledriversandrailroHowwouldyouliketogototheplaces?Situation1:fromShanghaitoLondonSituation2:fromChongqingtoChengduSituation3:fromBeijingtoGuangzhouSituation4:fromDaliantoQingdaoHowwouldyouliketogotothAdvantagesanddisadvantagesofthepopularmeansoftransport:MeansoftransportAdvantagesbusesorcoachescheapandconvenientAdvantagesanddisadvantagesoMeansoftransportDisadvantagesbusesorcoacheseasilytrappedintrafficjams;notsocomfortableduringpeakhoursbecausetheyareusuallyverycrowded;causepollution;…MeansoftransportDisadvantageMeansoftransportAdvantagesundergroundtrainthemaglevtrainextremelyfastandconvenient;…fastandconvenient;comfortable;fewertrafficaccidents;MeansoftransportAdvantagesunMeansoftransportDisadvantagesundergroundtrainthemaglevtrainexpensivetobuild;…veryexpensivetobuild;…MeansoftransportDisadvantageMeansoftransportAdvantagesshipsaeroplanescomfortablefast/convenient;relativelythesafestwayoftravel;…MeansoftransportAdvantagesshMeansoftransportDisadvantagesshipsaeroplanesrelativelyexpensive;…notcomfortableforthosewhoareseasick;relativelyslow;thesafetyofthetripwouldbeaffectedbystorms;…MeansoftransportDisadvantageDoyouknowwhattheseroadsignsmean?Thereisanarrowbridgeahead.Theroadisnotstraightandspeedislimitedto40kms/h.DoyouknowwhattheseroadThDoublelanesT-shapedroadaheadDoublelanesT-shapedroadahea人教版九年级数学下册(教案学案课件检测备课资源)第二十九章-投影与视图-(21份打包)3Whatdifferentwaysoftransporthaveyouexperienced?WhatdifferentwaysoftranspoDoyouknowthefollowingtoolsoftransport?lightrailwayDoyouknowthefollowingtoolhelicopterhelicopterferryferrymotorboatmotorboatReviewwhatwehavelearnedinthisperiod.Writeapassageabouthowhasa