Unit4TheundergroundintheworldPartOneTeachingDesignAimsandrequirements♦ReadatouristbrochureabouttheLondonUndergroundandreadanoticeaboutroadsafety♦Listentoinstructionsandatelephonecall♦Talkabouttransportandaskfortravelinformation♦Writeane-mailtogiveinformation♦MakeanactionplanofhowpeoplecanpreventtrafficaccidentsProcedures●WelcometotheUnitStep1:BrainstormingT:Boysandgirls,ifyouwanttogototheparkorthemuseum,oryouwanttopayavisittoyourclassmates,whichmeansoftransportwillyouchoose?S:Busesortheunderground.T:Ifyouwanttopayavisittoyourrelativeswholiveinanearbycity,whichmeansoftransportwillyouchoose?S:Coaches.T:Right.Butifyouwanttogotravailingtoafar-awaycity,whichmeansoftransportwillyouchoose?S:MaybeIwillconsidertrainsorplanes.T:Andifyouwanttogoabroad,howwillyougo?S:Wecanonlygobyplanethen.T:Quitegood.Accordingtodifferentpurpose,we’llchoosedifferentmeansofpublictransport.Nowlet’slookatsomepicturesandgettoknowaboutthem.Step2:SharinginformationNowlet’sstudythesevenpicturesonebyone.Afterthat,makeacomparisonamongallthemeansof用心爱心专心116号编辑transportmentionedinthissectionandfillinthetable:MeansoftransportAdvantagesDisadvantagesbusesorcoachescheapandconvenienteasilytrappedintrafficjams;notsocomfortableduringpeakhoursbecausetheyareusuallyverycrowded;causepollutionundergroundfastandconvenient;producefewertrafficaccidents;comfortableexpensivetobuildthemaglevtrainextremelyfastandconvenientveryexpensivetobuildshipscomfortablenotcomfortableforthosewhoareseasick;relativelyslow;thesafetyofthetripwouldbeaffectedbystormsaeroplanesfastandconvenient;relativelythesafestwayoftravelrelativelyexpensiveStep3:Discussion:Lookatthethreequestionsbelowthepicturesonpage49.Workingroupsoffourtodiscussthem,andthenI’llaskseveralgroupstoreportyouranswerstotheclass.Youcanexchangeandcompareyouranswerswitheachother.Sampleanswers1Themaindifferencebetweenthedifferentmeansoftransportisthatabusoftentravelsonafixedrouteeitherinsidethecityorinthesuburbanareawhileacoachisthemeansoftransportforpeopleboundforafarawayplace.Bothofthemlookverysimilar,buttheirinteriordesignsdiffer.Inmostcases,acoachisdesignedtocatertolong-distancetravelers,whichmeansthedegreeofcomfortmustbeseriouslyconsideredbythemanufacturer.Youwon’tbesurprisedtofindacoachequippedwithairconditioning,seatswithcushionsandDVDplayers.Incontrast,abusappearsveryplain.2Therearetworeasons.First,airtravelisquick.Asupersonicplanetravelsalotfasterthanaluxuriouscruiser.Businessmenwhovaluetimeregularlytravelbyaeroplanebecauseifitsspeed.Second,travelingbyaeroplaneismorecomfortablethanbyship.Withtheimprovementoftechnology,manyairlinecompaniesofferexcellentservicesatareasonableprice.Inthisregard,theshippingindustryfallsfarbehindtheairindustryanditmostlydependsintransportingcargotomakerprofits.3Differenttypesoftransportsuitdifferentcustomers’needs.Eachtypeoftransporthasitsstrengthsanditslimitations.Forexample,intheforeigntradesector,peopleusuallyrelyonshippingbecausethecostofusingcargoplanesismuchtoohigh.Inaddition,productslikeoilneedtobeplacedin用心爱心专心116号编辑containersbeforetheyareloadedontothevehicle.Therefore,shipsarethebestchoice.Inconclusion,differenttypesoftransportsuitdifferentpeopleanddifferentindustries.Step4:Homework:1.PreviewtheReadingpassage.2.FinishthepartA1andA2oftheworkbook.用心爱心专心116号编辑
