译林牛津模块七Unit4-Welcome-to-the-unit.ppt

《译林牛津模块七Unit4-Welcome-to-the-unit.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、WelcometotheunitUnit4PublictransportHowcanpeopletraveltoanotherplace?WalkHandcart/pushcartBoatSedanChairHorse-ridingCarriageBicycleDescribePictureslane/pathhighwayrailwayIfyouwanttogototheparkorthemuseum,oryouwanttopayavisittoyourclassmates,whichmeansoftransportwilly

2、ouchoose?Busesortheunderground.Ifyouwanttopayavisittoyourrelativeswholiveinanearbycity,whichmeansoftransportwillyouchoose?Coaches.Ifyouwanttogotravelingtoafar-awaycity,whichmeansoftransportwillyouchoose?Trainsorplanes.Ifyouwanttogoabroad,howwillyougo?Byplane.Makeacom

3、parisonamongallthemeansoftransportmentionedinthissectionandfillinthetable:MeansoftransportAdvantagesDisadvantagesbuses/coachescheapandconvenienteasilytrappedintrafficjams;notsocomfortableduringpeaktimesbecausetheyareverycrowded;causepollutionMeansoftransportAdvantage

4、sDisadvantagestheundergroundfastandconvenient;fewertrafficaccidents;comfortableexpensivetobuildhigh-speedtrainextremelyfastandconvenientrelativelyexpensiveairplanesfastandconvenient;relativelyasaferwayoftravelrelativelyexpensiveMeansoftransportAdvantagesDisadvantages

5、shipscomfortableNotcomfortableforthosewhoareseasick;relativelyslow;thesafetyofthetripwouldbeaffectedbystormsMeansoftransportAdvantagesDisadvantagesDiscussion1.Whatdoyouknowabouthighspeedtrains?1.Fromtheword‘high-speed’,wecanguessthathigh-speedtrainscanrunveryfast---a

6、tthespeedofover200kilometersperhour.Thespeedofthetrainscanrunveryfast–atthespeedofover200kilometersperhour.ThespeedofthetrainwhichrunsfromBeijingtoTianjinreachesmorethan300kilometersperhour.Thoughahigh-speedtrainisnoyasfastasanairplane,itisquiteconvenientforpeopletou

7、setotravelfromonecitytoanothernearbycity.What’more,morepeoplecanbecarriedonahigh-speedtrainthanananairplane.Travellinginit,youwillfeelquitecomfortable.Ahigh-speedtrainproductsalmostnopollutionbecauseituseselectricity.Discussion???2.Whywouldmanypeoplechoosetotravelbya

8、irplaneratherthanbyship?3.Whydoweneedallthesedifferentmeansoftransport?2.Ithinktherearetwaoreasons.First,airtravelismuchquickerthan