whenIsaidgo/InevermeantawayYououghttoknow/thefreakygamesweplayCouldyouforgive/andlearnhowtoforgetHeremeasI'mcallingoutyournamefireflycomebacktomemakethenightasbrightasdayI'llbelookingoutforyoutellmethatyou'relonelytoofireflycomeleadmeonfollowyouintothesunthat'stheway(it)oughttobefireflycomebacktomeHowdoyougotoschool?Inventor发明家Invent发明Heinventedthesteamengine.steamengine蒸汽机jetengine喷气式飞机anengineer一位工程师Thisisanengineer这是一位工程师Passenger乘客Theyaregettingonthebus.他们正在上车Theyaregettingoffthebus.explode爆炸Locomotive机车Wheel轮子railway铁路rail轨道It’smadeofiron铁Railwaysaremadeoftworailsinvent发明steam蒸汽engine发动机inventor发明家wheel车轮locomotive机车engineer工程师explore爆炸railway铁路passenger乘客distance距离iron铁during在…期间geton/off上车/下车speed速度per每even甚至magnetic磁的jetengine喷气发动机Answerthequestions1.Whoinventedthesteamengine?2.Whathappenedtothefirststeam?3.Whoinventedrailways?4.Whendidthefirstpassengerrailwayopen?5.Howfastdotrainsgo?Thespeedof50kilometersperhourHowfastdotrainsgo?Thefastestspeedofabout80kilometresTheytravelatabout240kilometersanhourThefastesttrainscango380kilometersanhour.FascinatingFactHigh-speedtrainsofthefuturewillhavenowheels.Theywillusemagneticforcesorjetenginesandtheywillrideonair.Homework:记住今天所学
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