UnitReviewLearningaims:1.Knowaboutthehistoryofsometransporters.2.Learnaboutthedevelopmentofthefuturetransportation.Learningimportantpoints:1.GivingAdvice/Order.2.PossibilityandImpossibility.Learningdifficultpoints:ModalVerbsI.词汇1.掌握词汇：anywhere,onfoot,ofcourse,type,ship,rapid,invent,wheel,engineer,railway,passenger,geton/off,speed,even,certainly,invention,present,round,wing,during,factory,dangerous,humorous,aslongas,drive,countryside,ride,getin,smooth,second,space,sound,dirty,electric2.认知词汇：transportation,rail,inventor,steam,engine,locomotive,explode,distance,iron,per,magnetic,jet,jetengine,presentation,NorthAmerica,highway,afar,park,fuel,imagination,hoverboard,skateboard,float,transporter,spaceship,pedal,electricityII.词组和句型onfoot,takeatrain/boat/plane,ofcourse,atypeof,put…together,steamengine,ironrails,thousandsof,geton/off,(at)atopspeedof,turnoverandover,noparking,inahurry,NorthAmerica,takeadrive,gooutof,getin,thinkof,make…into,allthetime,gothrough,present…to,soundlike,gowellIII.GivingAdvice/OrderYou’dbetter…Youshould…Don’tpush/run.Pleasebequiet.IV.PossibilityandImpossibilityItcanbehelpfultoyou.Hecouldn’ttakeatrainfromCanadatoLondon.V.ModalVerbscan,could,would,should,may,must,mightIcangoalmostanywhereonfoot.Atfirst,onlyrichpeoplecouldbuycars.Iwouldliketoseehoverboards.Ithinksomeoneshouldinventatransporter,too.Mayweleaveourcarhere?Imustgoandgetnewthings,orImighthaveafit!LanguagePoints情态动词一、表示推测(may/might,can/could,must,should,oughtto)1.may(过去式might)“可能”Theremaybelittlewaterleftinthebottle.Hethoughtitmightbewisetotryhisluckthere.Shemaynotbewaitingforyounow.mightmight注意:可以用might代替may,以表示说话语气更加不肯定;may表示推测时,不能用于疑问句中.如果在疑问句中出现may,则表示请求许可,意为“可以”.MayIuseyourcellphone?注意:1)可以用could代替can,以表示语气婉转;could2)表示推断,can不能用于肯定陈述句,但could可以用于肯定陈述句,相当于may/might;Thisstorycouldbetrue,butIhardlythinkitis.may/might2.can(过去式could)“可能会”Thatcan’tbet...
