Unit 3 (一)课文预习一、Warming UpTransportAdvantagesDisadvantagesbus1.Very cheap2.Efficient for short journeysTakes longer than the train or plane.train1.Faster than bus, cheaper than plane2.ends in the centre of the town/city. Takes longer than the plane.ship1.Cheaper than plane1.More expensive than train2.Not convenient for visiting inland placesairplane1.Quick 2.Efficient3.Provides meals1.Expensive2.Journey ends far from the city二、Fast-readin
