Unit 4 Public transport Welcome 教学设计 2.doc

Unit 4 Public transport Welcome 教学设计 2Aims and requirements Read a tourist brochure about the London Underground and read a notice about road safety Listen to instructions and a telephone call Talk about transport and ask for travel information Write an e-mail to give information Make an action plan of how people can prevent traffic accidentsProcedures Step 1: BrainstormingT: Boys and girls， if you want to go to the park or the museum， or you want to pay a visit to your classmates， which means of transport will you choose？S: Buses or the underground. T: If you want to pay a visit to your relatives who live in a nearby city， which means of transport will you choose？S: Coaches.T: Right. But if you want to go travailing to a far-away city， which means of transport will you choose？S: Maybe I will consider trains or planes.T: And if you want to go abroad， how will you go？S: We can only go by plane thenT: Quite good. According to different purpose， well choose different means of public transport.Now lets look at some pictures and get to know about them.Step 2: Sharing information Now lets study the seven pictures one by one. After that， make a comparison among all the means of transport mentioned in this section and fill in the table:Means of transportAdvantagesDisadvantagesbuses or coachescheap and convenienteasily trapped in traffic jams； not so comfortable during peak hours because they are usually very crowded； cause pollutionundergroundfast and convenient； produce fewer traffic accidents； comfortableexpensive to buildthe maglev trainextremely fast and convenientvery expensive to buildshipscomfortablenot comfortable for those who are seasick； relatively slow； the safety of the trip would be affected by stormsaeroplanesfast and convenient； relatively the safest way of travelrelatively expensiveStep 3: Discussion:Look at the three questions below the pictures on page 49. Work in groups of four to discuss them， and then Ill ask several groups to report your answers to the class. You can exchange and compare your answers with each other.Sample answers1 The main difference between the different means of transport is that a bus often travels on a fixed route either inside the city or in the suburban area while a coach is the means of transport for people bound for a faraway place. Both of them look very similar， but their interior designs differ. In most cases， a coach is designed to cater to long-distance travelers， which means the degree of comfort must be seriously considered by the manufacturer. You wont be surprised to find a coach equipped with air conditioning， seats with cushions and DVD players. In contrast， a bus appears very plain.2 There are two reasons. First， air travel is quick. A supersonic plane travels a lot faster than a luxurious cruiser. Businessmen who value time regularly travel by aeroplane because of its speed. Second， traveling by aeroplane is more comfortable than by ship. With the improvement of technology， many airline companies offer excellent services at a reasonable price. In this regard， the shipping industry falls far behind the air industry and it mostly depends in transporting cargo to make profits.3 Different types of transport suit different customers needs. Each type of transport has its strengths and its limitations. For example， in the foreign trade sector， people usually rely on shipping because the cost of using cargo planes is much too high. In addition， products like oil need to be placed in containers before they are loaded onto the vehicle. Therefore， ships are the best choic