高中英语 Unit4 public transportWelcome课件 牛津译林选修7.ppt

Unit4PublictransportWelcome to the unitWelcome to the unitWhere have you been to?Where have you been to?How did you go there?How did you go there?Brainstormingpublic transportbusescoachestrainsundergroundshipsmaglev trainsaeroplanesDifferent means of transportIn the 19th century, _ helped transport people all over the world.steam trains_ have routes. They pick up and drop off people at different places on the route. It is a popular means of transport within a city.Different means of transportBuses_ were a popular way to travel from place to place in the 20th century.Different means of transportShips_ are buses that carry people over long distances.Different means of transportCoachesIn the 19th century, roads became crowded incities and so _becamepopular.Different means of transportunderground trains_ are used to travel quickly over long distances.Different means of transportAeroplanesThe _ is a new form of transport. It is powered by magnets.maglev trainDifferent means of transportQuestions1. What is the difference between a bus and a coach?The main difference between the two is that a bus often travels on a fixed route while a coach is the means of transport for people who travel to a relatively faraway place. Both of them look very similar, but in most cases a coach is designed for long-distance travellers, so 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. There are two reasons. First, air travel is quicker. Businessmen who value time regularly travel by aeroplane because of its speed. Second, travelling by plane is more comfortable than by ship. With the improvement of technology, many airline companies offer excellent services at a reasonable price.2. Why do you think people would choose to travel by aeroplane rather than by ship?Different types of transport can meet different customers needs. Each type of transport has its own strengths and limitations.3. Why do you think we need all these different types of transport?Group discussion1. How do people travel within a city?2. How do people travel to nearby cities?3. How did people travel to a faraway city in ancient times?By busBy coachCattle, mules or horses were used by people as the main means of transport. 4. How did people travel to European countries in the past?5. How do people go to other countries today?By shipBy planeWhat do you have to consider before you decide which means of transportation you will use?DiscussiondistancespeedcostcomfortsafetytimeconvenienceweatherTransport and WeatherTransport and Weather Weather conditions have a strong influence on transport. It is very important that drivers are aware of weather conditions such as wind, rain or a typhoon. Ship captains need to know about wave conditions. Airplane pilots want to know about the condition of the atmosphere. Automobile drivers and railroad engineers have to know if rain or snow is going to fall. Without correct, timely weather information, transportation equipment cannot be safely operated. Thats why operators of such equipment and passengers may pay very close attention to weather reports. Situation 1: from Shanghai to LondonSituation 2: from Chongqing to ChengduSituation 3: from Beijing to GuangzhouSituation 4: from Dalian to Qingdao How would you like to go to the places?Advantages and disadvantages of the popular means of transportMeans of transportadvantagesdisadvantagesBuses or coachesCheap and convenientEasily trapped in traffic jams;Not so comfortable during peak hours because they are usually very crowded;Cause pollution; Means of transportadvantagesdisadvantagesUndergroundtrainThe maglev trainexpensive to build;extremely fast and convenient;very expensive to build;fast and convenient;comfortable;fewer traffic accidents;Means of transportadvantagesdisadvantagesShips aeroplanescomfortablefast/convenient; relatively the safest way of travel; relatively expensive;not comfortable for those who are seasick;relatively slow;The safety of the trip would be affected by storms; Do you know what these road signs mean?There is a narrow bridge ahead.The road is not straight and speed is limited to 40kms/h.Double lanesT-shaped road aheadHomeworkReview what we have learned in this periodWrite a passage about how has affected peoples lives.Preview reading9、静夜四无邻，荒居旧业贫。

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