江苏省涟水县第一中学高中英语 Unit4 Welcome to the unit and word power教案 牛津译林版选修7.doc

unit 4 public transportwelcome to the unit and word powerteaching aims: after learning this period, the students will be able to: 1. know different means of transport and their main functions;2. compare the advantages and disadvantages of public transport;3. understand different names of roads;4. enlarge their vocabulary related to transport.teaching procedures:step 1 brainstorming have a free talk to review the word “transport”, such as “how do you go to school every day？”“how did you go to beijing this summer?”and then categorize the different ways that we can travel in a flow chart, referring to page54 word power part b.( ppt45)step 2 sharing information and discussiondiscuss the seven pictures in the book(page 49). encourage the students to express what is included in “public transport” (ppt6). ask students to have a group discussion and make a comparison among all the means of transport mentioned in this sectionbuses and coachesbuses 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. (ppt7）coaches are buses that carry people over long distances. (ppt8)ships and aero planesships were a popular way to travel from place to place in the 20th century. (ppt9)aeroplanes are used to travel quickly over long distances. (ppt10)underground trainsthe underground trains have become popular in crowded cities. (ppt11)high-speed trains high-speed trains run much faster than normal trains. (ppt12)your choice (ppt13)situation 1 if you are going to shanghai from nanjing, what means of transport would you use? why？(i would choose mu train bullet train动车组because it is extremely fast and comfortable.)situation 2 if you want to go to taiwan from xiamen, will you go there by ship or by plane? why? (i would choose to travel by aeroplane rather than by ship. 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.)group discussion: advantages and disadvantages of the popular means of transport (ppt.15-20)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 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 expensiveyour conclusion: why do you think we need all these different types of transport? (different types of transport can meet different customers needs. each type of transport has its own strengths and limitations. and under certain conditions, people may prefer to use one rather than another one. i enjoy riding my bicycle on the avenue. what about you? step 3 word powervocabulary learning ask students to read part a on page54 (ppt22), understanding different types of roads. then in the form of “question and answer”, students are asked to speak out these words. meanwhile, the teacher is expected to write down some words on the blackboard.pictures of lanes or paths（ppt23）very small roads are called lanes, paths or foot passes.pictures of motorways freeways expressways and highways (ppt24)roads where cars can go very fast are called motorways in britain, freeways or expressways in the usa. pictures of flyovers (ppt25)roads that go over other roads are known as flyovers or overpasses.pictures of underpasses (ppt26)roads that go through a tunnel are called underpasses. pictures of toll roads (ppt27)if you have to pay to use the roads, they are called toll roads.pictures of an intersection and a junction (ppt28)the area where many roads link up is called an intersection or a junctionpicture of spaghetti junction (ppt29)the road that is made up of many flyovers and intersections is called spaghetti junction. in the uk, there is such one near birmingham.step 4 word powervocabulary using ask students to read the passage in part c and complete the introduction with the words learnt in part a and b (ppt30) then check the answers with the class. students are asked to read the whole passage.step 5 word powervocabulary extensionask students if they know any other vocabul