1、Unit 4 Lesson 4 Virtual Tourism FeaturesFeatures Immersive Immersive(身临其境的身临其境的)Interactive Interactive Real time Real time Viewer-centeredViewer-centered What is Virtual Reality?The use of computer simulations(The use of computer simulations(仿真仿真)to create)to create a 3 D virtual world in which it
2、provides the users a 3 D virtual world in which it provides the users with simulation of senses,such as vision,hearing,with simulation of senses,such as vision,hearing,touch,and makes users feel as if they were in a touch,and makes users feel as if they were in a real situationreal situationVirtual
3、reality in the film AvatarPossible uses for virtual reality nowLearning to fly using virtual reality simulator Learning to drive using virtual reality technologyheadsets and special gloves and suits equipped with sensors the user can directly interact with a 3D(dimension)computer programme by moving
4、 inside it.Visiting virtual museums on the Internetskimming1.How many virtual reality situations are mentioned in the dialogue?virtual museum virtual holiday virtual university2.What are they?ThreeMatching the words and expressions with the meaning be up totitlethe name of a book or a passagedestina
5、tionbe busy withthe place one wants to go to in the fleshto exithistorical sitespack a suitcasein personto leaveput things into suitcase for traveling purposes places which have rich historical backgroundWhat are Toms and Cathys plan for the weekendCathy Tom 1.If she _ the project on the history of
6、the Internet,her science teacher _ angry.2.If Tom _ her some titles,she _ for them in the library.1.He _ camping with his parents if the weather _ good2.If he _ home,he _with her project.will helpwill go is doesnt finishwill betellswill lookstaysReading for detailsFirst ConditionalThe First Conditio
7、nal is used to talk about things which are possible in the present or the future-things which may happen:if clauseif+subject+simple present verbmain clausesubject+will+verbIf you study hard,you will pass the test if clausemain clauseReading for detailswe wouldntwe wouldIf we had virtual reality holi
8、days,If we had virtual universities,-have to spend a long time traveling on planes to get to our holiday destinations.-have to go there in the flesh.-have to pack a suitcase.-experience it.-be able to use modern technology to go anywhere we like.-use the computer to travel around the world.-enter an
9、d exit countries in seconds and visit all the historical sites.-go to study in any world famous universities we wanted to without going out of our room.-have any problems with the weather.Find out things we would do and would not do if we had virtual holidays and virtual universities.Second Conditio
10、nalThe Second Conditional is used to talk about impossible situations or things which are unreal(not true or not possible)in the present or the future-things which dont or wont happen:if clauseif+subject+simple past verbmain clausesubject+would +verbif clausemain clauseIf I had a million dollars,I w
11、ould buy a big house.Chained talkExample:T:If I were a millionaire,I would buy a new house.S1:If I had a new house,I would make a room into a cinema.S2:If I had a cinema at home,I would watch movies everyday.Language in useIf I were a teacher,If God gave me a chance,.Tom _Cathy going to the Science
12、Museum website to find information.Cathy welcomed his idea A virtual reality holiday means using computers to travel around the world,entering and _countries in seconds and visiting all the historical sites.Cathy felt excited about the idea of having _ reality holidays while Tom found it hard to _wi
13、thout experiencing it in the flesh.With Virtual university,people would be able to go to study in any world famous universities.Cathy thought it_,but Tom were more_ in virtual universities than virtual reality holidays.If someone gave him the chance,he _to a world-famous university But he thought it
14、 would not be the same as real university.Complete their attitudes towards the three virtual situations exiting virtualimaginewonderfulinterestedwould go suggest virtual wonderful interest imagine go exit suggested An TV interviewAn TV interview.Suppose that you could go to University of Science and
15、 Technology of China.Meanwhile,You could also attend Stanford through virtual university to get your degree.You want to attend the virtual university but your parents didnt agree.Now you come to the TV show Face to Face.And you hope to reach an agreement with the help of the famous TV hostThe host c
16、an begin the show like this:welcome to our todays programme,Im.,Let me introduce our todays guest.For real university:1.learn and improve ones social skills 2.take part in various colorful activities municate with different sorts of people 4.having face-to-face meetings with teachers is necessary.5.
17、experience the learning atmosphere 6.interact with teachers and classmatesFor virtual university 1.be convenient to attend 2.save transportation time3.interaction is difficult in a virtual university 4.less pressure from peers（同龄人）（同龄人）5.download text material to lower cost6.too much information for us to select HomeworkHaze(雾霾）雾霾）weather in Hefei is very serious,Do you have any good suggestions?Write a short passage about what you would do to reduce it,if you were the mayor of Hefei.
