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Period 5 Extensive ReadingTeaching goals 教学目标1. Target language目标语言a. 重点词汇和短语imitate, spin, shuttle-submarine, destination, sensor, be essential for, contactb. 重点句式The sea bottom is deep and this makes it difficult to. P58Only the robot cleaner will be able to move objects. P582. Ability goals能力目标Enable the Ss to discuss the possibilities and the difficulties of living under the sea. 3. Learning ability goals 学能目标Help the Ss learn how to talk about the possibilities and the difficulties of living under the sea.Teaching important difficult points 教学重难点Talk about the possibilities of living under the sea.Teaching methods 教学方法Fast and careful reading; asking and answering activity; discussion.Teaching aids 教具准备A computer and a projector.Teaching procedures ways 教学过程与方式Step I Warming upLead in the topic by discussing the possibilities of living under the sea. Encourage the Ss to use their imaginations.T: Have you ever watched the movie “The Little Mermaid”? Do you like the sea? I myself like the sea very much. I always think that how great it will be if I have the chance to live under the sea! Do you think living under the sea is possible? Why? Now please work in pairs to discuss the three questions on the screen.Show the following questions on the screen and hold a discussion.1. Do you think living under the sea is possible?2. Where are you going to live under the sea?3. In the undersea cities, what equipments do you think are necessary?Ten minutes later, ask some Ss to answer the questions.T: Have you finished? Who would like to tell us your opinion? Volunteer?S: I think its possible. Maybe in the future scientists will invent some kind of equipment that makes it possible for human being to live under the sea. T: If it is possible, where are you going to live under the sea? There is all water and fishes around you.S: Maybe in a special equipment which will provide us much-needed oxygen and can float in the water. In that case we can travel in the sea to enjoy the wonderful view of the sea.T: Good. If you are going to live under the sea, what kind of equipment do you think is necessary for your living?S: Oxygen provision and cleaning machine may be necessary.Step ReadingDeal with the passage on page 58.T: OK. From what you said, I know all of you are looking forward to living under the sea. Now a company just provides the very service! Please turn to page 58 and read the passage RISING TO A CHALLENGE. Lets see what the life will be like in this undersea city. When you finish reading, complete the sentences on the screen.Give the Ss 3 minutes to go through the whole passage. 1. The undersea city is so comfortable that it is described as _ .2. The undersea city has the following advantages:a. _b. _c. _d. _T: Can you find out some suitable sentences or words to fill in the blanks? Whatre the advantages of living under the sea?S: The undersea city is so comfortable that it is described as “a silk adventure”.S: The undersea city has the following advantages: a. easy contact with the land surface; b. more personal space; c. complete personal security; d. no housework worries.T: Thats great. You all have got the general idea of the passage. Now lets look into some detailed aspects of the undersea city. First lets look at its contact with the land surface. Who would like to tell me at the very beginning, what kind of problem were they facing? And how was the problem solved?S: The sea bottom is so deep that its hard to contact with the land surface. But later they invented the one-person or family shuttle-submarines which will always be ready to take people to the surface.T: So in that case people who live under the sea can easily contact with the land surface. Then com-paring with living on land, what advantage do you think can attract people to live under the sea?S: We can get twice as much personal space as in flats on land.T: Good! Then what kind of special equipment will be provided so as to realize all the advantages? Please read the text again and finish the following chart. You can work with your partners.Show the chart on the screen and give the Ss 3 minutes to go through the whole text again to scan for the answer. A few minutes later, check the answers.AdvantagesSpecial equipmentsHow does it become realized?Easy contact with land One person or family shuttle-submarinesAlways ready to take people to the surface, a special small, computerized machine to monitor each person during the trip.More personal spaceGet twice as much personal space as in flats on land, your house can float in the water.Complete personal securityComputer sensorCan feel the space left; only when the robot cleaner touches objects can they be moved.No house- work worriesFamily used robotsFeed your details into the computer hard-drive; answer your commands.T: This undersea city is amazing. But I think designing such kind of undersea city is quite difficult! Do you want to meet its designer? Now the designer of the city William Lee is being interview. Lets listen to his interview and find out which two problems he came across and how he solved them. Then please finish the exercises on page 59.Step Follow-up ActivitySet a scene for the Ss: The company is going to held a press conference and exhibition. Encourage the Ss to design a poster which will draw visitors attention and provide some useful information.T: We know that all new products have to be promoted so that it can be well-known among people. Now a press conference and exhibition is going to be held to make the undersea city known to people. If you work in the company, can you design a special poster to draw visitors attention so that they will come to the press conference? Use your imagination and you can discuss with your group members.A Sample poster:Come to this meetingSee the value of OUR undersea houses.Saturation City has: easy contact with the land surface more personal space complete personal security no housework worriesCost: 20 dollarsDate: May 18thTime: 8:00 amPlace: The Science Exhibition BuildingStep Homework T: After class, please listen to the tape repeatedly until you can retell it yourselves and pay attention to pronunciation.
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