高中英语 213(Unit3 Talking)课件 新人教版必修5 课件VIP专享VIP免费

新课标人教版课件系列《高中英语》必修 5-2.13What will you think of next?Thomas Edison invented the electric bulb after thousands of unsuccessful experiments. By watching how the steam raised the lid, Watt improved the steam engine.James WattsteamerWork in pairs. Imagine you are two inventors and you have designed a new product,which you want to sell. Talking on P55 First, you need to decide on your product; Second, you will have to explain how your product works.Third, you need to show that people will be willing to use it. Use the descriptions on P56.ZH: I understand you have invented something that will be really useful to families and single people alike.Sample talkingXG: Yes, indeed. It’s a self-cleaning shirt, which works as you wear it. We made one that would work as soon as you put it on. It uses the heat from your body to attract water vapor from the air.ZH: Isn’t that a little uncomfortable?XG: No. We thought about that. We gave the material a special coating to keep water away from the skin and to store it in the fibres. When they are full of water the shirt begins to clean itself. ZH: How does it do that? Is there soap powder in the fibres too?XG: Not really, but we thought the fibres could do that job if they had a special anti-pollutant in them. It mixes with the water and removes the dirt from the shirt. The dirt is then carried into the air as the water turns back into vapor.ZH: How will you know if the shirt is doing its job?XG: If the shirt is working well it will appear white. When the shirt is blue, it’ll mean the shirt is too old and isn’t working properly. It’ll also mean it’s time to throw it away. We think all our shirts should be able to ...