Unit 3 Tomorrow’s world课件18（牛津高中必修4）.pptVIP

Unit 3 Tomorrow’s world Welcome to the unit Ⅰ Brainstorm What do you think life will be like in 3000? Picture one The robot is serving d____ for the master. He can do a lot of things for h________, for example, they can help people do h_______. they will make people’s lives more c________. What’s more, robots can help people do boring or dangerous work so that people can have time to r______. Picture two Where are the passengers going? Do you believe that travelling to the Moon would be just like travelling to another city? If you have a chance, would you like to fly to the Moon or another planet? Picture three What are the people in this picture doing? How old is the man? Do you think people can live that long in the future? Why or why not? Picture four Ⅱ Discussion (pair work) Do you think the Moon could be a tourist destination in the future? Why? What developments in science and technology would you like to see happen in the future? More information about robots Why do we need robots Why do we need robots? First, they are hardworking and reliable. They can do dangerous work or work that is very boring or tiring for humans. They can work around the clock without complaining and without needing rest, food or vacations. And robots can go places that humans can not, such as the surface of Mars, deep under the ocean or inside the radioactive parts of a nuclear power plant. The Parts of a Robot First, a robot must have a body of some kind. Like the scarecrow in the Wizard of Oz, a robot also needs a brain. For a robot to be really useful, it must have some sort of intelligence. Just as humans have sense organs such as eyes and ears, robots need sensors. A robot might also need a voice to speak to its owner. Many robots need some type of hand, usually called a manipulator or gripper, to do their jobs. Ⅱ Discussion (group work) What jobs do you think robots could do in the future? Do you think robots will replace human beings in the future? What things do you th