Unit 4 Topic 3 Section C课件2023-2024学年仁爱科普版英语九年级上册

Unit 4 Amazing Science Topic 3 China is the third nation that sent a person into space. Section C 1. Some words: doubt, tiny, inside, brain,cancel, connect 2. Some phrases: no doubt, for instance 3. Some sentences: (1) There is no doubt that computers are very useful in technology and business (2) Computers help us at work and at home, but they must be used properly. Language goals What are the computers used for? Computers were invented in the USA in the 1950s, now they have become very important in many areas of work and leisure. Warming up Doctors can find diseases easily with the help of computers. For example, tiny computers which are inside patients' bodies can keep their hearts beating normally. Warming up In space, computers have been used to control the speed and direction of a spaceship. Warming up 1a Read and understand. 1. Tick the fields we use the computer in. education business industry communication daily life medical care entertainment sports Learning 1a Read and understand. 2. Can you give an example of the use of the computer in one of the fields above? Learning The Importance of Computers Since computers were invented in the USA in the 1950s, they have become very important in many areas of work and leisure.There is no doubt that computers are very useful in technology and business. In space, computers have been used to control the speed and direction of a spaceship.With the help of computers, doctors can find diseases easily and solve other problems.For example, tiny computers which are inside patients' bodies can keep their hearts beating normally. In factories, robots are controlled by computers that are like human brains. They can do work that is dangerous to humans. In business, com