2015年仁爱版英语Unit 4 Topic 3 Section C.ppt

Some phrases 进入太空 民族英雄 因为…而骄傲 而且，更为重要的是 另外四艘宇宙飞船 在过去的几年里 航空业 发射…进入太空 踏足于 Some phrases 过去经常做某事 对…几乎一无所知 建议某人做某事 使电脑更好地为我们服务 下定决心做某事 Unit 4 Amazing ScienceTopic 3 China is the third nation  that sent a person into space. Section C Teaching aims: 1.Words and expressions: 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. 4.(1). Talk about the importance of computers. (2). Write a composition by using our imagination. What are the computers used for? 1a 录音1. Tick the fields we use the computer in. education business industry communication daily life medical care entertainment sports In space, computers have been used to control the speed and direction of a spaceship. What is the passage about ? Underline the topic sentence of each paragraph. 1. Since computers were invented in the USA in the 1950s, they have become very important in many areas of work and leisure. 2. Since the Internet came into being, people’s lives at home have been changed, too. 3. Computers have improved our lives, but they have brought problems, too. 1b 2. Complete the following diagram. properly, besides, brought, get, enough Computers have improved our lives, but they have _______problems, too. For instance, if we work on computers too long, we may _____ headaches or sore eyes. If we play computer games too much, we won’t have ______ time to study or exercise. ______ , not everything we read on the Internet is true or good for us. Computers help us at work and at home, but they must be used _______. Please find out the attributive clauses Some phrase 在20世