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Unit_3_Computers课件
服/务/教/师 免/费/馈/赠 返回菜单 RJ英语 · 必修2 服/务/教/师 免/费/馈/赠 返回菜单 RJ英语 · 必修2 1. check the homework exercises. 1). It has been reported that children will be offered free education. It has been reported that free education will be offered to children. 2). It has been said that we will be offered the latest computer science course book. It has been planned that the latest computer science course book will be offered to us. 3). I have been told by Peter that I will be lent his notebook computer for a week. I have been told by Peter that his notebook computer will be lent to me for a week. 2. Question: What can computers be used as? surged to $6.1 billion. As we know, science and technology is developing very fast and computers have become smaller and smaller. They have been used in many fields. So, the 21st century is the century of information technology What does it mean? Does information technology/ IT only mean things like computers? Of cause not. Actually, it means more than computers. Computers are just one kind of IT. What else do you know is part of IT?university, 1. Pre-listening: What are the changes brought by different forms of IT ? What are the advantages and disadvantages of them ? 2. While-listening: Go through the chart and make sure the students look at the chart before they listen to the tape. (This is to sharpen their attention and listen for the answers. This will also help them get the gist of the text.) Then Listen to the tape and finish filling in the chart. (If necessary, play the tape for several times.) Say: After listening to their talk, we know all kinds of IT have both disadvantages and advantages.Let’s check the answers together. Type of IT Advantages Disadvantages TV You can both listen and watch. You cannot write to friends. Web You can find information. It is very expensive.Liu Qiangdong is a person who is full of beliefs on the way to founding his business,and his life principle is taking every step carefully. 1.IPO 首次公
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