Unit3Computers概要.doc

Unit 3 Computers Period 1: Warming up、re-reading and Reading Learning goals: 1. Let students learn more about history and basic knowledge of computer. 2. Get students to learn different reading skills. Before class（课前自主学习） I.重点单词及短语： 1. (adj.) 共同的；共有的 2. ( n.) 电脑 3. (n.) 算盘 4. (adj.) 分析的 5. (adj.) 普遍的的；通用的 6. (n..) 手提电脑 7. 个人电脑 8. 掌上电脑 9 根据 10. 与……作比较；作对比 II．难点句式突破： 1. Do you know in what ways computers are used today? (翻译)： 2. Can you put them in an order according to the time when they appeared? (翻译)： In class （合作探究 ） Leaching procedures Step 1 Warming up brainstorming The technology develops so quickly that many new things appear in human being’s life. Let’s guess what they are according to the following explanations An old calculating machine used in China until now. ( ) It is built to solve some mathematical problems. But it is too big. ( ) It is a new calculating machine which can solve a large number of mathematical problems. ( ) It is a personal computer which can solve all kinds of problems and is used widely now. ( ) Step 2 Pre-reading Task 1: 1. What do they stand for? PC IT www. 2. Do you know the following words related to computers? hard disc search software download memory update chips click artificial intelligence store program Task 2: Have the computer and Internet become part of your life? How have computer changed our lives? (What can you use them to do? ) I can use the computer or Internet to: