Unit3_Computers_教案.doc

Unit 3 Computers Period 12, Warming Up, Pre-reading, and Reading Teaching aims 1. Knowledge aims Get the students to learn the useful and expressions in this part. Let students to learn about history and basic knowledge of computers. Ability aims Develop students reading abilities and let them learn different reading skills. Emotion aims : Arouse students great interest in learning computers and let them learn to use the computers in their daily lives. Teaching difficult and important points Let the students learn more about history and basic knowledge of computers. Get the students to learn different reading skills. Teaching methods Task-based teaching and learning Cooperative learning Discussion Teaching procedures and ways Step1.Warming up Task1: How much do you know about computers? (Make a survey) 1. What does IT mean? Information technology 2. How to speak 科学技术 in English? Science and technology 3. What does PC mean? Personal computer? 4. How to speak 人工智能 in English? Artificial intelligence ? 5. What does PDA mean? ?Personal digital assistant 6.How to speak 笔记本电脑 in English? Notebook computer/ laptop? 7. What does W.W.W mean? World wide web 8. What can computers be used to do in our daily life? …… Task2: What is it? Give some sentences to describe different kinds of calculating objects and some pictures to help the students to guess what it is? ① An old calculating machine used in China until now. An abacus ② It is a new calculating machine which can solve a large number of mathematical problems. A calculator ③ It is built to solve some mathematical problems. But it is too big. A huge computer ④ It is a computer which can solve all kinds of problems and is used widely now . A PC / desktop ⑤ It is a kind of computer which can be taken conveniently(方便). A laptop / notebook computer Step2.pre-reading Can you put these inventions in an order according to the time when they appeared? ( ) Analytical machine（分析机） (