2022年人教版高中英语必修二Unit3《Computers》学案2 .pdf

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1、名师精编优秀教案山东省泰安市肥城市第三中学高一英语人教版必修2Unit 3 ComputersReading 学案【 学习目标】在本节课结束时，学生能够了解计算机的发展历程及其在当今社会的广泛应用。【学习重点，难点】计算机相关知识及计算机的发展历史。【课型】 Reading 【回顾复习】1). Review the language points learned in the last unit. 2). Read the new words and expressions used in the passage to make sure of the understanding of the

2、 passage. 【新知识学习】Step1. Warming up Pre-reading： ：1. Do you often use computers? Do you really know computers? _ Look at the pictures in P17 and answer the three questions. 1) 2) 3) Step2. Skimming: 1. Look through the passage to find out who the speaker is. 2. What is the main idea of the whole pass

3、age? （） A. The early development of the computer. B. The late development of the computer. C. The importance of the computer. D. The history of the computer. 3. In what order is this passage arranged(安排） ? 4. Which type / style does the text belong to ? A. Description(描 写) B. Narration(叙述 ) C. Expos

4、ition(说明 ) D. Argumentation(议论 ) 4 . The writer use the title WHO AM I . What kind of literary devices ( 修辞 )does the text use? Step3. Fast- reading & Careful-reading: 1. Read the text quickly to find the topic sentence of each paragraph. 2. Read each paragraph ca refully and find out the supporting

5、 details for each topic sentence. Paragraph one Topic sentence 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 1 页，共 7 页 - - - - - - - - - - 名师精编优秀教案Supporting details 1.calculating machine(1642 in France) 2. 3. 4.PC 5. . Paragraph two Topic sentence Supporting details tubes 2.

6、3. work Paragraph three Topic sentence Supporting details 1. communications 2. 3. 4. robots 5. 6. 7. space rockets 3.Read the text again and do the True or false exercises: 1.Alan Turing built an Analytical Machine to solve any mathematical problems. ( ) 2.People began to realize that the computer g

7、ot cleverer and quicker with time passing. ( ) 3.The computer began to serve the human race since it was brought into peoples homes. ( ) 4.Since the 1970s, the computer was used by people around the world through the Internet. ( ) 5. The larger the computer is, the more memory it has. ( ) 【当堂达标】 Sum

8、mary I was born as a _ machine in 1642. When I was young, I was good at_ difficult sums.About 2 hundred years had passed before I could think _ and produce_ answers. At that time, I was called an _ machine. In 1936, I was built as a _ machine . I had the ability to _any mathematical problem. From th

9、en on, I grew rapidly both in _ and memory. Later I stored my memory on _instead of in _. I became _ in size but _in intelligence. As time went by, I became even smaller, for I put my memory on a very small _, which made me become PC and laptop. In the 1960s, I could be connected with other computer

10、s by a _. From then on, I was able to share my knowledge with others through the _ _ _. After that, I had many new_. Now, I am glad to serve human beings as 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 2 页，共 7 页 - - - - - - - - - - 名师精编优秀教案a _ _ and a pleasant _. 【反思提升】 Discu

11、ssion: 1)How do you usually use computers in your daily life? _ _ _ _ _ 2)Work with your partners to list some advantages and disadvantages of the internet. Step4 【Homework 】Read though the text, pay more attention on new language points. Finish the exercises on the newspaper about the text.Step 2.

12、1. Its a computer 2. D. 3. time 4.C 5. Personification Step 3 Over time , I have been changed quite a lot Analytical machine ; laptop These changes only become possible as my memory improved . Transistors ;small chips Since the 1970s many new applications have been found for me Finance trade mobile

13、phones medical operations F T F T F Calculating simplifying logically quicker analytical universal Solve size transistors tubes smaller higher chip network WorldWideWeb applications devoted friend helper d 学习指导精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 3 页，共 7 页 - - - - - -

14、 - - - - 名师精编优秀教案单词读熟并能默写结 合所学过的知识作答！结合课文思考选择准确答案精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 4 页，共 7 页 - - - - - - - - - - 名师精编优秀教案仔细阅读课文完成填空英语要说出来你一定能行 ! 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 5 页，共 7 页 - - - - - - - - - - 名师精编优秀教案精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 6 页，共 7 页 - - - - - - - - - - 文档编码：KDHSIBDSUFVBSUDHSIDHSIBF-SDSD587FCDCVDCJUH 欢迎下载 精美文档欢迎下载 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 7 页，共 7 页 - - - - - - - - - -