高一英语人教课标必修2Unit3Computers教案

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课时教案授课时间：第周年月日课题 Unit 3 Computers 教学目标 Teaching aim: go over this unit to master the usage of words; phrases and sentences patterns of this unit. 教学重点 Important points: Grammar filling 教学难点 Difficult points: Basic writing 教学方法 Summary；Exercises；Consolidation 教具 Book II ； Blackboard；PPT；教学时数 Three Periods: (two periods for key points, one period for exercise) 教学过程 Teaching steps: Step 1 Word study 一、单词拼写根据词性和词义写出下列单词。 1.____________ vt. 计算 2.____________ vt. 简化 3.____________ n. 接线员 4.____________ adv. 合逻辑的 5.____________ n. 科技 6.____________ n. 革命 7.____________ adj. 人造的 8.____________ n. 智力 9_____________ vt. 解决 10.___________ adv. 亲自 11.____________ n. 应用 12.____________ n. 金融 13.____________ v. 探索 14.____________ adv. 无论如何 15.____________ n. 目标 16.____________ n. 信号 17.____________ n. 类型 18.____________ vi. 出现， 19.____________ adj. 电子的， 20.____________ n. 外貌教学过程二、单词运用根据句子的结构和意义，在空格处填入一个恰当的单词，或者用括号中所给的适当形式填空。 1. At the end of a letter you should write “Yours _______” and your name. 2. With the development of science and ___________, people will live a happier life. 3. IQ(智商) stands for ___________ quality. 4. The captain had an ___________ leg, made of wood. 5. English is a _____________ language, so we have to learn it. 6. An a__________ is a calculating tool for dealing with figures in ancient China. 7. One Laptop per Child is a non-profit association devoted to research to develop a ＄100 l_________ for every child in the world. 8. During the course, students will develop their ______________(analysis) skills. 9. The ______________ (develop) of the information technology was the greatest advance of the 20th century. 10. We will soon arrive at the point where we can find all the knowledge of humankind on a computer _____________(网络). 三、词语派生用括号中所给词的适当形式填空。 1. Try to _________ (simple) your explanation for the students to help them understand better. 2. If you want to know about the hotel, you can call the __________ (operate) to find out the information. 3. The boy is very clever and he shows high _____________ (intelligent) in study. 4. ________ (real) is not the way you wish things to be but the way they actually are. 5. Bob is _________ (total) different from his father, who is very tall. 6. They agreed to accept my ____________ (apply) for joining their team. 7. His success in business brought ____________ (happy) to his parents. 8. We will make a ___________ (person) visit to the student’s home. 9. His speech is _________ (logical) organized and sounds great. 10. I disagree that the age of ________________ (technology) revolution has ended. Step 2 Phrases reviewing 四、词组互译将下列词组或短语译成中文或英文。 1. from…on _____________________ 2. as a result ______________________ 3. so…that _________________________4. in a way ________________________ 5. with the help of ___________________ 6. deal with _________________________ 7. watch over _______________________ 8. as time goes by ___________________ 9. in/during the 1970s ________________10. after all _________________________ 11. _______________________ 公有；共用 12. _______________________ 技术革命 13. ______________ 处理；安排；对付 14. ______________________ 解决问题 15. ______________________ 人工智能 16. ______________ 走过；过去 17. ______________________ 依某人看来 18. ______________ 采取行动 19. ______________________ 与……信息共享 20. ______________ 弥补、组成教学过程五、词组运用词组填空根据句子提供的语境，从第四大题中选一个适当的词组并用其适当的形式填空。 1. They had a lot ____________ and became good friends very soon. 2. How are you going to ___________ such problems? 3. Don’t blame him. _____________, he is a child. 翻译填空根据汉语意思，从上述短语中选一个恰当的词组完成句子。 4. He soon ___________ the lessons he missed. 5. Why didn’t you _______________ to put out the fire? 6. It is not rare in ____________ (九十年代) that people in ____________ (五十多岁)are going to university for further education. 句子翻译从上述短语中选择恰当的短语翻译下列句子。 7．她从那时起就知道自己会获胜。 8．结果，他只得离开。 9．在他父母的帮助下，他很快完成了作业。 10．在春天，我们通常将钟表向前拨一小时，以充分利用日光。 Step 3 Practice 六、语法填空阅读下列短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。 eBay is the world’s online marketplace, 31 enables individuals and small Business to trade on a local, national and international basis32 (found) in September 1995, eBay provides a platform (平台) 33 the sale of goods and services to more than 135 million registered members from all around 34 world. Globally, eBay has more than 44 million items (项目) listed for sale at any one time. And an additional 4 million items 35 (add) daily. There are more than 50,000 kinds, including computers, art, toys, stamps, magazines music, glass, electronics, jewelry, e-Books and so on. Electronic (电子的) books or e-Books are texts designed to be read only 36 a computer screen. The greatest advantage of e-Books is that you can get the relevant information at the press of a button. Buying e-Books on eBay is easy. You can order e-Books online and they will be delivered (交付) electronically to your computer. So you can 37___ money with no shopping, no taxes, and the lowest prices. You could visit e-Book Mall that has the world’s largest 38________ (choose) of quality e–Book. Or go to Gemstar e-Books that give a new 39 (mean) to the term “light reading”. They have powerful electronic features such 40 a built-in dictionary, world search and bookmarks. 七、基础写作用括号中所给词翻译下列句子，然后将这些句子联成一篇5句话的连贯的短文。 1. 随着岁月的流逝，计算机在我们的日常生活中变得越来越重要。(as, go by, more and more, in our daily life) 2. 我们利用计算机查找我们所需要的资料；从某种意义上说，计算机是我们的好帮手。 (make use of, information, in a way) 3. 巧板学生沉迷于网络游戏，这对身体健康有害。(fall in love, be harmful to) 4. 依我来看，计算机有优点，也有缺点。(in one’s opinion, advantage, disadvantage) 5. 家长应该看护子女，如何用好计算机。(watch over, how to use) One possible version As time goes by, computer is more and more important in our daily life. We can make use of it to find out information we need. In a way, computer is our good helper. However, students fall in love with games in the Internet, it is harmful to their health. Step 4 : Points usages 核心单词 1. personally adv. 亲自(= in person)，依本人之见，就人而论 ◇Personally, I couldnt work to live. 就我个人而言，我无法为生存而工作。 ◇Youd better talk to him personally.你最好亲自去跟他说。 ◇We like him personally, but dislike his way of living. 我们喜欢他这个人, 但不喜欢他的生活方式。 ※说明：该副词用于句首时，意为“就个人而言”，相当于as far as I am concerned。 ■运用：用personally翻译句子或完成句子。 (1)就本人而言，我赞同这个计划。 _______________________________________ (2)我不喜欢他的为人，但我钦佩他的艺术。________________, but I admire his art. 2. create v. 创造；产生 ◇A novelist creates characters and a plot. 小说家塑造人物和故事情节。 ◇His appearance created a bad impression. 他的外表给人留下了不好的印象。 ■运用：用create翻译句子。 (1)健康和财富能创造美丽。____________________________________ (2)我们所做的就是创造“价值”。____________________________________ 3. arise vi. 出现(appear)，发生(happen)，起身，起因于理解：指出下列句中arise的意思

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