Learning about Language教学设计内容推荐

Unit 3 Computers Who am I? Teaching aims and demands: 1) To improve the ability of reading topic sentence/supporting details 2) To learn more information about computers. 3) Study

new words and sentences about computers. Teaching focuses and difficulties: 1) To understand the structure of the passage 2) To learn how to find the topic sentences and supporting details. Teaching procedures: Step l.Lead-in: 1. Show the students some math problems. 1+2=? 1+2+3=? 1+2+3+4=? 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+...=？

Question: How can you solve difficult sums?

2.

Show students some pictures and students will think of words to match the pictures. This introduction tests the students' knowledge of the development of computers.

abacus→ calculator → huge computer→ PC →laptop →? Question What do you learn about computers? Step II .Brainstorm During this process,it is a good chance to present new words. Students think of some words about computers and the Internet by some pictures. Related computer I words Internet data webpage desktop website network software monitor keyboard mouse database password hard disk hacker homepage account notebook download update click programme upload blog www virus fire wall screen savers 设计说明: 利用多媒体呈现相关图片，学生了解有关电脑和网络的英语词汇。

StepⅢ. Pre-reading

Students read the part in warming-up and answer the questions 1. What do they tell you about computers?

2. What do you think will be the next one? Free talk with the students and enjoy some ideas from theirown experiences.

Step IV. While- reading

1. First-reading

→

read the passage and finish the timeline below :

1642

1822

1936 1940s

1960s

1970s

now Students find some supporting details according to the time clue. 设计说明: 学生找出信息，点明文章的时间写作线索。根据时间线索查找具体细节事

实。

2.Further-reading True or false which of these sentences are true? Write“T”in

brackets for sentences that are false.

1. Alan Turing built an Analytical Machine to solve any mathematical problems. (F) 2. People began to realize that the computer got cleverer and quicker with time passing. (T) 3. The computer began to serve the human race since it was brought into people's homes.(F) 4. Since the 1970s, the computer was used by people around the world through the Internet.(T) 5. The larger the computer is, the more memory it has. (F) 3. Analyze the whole story一the :structure of the story 设计说明: 学生通过小组讨论获取填写表格所需要的信息。这一过程培养学生的合作意识，并提高学习效率;同时可以培养学生解决问题的能力，以及通过查找主题句，划分细节进行阅读技能训练

。

Topic sentence Paragraph 1 Over time I have Paragraph 2 These change only Paragraph 3 Since the 1970s many been changed quite become possible as my new applications lot. memory improved have been found for me

Supporting details 1.

calculating machine 2.

Analytical machine 3.

PC 4.

laptop 1.

tubes 2.

Transistors 3.

Chips 4.

Network 5.

World wide web 1.

Communication 2.

Finance 3.

Robots 4.

Trade 5.

Mobile phones 6.

Medical operation 7.

Space rockets 8.

Providing a life of high quality First students complete the chart above, and then decide the title below. Paragraph 1 How the modern computer come into being. Paragraph 2 The wide use of the computer. Paragraph 3 The history and development of the computer The title The improvement of the memory of a computer. : Step V. Consolidation Intensive reading for language Ask students to read the text carefully again and discover the

useful words and expressions (even wonderful sentences) they think.Collect the useful words and expressions they find out in the passage. (It is better to present them on the screen.) 1.Words logical I logically reality total/totally technology goal explore personal/personally anyhow happiness 2. phrases over time in size as large as from then on as a result share knowledge with sb. Human race a devoted friend a life of high quality through the World Wide Web be made to do 1.

Sentence memorizing 1). I began as a calculating machine in France in 1642. 2). At that time it was considered a technological revolution and the start of my artificial intelligence. 3).By the 1940s I had grown as large as a room. 4) Since the 1970s many new applications have been found for me. Step Ⅳ. Reading- -extension 1)

Fill in the blanks with the words in the text →, cloze The computer began only as a ___ machine in 1642 and then in 1822 it was built as an___by Charles Babbage. Later,Alan Turing

built a____ ____to solve any____ problem. At first, the computer was not but then it became____and later became _____and____. In the early 1960s, computers could be connected by a____ and it was brought to people's homes in1970s. Since then, people have used computers to ____ _____ information _____________ _____and each other around the world by the ______. 设计说明:通过完成以上完形填空练习，引导学生整体把握文章的主要内容，在通过一系列活动帮助学生从细节上理解和评价所学文章,最后概括全文。

2) Pair work. Students work in pairs using the first person . Note that the passive voice should be used. Who am I? Name: _______________________________________________ Father: _____________________________________________ Born: _______________________________________________ Size: _______________________________________________ History: ____________________________________________ 设计说明: 学生两人一组，各小组在熟悉课文内容的基础上,将文中信息改编成对话。旨在提高学生表达能力。

Homework 1. Please write a short passage about how computers have changed our lives according to what you have learnt in this class. 2. Practice the skill一-the topic sentence and supporting details .Passage C in the students' exercise