unit 3 computers

Unit 3 Computers Teaching and Learning Plan(Period 1 Vocabulary Learning, Warming Up & Pre-reading) Editor: Yuan Mingming Approved by Pang XinghuaTeaching Goals:1. To introduce the new words and expressions about computers ;2. To arouse students ’ interest in learning about the development of computers3. Talk about the question in Pre-reading and try to predict the content of the text. Teaching Procedures: Step 1 GreetingsStep 2 Leading-in ------Introduce this unitT: Hello, everyone. Today we are going to start a new unit, the topic of which —Computers is very popular today. I think that all of us know a lot about computer. In this unit, you will learn more about computer in English. We’ll talk about information technology, the history and bas ic knowledge about computer and robot. They are all so interesting topics that most of you could not wait any longer to talk about. Now, let’s start. Step 3 Introduce the new words and expressions (from “abacus ” to “human race ”) Step 4 warming upTask 1 Look at the pictures, talk about what they have in common.Suggested answers: Some common characters: to help people to do some work more efficiently and to makelife much easier and more convenient.Task 2 Ask the Ss to work in group of four to talk about the next development of computer with their imagination.Notes: in common : for or by all of a group 共同的; 共有的; 共用的 in common 常常同have 连用，如,have something in common 有一些共同之处 have nothing in common 无共同之处 have little in common 几乎无共同之处 have a lot in common 有许多共同之处e.g.：You know, Mary, you and I have one thing in common. 玛丽，你知道我和你有一个共同点。

Although they were twin sisters, they had nothing in common. 尽管她们是同胞姐妹，但是她们无共同之处。

In common with other children, I went to school at six. 和其他孩子一样，我六岁去了学校。

Step 5 Pre-readingTask 1 Look at the pictures and the title of the reading passage. Predict the content of the text and tell the reason.An Analytical MachineSuggested answers: The passage is about the development of computers. Task 2 List the ways that computers are used today.Possible answers: for storage of information; for presentation of information; for skilled operations in factories or hospitals; for words and information process; for information management; etc. Task 3 Put the inventions in time order. Go through some new and technical words. (Some nouns.) Step 6 Homework1. Try to remember the new words and expressions about computer.2. Preview the text and find out the difficult words or sentences in the passage as possible as you can. 课后反思：_______________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________Unit 3 ComputersTeaching and Learning Plan(Period 2 Reading & Comprehending)Editor: Yuan Mingming Approved by Pang XinghuaTeaching Goals:1. Read and understand the contents of text and do the reading comprehension exercises.2. Learn about the organization of the text such as describing the development in time order and using topic sentences and details to form paragraphs.Main points: The reading comprehension of the text and the text structure and organization.Difficult points: The reading comprehension of the text and the text structure and organization.Teaching procedures:Step 1 RevisionReview some words about computers.Step 2 Fast ReadingTask Scan the text as quickly as possible. Find out the main idea of the text and the way in which the text is organized. By the way, check whether their predictions are right.(Tell the Ss to guess the new words while reading.)Main idea of the text: The development/ history of computers.The text is organized in time order. And it is presented in first person “I”.Task 2 Read the text again to get more information to fill in the blanks in Exercise 1 in Comprehending and pay attention to the organization of the text.Answers to Exercise 1:1642 The computer began as a calculating machine．1822 The analytical machine was made by Charles Babbage.1936 The computer grew rapidly both in size and in brainpower.1940s Computers had grown as large as a room.1960s The first family of computers was connected to each other.1970s Computers were used in offices and homes.Now: Computers connect people all over the world together.Step 3 Careful ReadingTask Read each paragraph carefully, find out the topic sentences and supporting details and pay attention to how the paragraph is organized. Complete the chart in Exercise 2 in Comprehending.(Tell the Ss how to find out the topic sentence.)(Remind the Ss to learn the way the writer organised paragraphs. We should have a topic sentence in a paragraph and supporting materials to support the main idea.)Step 4 Listening and ComprehendingTask 1 Listen to the tape to get a better understanding of the text, paying attention to the text structure and organization.Task 2 Finish the following passage after listening.I began as a _______ _______ in 1642 in France. In 1822 I was built as an _____ _________. Then in 1936 Alan Turing wrote a book and built a _______ ______.As time___ ___, I was made ______ but my memory got ______ and _____. In the 1960s they gave me a family connected by__ ______. Now people call it the Internet. I was used in ______ and ______ in the 1970s. Since my birth I have truly been built to serve the human race.Answers:calculating machine; analytical machine; universal machine; went by; smaller; large; improved; a network; offices and homesStep 5 Homework1. Listen to the tape and read the text again.2. Preview the new language points in the text.课后反思：_______________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________Unit 3 ComputersTeaching and Learning Plan(Period 3 & 4 Reading “Who Am I”)Editor: Yuan Mingming Approved by Pang XinghuaTeaching goals:1. Learn the new words and new language items in the text and their usages to get a better understanding of the text.2. Enable students to master the usages of some important sentences.Main points: New language points and language items.Difficult points: Learn and use the new language points and language items.Teaching procedures:Step 1 RevisionTask 1 Revise the meaning of some new and technical words.Task 2 Revise the content, organization and structure of the text.Step 3 Language points:1. calculate v. 1) to use numbers to find out a total amount, distance, etc.计算; 核算2) to guess sth by using all the information available 推测; 估计e.g.: We haven’t really calculated the cost of the vacation yet.我们还没有确切的计算出度假要花多少钱。