1、 Unit 3 ComputersPeriod One Warming up and Reading By Zhang Suocheng Teaching contents: Warming up; Pre-reading; Reading; Comprehending (Page 17-19)Teaching important points:1. Students are able to learn more about the history and basic knowledge of computers.2. Students are able to learn different
2、reading skills.Teaching difficult points:1. Help students to improve their reading abilities.2. Students are able to express their opinions.3. Help the students learn to use personification, chronology and topic sentences when writing Teaching methods:1. Task-based teaching and learning2. Cooperativ
3、e learning3. DiscussionTeaching aidsThe multimedia Teaching aimsKnowledge aims:1. Students are able to learn the useful new words and expressions in this passage2. Students are able to know basic knowledge about computers.Ability aims:1. Help students to improve their reading abilities.2. Train the
4、students ability to collect useful information from the Internet by themselves.Emotional aim: Guide the students to work hard to create more wonderful and convenient inventions for human beings. Teaching procedureStep One Warming up1. Talk about the importance of computer and the Internet.2. Coopera
5、tive learning: Show some pictures of the development of computers. Questions: 1. What can you see in the pictures? (abacus, calculator, huge computer, PC, laptop, PDA, robot)2. What do you think will be the next development?Discussion (pair work): What do they have in common, in your opinion?Some us
6、eful expressions: I think that In my opinionI believe that Whats your reason? Why do you think so?Step Two Pre-reading Ask the students to predict what the text is going to be about from the title and the pictures.Step Three While-readingTask 1: Skimming the passage for the general ideaQ 1: What is
7、the main idea of the passage?This passage is mainly about the history of the development of computers.Q 2. Who am I?I am a computer.Task 2: Scanning for detailed information. Read the passage and finish the timeline below. (Ex. 1 on Page19)Task 3: Listen and read aloudTask 4: Read the passage again.
8、 In pairs find out the topic sentence of each paragraph and the supporting details. (Ex.2 on Page19)Question & Summary: How to find out the main idea of a paragraph quicklyA topic sentence sets out / explains the main idea of a paragraph.A topic sentence is usually the first or the last sentence of
9、a paragraph.Step Four Post-reading Task 5: Guessing gamesFind the word or expression for each of the following meanings from the text according to the context. (Ex. 1 on Page 20)Task 6: True or False?1. The passage mainly tells us the history of the computer.2. The computer was considered simple-min
10、ded before it got artificial intelligence.3. Charles Babbage invented the first computer.4. Since its birth the computer has been built to take the place of the human race.Step Five Brief summary What have we learnt in this class?1) some words about computerscalculating machine, analytical machine,
11、universal machine, PC, laptop, tubes, transistors, chips, network, World Wide Web, communications, finance, trade, robots, mobile phones, medical operations, space rockets2) the short history of the development of computersgreat changes in size from_ to _great changes in memory from_to _great change
12、s in function from_to _great changes in application from_to _3) some scientists relating to computers_built the analytical machine._made the first computer.4) some good methods of writinga. in the first personpersonification “Who am I? ”b. in an order of timechronologyc. topic sentencesStep Six Disc
13、ussion in groups of fourWork in groups of four and discuss the advantages and disadvantages ofcomputers. Step Seven HomeworkRead the passage again. Underline the words, phrases or sentences that you dont understand, and try to solve the problems using context clues and the dictionary.Design on the b
14、lackboardUnit 3 ComputersPeriod One Warming up and ReadingMain idea of the passage:This passage is about the history of the development of computers.Topic sentences of each paragraph:Paragraph 1: Over time I have been changed quite a lot.Paragraph 2: These changes only became possible as my memory i
15、mproved.Paragraph 3: Since the 1970s many new applications have been found for me.Summary: What have we learnt in this class?1) some words about computers2) the short history of the development of computers3) some scientists relating to computers4) some good methods of writinga. in the first personpersonification “Who am I? ”b. in an order of timechronologyc. topic sentences
