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Book7Unit1welcome and reading教案


Book 7 Unit 1: Welcome to the unit 第 1 课时 主备人: 王雪萍 审核人:吕婷 教学目标 1. Students will be able to list the electrical appliances and electronic devices they have at home; 2. Students will be able to

talk about how modern technology affects their lives; 教学重点 Students will be able to talk about the development of other electronic devices. 教学难点 Read exhibition boards about the history of television and audio devices; 教学过程 Step 1 Warming up Can you make a list of the electrical appliances and electronic devices you have at home? electrical appliances: a machine, usually one that is electrical, that is used for doing jobs in the home, such as washing clothes or cooking. Most homes now have numerous electrical appliances, from dishwashers to microwave ovens. electronic devices: a usually small piece of equipment, especially advanced electronic equipment Some cars are fitted with a safety device which won’t let the car start unless passengers are wearing seat belts. ? Microwave ovens Refrigerators ? TV sets Digital camera … Step2 Talking about your experience How have they changed our life? “Personally, I think the invention that has greatly changed our life is __________ because __________.” What contributed to these great inventions? A. The development of science and technology. B. … C. … Step 3 Sharing your opinions 1. Do you agree with the following statements? (Please specify.) (1) Technological developments in the last few decades have been breathtaking. (2) Technological inventions have greatly improved people’s lives. advantages and disadvantages positive effects and negative effects pros and cons 2. If you were an inventor, what would you like to invent? 复备栏

For study

For entertainment

For the household

Step4: Reading the development of TV What do you think is the best way to get the most important information in such a long passage? Follow the chronological order (in order of time). ? 1925 Wireless TV transmissions, USA ? 1923-1927 ____________________ ? 1928 _______________________ ? 1928-1929 ____________________ ? 1929_______________________ 1948_____________________ ? 1951______________________ 1962____________________ ? 1996 _______________________ ? 1925 Wireless TV transmissions ? 1923-1927 Early forms of TV invented ? 1928 first long-distance TV broadcast ? 1928-1929 Regular public broadcasting ? 1929 Color TV shown 1948 Cable TV ? 1951 Color broadcasts 1962 Satellite TV ? 1989 International standards for digital TV Step 5 Reading the history of audio devices 1877 The first recording of a human voice 1931 ______________________ 1948 ______________________ 1954______________________ 1958______________________ 1979 _______________________ 1982 _______________________ 1986 _______________________ 1987 _______________________ 1877 The first recording of a human voice 1931 The first tape recorders 1948 Transistor invented 1954 Cassette recorders developed 1958 The first LPs (long-play records) 1979 The Walkman introduced 1982 The first CDs produced Homework 1. Pay attention to some difficult and long sentences. 2. Do the exercises given in Workbook. 教后反思


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