内容正文:
M7 Unit1
1. What electrical (电器产品) and electronic
products (电子产品) do you have at home?
2. Which do you think is the most useful?
3. Do you think these products have
made our lives more convenient? Why?
Electrical products
electric rice cooker
washing machine
microwave oven
TV set
refrigerator
air conditioner
Electronic products
phone
laptop
digital camera
electrical & electronic products
electric rice cooker black-and-white TV
color TV air conditioner lamp
water heater refrigerator fan
washing machine microwave oven
desktop phone router printer
sound recorder PC (Personal computer) telephone
The evolution of video and sound devices
Reading
Reading strategy:understanding headings(标题)
Task 1 What are the functions of headings?
show you how a text is organized.
give an idea as to the contents of each section.
Task 2 Find all the headings and fill in the blanks.
TV
Sound and video recorders
Early history of TV
The modern age: satellite TV
Early history of sound recorders
Sound and video go digital
Sound goes digital
The evolution of video and sound devices
Read the text quickly and answer the following questions.
1. Who developed the system used for
most early TV broadcasts?
John Logie Baird.
2. Who made the first recording of a
human voice?
Thomas Edison.
3. What were developed by the late 1960s?
Portable cassette players and video
recorders.
Task 1
Read the first part and get the main idea of each paragraph.
Para.1 The development of ______________
Para.2 _______ who contributed to the development of TV.
Para.3 The development of ______________
TV broadcast
People
color TV
1. Color TV became popular within just a few years after it was invented. ( )
2. People without satellite dishes do not benefit at all from satellite TV broadcasts. ( )
F
F
Task 2 True or false.
3. Some of the first