课件27张PPT。development of TVblack-and-white TVcolour TVLCD screenMP3MP4tape recorderdevelopment of audio devicesReading: TV and audio devices --- a reviewa report of past eventsGuess according to the title:What does the passage talk about?
What is the writer’s purpose in writing the passage?
Read the text and finish Part A on P2.1. When did regular public TV broadcasting begin around the world?
2. What is WebTV?
3. What was invented in 1954?It began on 11 May 1928 in New York and in London on 20 August 1929.It is the TV set combined with the World Wide Web.The cassette recorder.Fast readingcareful readingcareful-reading:specific
yearsthe eventshistory of TV19251948Colour broadcasts began in the USA.Satellites began to be used to broadcast TV.19891996careful-reading:specific yearsthe
eventsaudio devicesaudio devicesFirst recording of a human voice was made.Invention of transistor led to the development of cassette recorders.
First CDs produced by using digital technology were made available.Development of MP3 technology started in Germany.Development of MD player began.1958Thomas Edison made the first recording of a human voice. ( )
Until 1972, most people used black-and-white TV. ( )
Satellite TV is delivered with greater clarity than digital TV. ( )
The first record player was invented before 1877. ( )TFFTDigital TVsatellite TVafter5.Transistor technology was first used to receive radio programmes, and then used to develop the cassette recorders. ( )
6.CDs were invented about10 years before the MD player was invented. ( )
7.MP3 technology began in Germany in1987. ( )TFT for military useSubtitles appear after titles and give
your more information about the text.
They can show you how a text is
organized.
You may not need to read the whole
text if you can find what you are looking for under one or two subtitles.Reading Strategy:Reading strategyUndestanding a title
Subtitle chronological order
sub-topic
by concepts
types_______history of audio devices
Tape recorders and players
________goes digitalTVAudio devicesPassage structureEarlytimemodernEarlySound______history of TVage: Cable TV, satellite TV, digital TV,… The in order of ________ (By _______ of equipment)_______ Undoubtedly, in the future, both TV and audio devices will still play a very important role in human’s life. But they’ll certainly be advanced than those of today. What functions would you like your TVs or audio devices to have in the future? Discussion TV is popular in modern times. so most of us spend a lot of time enjoying a variety of TV programmes every day. What benefit does TV bring us? Does it have bad effect on us? And why?Discussion First of all, watching TV has the value of
giving people complete relaxation. After
working hard all day, people can forget
the pressures and challenges of work whe
-n sitting in front of TV. In addition to bei
-ng relaxing, TV is entertaining. As is kno
-wn to all, TV offers a variety of movies,
sports events and music to satisfy people’s
demands. Meanwhile, TV helps to widen
our knowledge and view by covering news.
However, TV has a bad effect on people,
too. For one thing, it is a big time waster.
Secondly, TV has killed people’s creativity
undoubtedly. While watching TV, people
become receptive and unquestioning. Finally
some TV shows are harmful to children,
whose mind may be filled with confusing,
misleading, and violent ideas. Besides, their
valuable time will be wasted.
words1 review 2 wireless
3 contribute 4 altogether
5 though 6 household
7 superior 8 consumer
9 concept 10 interactive
11 questionnaire 12 wind
13 patent 14 apply15 portable 16 available
17 demand 18 indicate
19 purchase 20 assumeexpressions 1 shortly after
2 contribute to
3 be uncertain about
4 in colour
5 the modern age
6 be superior to
7 have access to
8 come onto the market
9 wind up10 by hand
11 apply to
12 to a degree 13 for the first time
14 take over
15 spring up
