M7U1readingPPT精选文档

1982
The first CDs were made available.
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2
computer
refrigerator Washing machine
TV mobile phone
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3
TVs
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4
Sound and video devices
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5
Fast-reading
How many parts are there in this passage?
There are 6 parts in this passage.
By the late 1960s Portable cassette players and video recorders
were developed.
By the late 1970s Video recorders small and cheap enough for home
use were introduced.
Headings are helpful! If a text has headings, these are the
first things to look at.
.
8
Careful-reading
Early history of TV
TV
The morden age: satellite TV
Sound and video
Early history of sound recorders Sound and video recorders Sound and video go digital
The future
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9
careful-reading:
specific years
the events
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11
careful-reading: audio devices specific years
.
12
Sound and video devices
Year
Event
1877
The first recording of a human voice was made.
1887
Emile Berliner invented a record player that used
It is Thomas Edison who made the first recording of a human voice.
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6
Reading-strategy Understanding headings
Early history of TV The morden age: satellite TV Early history of sound recorders Sound and video recorders Sound and video digital The future 1.Where do headings often appear in a passage? 2.What are the functions of headings in a passage?
shortly afterwards.
Although the first color TV were ___c_o_n_s_t_r_u_c_t_e_d__ in 1928,
it was not until 1938 that the first color TV programme was broadcast.
Living with technology
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1
Lead in
Can you make a list of the electrical appliances and electronic devices you have at home?
electrical appliance(家用电器) electronic device(电子设备)
.
10
history of TV
Year
Event
1925 The first public TV __b_r_o_a_d_c_a_s_t_s__were made in the USA.
1928 1938
The first__l_o_n_g_-_d_i_st_a_n_c_e__ TV were made between the UK and the USA, and __r_e_g_u_l_a_r_ public broadcasting followed
__1_9_5_1__ Regular color TV broadcasts began in the USA.
1967 Regular color TV broadcasts began in the UK.
1962 ___S__a_te_l_l_it_e_s_____began to be used to broadcast TV.
When were satellites first used to broadcast TV?
Satellite were used to broadcast TV beginning in 1962.
Who made the first recording of a human voice?
.wk.baidu.com
7
What are the functions of headings in a passage?
(1). They can help you obtain the specific information quickly. (2). They can show you how a text is organized. (3). They give an idea as to the contents of each section
1928
discs to record on. The first tape recorders were made in Germany,
which often employed steel tape or paper tape.
In the early 1950s Most tape recorders began using plastic tape.