Reading(2)：Theevolutionofvideoandsounddevices

易混辨析：distribute, divide 都有“分配”的意思。 distribute指“将某物分成一定的部分 或数量，通常各份的数量不一定相等， 然后分给某些人或地方”。 distribute leaflets 分发传单 divide指“把整体分成若干部分”。 divide it into two 把它分成两份
Below 30 mins.
Leading-in
• What did the first TV in your home look like? How big is it? What was the picture like?
• What does the TV you are using now look like? How big is it? What was the picture like?
Sound and video recorders (in order of time)
Early history of sound recorders Sound and video recorders Sound and video go digital
If you could own only one electronic device, what would you choose? Why?
Year
Event
The first colour TV programme 1938
was broadcast.
1962 Satellites were used to broadcast TV.
Regular colour TV broadcasts 1967
began in the UK.
Year
填空。 （1）这笔款项是在本地区的学校中
分配的。
The money w__a_s_d_i_st_r_i_b_u_te_d__a_m__o_n_g_ schools in the area. （2）一个句子可以划分成有意义的
各个部分。
A sentence can b_e__d_i_v_id_e_d__u_p_i_n_t_o_ meaningful segments.
Read the text quickly and answer the following questions.
1. When did regular public TV broadcasting begin around the world? It began on 11 May 1928 in New York and in London on 20 August 1929.
翻译下列句子。 1. 充足的新鲜空气有助于身体健康。
Plenty of fresh air contributes to good health. 2. 司机的粗心大意造成了这次事故。
The driver’s carelessness contributed to the accident.
2. delay v. & n. 耽搁，延迟 delay sth. / doing sth. 推迟（做）某事 delay in doing sth 没有及时做某事 without delay=quickly 毫不迟延地
易混辨析：delay，put off 在表示“推迟某事”时可以互换。 The flight was delayed / put off due to the bad weather. 由于天气不好，航班被推迟了。
但它们又有细微差别： （1）delay强调因某种困难或障碍厌恶， 动作主体是人或困难本身，延迟的时间 不确定，也可能无限延迟。
Unit 1 Reading The evolution of video
and sound devices
What are they? TV sets
Questionnaire
1. Do you have a MP4?
Yes
No
2. Do you always take it with you even
3. electric adj. 电的;电动的; 用电的； electrical adj. 电的；电气科学的； electronic adj. 电子的 e.g. an electric fan/blanket an electrical engineer an electronic music
4. distribute vt. 分发；分销；使分布 distribute…over… 把……分配到 distribute sth. to… 把某物分配给…… distribute sth. among 把某物分配给……
Emile Berliner invented a record player that used discs to record on.
The first public TV broadcasts 1925 were made in the USA.
1929 Regular public broadcasting began in London.
You may not need to read the whole text if you can find what you are looking for under one or two headings.
TV (In order of time)
Early history of TV
The modern age: satellite TV
broadcasts.
(F )
3. Some of the first tape recorders used
plastic tape to record on. ( F )
4. Records and cassettes do not offer as
good a sound quality as CDs. ( T )
Event
1982 The first CDs were made available.
1993 The VCD was born.
1995 The DVD was invented.
Reading Strategy
Headings appear before each section of a text, they can give your more information about the text. They can show you how a text is organized.
More and more people are using computers for information and entertainment. Do you think we still need books and TVs in the future? Why or why not?
What are some possible disadvantages of having a lot of technology in our lives?
填空。 ①我们的飞机因大雾而延迟了。
Our plane _w_a_s_d__el_a_y_e_d_ by the heavy fog. ②拖了那么久，他终于完成了论文。
_A__ft_e_r_m__u_c_h_d__el_a_y, he finished his paper at last. ③我的医生劝我立即戒烟。 My doctor advised me to give up smoking _w_i_t_h_d_e_l_a_y_.
第一台彩色电视机，但知道1938年 第一个彩色电视节目才播出。
[分析] 句中but后面的it was not until 1938 that是强调句型，对时间状语not until 1938 加以强调。
2. However, most people still benefit from satellite TV, as local TV companies broadcast the signals they get from satellite receivers to the population living nearby.
My grandma fell ill all of a sudden, which delayed our trip. 奶奶突然病倒了，延迟了我们的旅行。
（2）put off强调“拖延时间”，指因 客观原因造成的拖延或主观上的有 意拖延。
you’re always putting off things. You should get rid of this bad habit. 你做事总是拖拉，你得克服这个坏 习惯。
难句解析
1. John Logie Baird constructed the
first colour TV in 1928, but it was not until 1938 that the first colour TV programmer was broadcast.
约翰·洛吉·贝德尔于1928年制造出
• What audio devices do you choose to enjoy music?
• What functions else do you need in an audio device besides playing music?
Do you want to know more about video and sound devices?
Language Points
1. contribute to… 把……贡献给；有助于…… ；促成 例:He contributed a lot of money to the
charity. 他捐很多钱给慈善机构。 I contributed several poems to a literary magazine. 我投了几首诗给一本文学杂志。
Keys for activity D. 1. __e__ 2. __d__ 3. __h__ 4. __c__ 5. __f__ 6. __a__ 7. __b__ 8. __g__
Keys for activity E. 1. _f_o_r_es_a_w____ 2. _d_r_a_w__b_a_c_k_s__ 3. _c_o_n_st_r_u_c_t_e_d 4. __d_e_l_a_y_e_d____ 5. _p_e_r_ce_n_t_a_g_e_ 6. __r_e_c_e_iv_e_r____ 7. _E_v_e_n_t_u_a_ll_y_
2. When did satellites be used to broadcast TV ? Satellites were used to broadcast TV beginning in 1962.
3. What was made in 1928? In 1928, the first tape recorders used to copy sound were made in Germany..
at school?
Always Sometimes Never
3. Do you agree to take MP4 to school?
Yes
No
4. How long do you spend listening to
your MP4 a day?
More than 2 hours
About 1 hours
Reading (Part C1):
1. Colour TV became popular within
just a few years after it was invented.
(F )Biblioteka 2. People without satellite dishes do not
benefit at all from satellite TV
5. New technology will soon make
many of the things talked about in
the article out of date.
(T )
Reading (Part C2):
Year 1877
1887
Event The first recording of a human voice was made.