1、Unit 1 ReadingThe evolution of video and sound devicesLead inReading strategyDetailed-readingFast-readingLanguage pointsWhat are they?TV setsQuestionnaire1.Do you have a MP4?Yes No2.Do you always take it with you even at school?Always Sometimes Never3.Do you agree to take MP4 to school?Yes No4.How l
2、ong do you spend listening to your MP4 a day?More than 2 hours About 1 hours Below 30 mins.Lead 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?What audio devices do you choos
3、e 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?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 Yo
4、rk and in London on 20 August 1929.2.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.1.Colour TV became popular within just a few years after it was inv
5、ented.()2.People without satellite dishes do not benefit at all from satellite TV broadcasts.()Reading(Part C1):FF3.Some of the first tape recorders used plastic tape to record on.()4.Records and cassettes do not offer as good a sound quality as CDs.()5.New technology will soon make many of the thin
6、gs talked about in the article out of date.()TFTYearEvent18771887The first recording of a human voice was made.Emile Berliner invented a record player that used discs to record on.Reading(Part C2):19251929The first public TV broadcasts were made in the USA.Regular public broadcasting began in London
7、.YearEvent193819621967The first colour TV programme was broadcast.Satellites were used to broadcast TV.Regular colour TV broadcasts began in the UK.YearEvent198219931995The first CDs were made available.The VCD was born.The DVD was invented.Headings appear before each section of a text,they can give
8、 your more information about the text.They can show you how a text is organized.Reading strategyYou 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 TVThe modern age:satellite TVEarly history of sound recorder
9、sSound and video go digitalSound goes digitalSound and video recorders(in order of time)If you could own only one electronic device,what would you choose?Why?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 n
10、ot?What are some possible disadvantages of having a lot of technology in our lives?Keys for activity D.1._ 2._ 3._ 4._ 5._ 6._ 7._ 8._edhcfabgKeys for activity E.1._ 2._3._ 4._5._ 6._7._foresawdrawbacksconstructeddelayedpercentagereceiverEventually Language Points1.contribute to把把贡献给；有助于贡献给；有助于；促成；促
11、成例例:He contributed a lot of money to the charity.他捐很多钱给慈善机构。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。我投了几首诗给一本文学杂志。翻译下列句子。翻译下列句子。1.充足的新鲜空气有助于身体健康。充足的新鲜空气有助于身体健康。2.司机的粗心大意造成了这次事故。司机的粗心大意造成了这次事故。Plenty of fresh air contributes to good health.The drivers carelessness
12、contributed to the accident.2.construct vt.制造制造His brother spent a month learning how to construct a model plane.他弟弟花了一个月的时间学习如何制他弟弟花了一个月的时间学习如何制造飞机模型。造飞机模型。3.delay v.&n.耽搁，延迟耽搁，延迟 delay sth./doing sth.推迟（做）某事推迟（做）某事 delay in doing sth 没有及时做某事没有及时做某事 without delay=quickly 毫不迟延地毫不迟延地 易混辨析：易混辨析：delay，
13、put off在表示在表示“推迟某事推迟某事”时可以互换。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。由于天气不好，航班被推迟了。但它们又有细微差别：但它们又有细微差别：（1）delay强调因某种困难或障碍厌恶，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。不确定，也可能无限延迟。My grandma fell ill all of a sudden,which delayed our trip.奶奶突然病倒了，延迟了我
14、们的旅行。奶奶突然病倒了，延迟了我们的旅行。（2）put off强调强调“拖延时间拖延时间”，指因，指因客观原因造成的拖延或主观上的有客观原因造成的拖延或主观上的有意拖延。意拖延。youre always putting off things.You should get rid of this bad habit.你做事总是拖拉，你得克服这个坏你做事总是拖拉，你得克服这个坏习惯。习惯。填空：填空：我们的飞机因大雾而延迟了。我们的飞机因大雾而延迟了。拖了那么久，他终于完成了论文。拖了那么久，他终于完成了论文。我的医生劝我立即戒烟。我的医生劝我立即戒烟。Our plane _ by the he
15、avy fog.was delayed_,he finished his paper at last.After much delayMy doctor advised me to give up smoking _.with delay4.electric adj.电的电的;电动的电动的;用电的；用电的；electrical adj.电的；电气科学的；电的；电气科学的；electronic adj.电子的电子的 e.g.an electric fan/blanket an electrical engineer an electronic music 5.distribute vt.分发；分
16、销；使分布分发；分销；使分布 distributeover 把把分配到分配到 distribute sth.to 把某物分配给把某物分配给 distribute sth.among 把某物分配给把某物分配给易混辨析：易混辨析：distribute,divide都有都有“分配分配”的意思。的意思。distribute指指“将某物分成一定的部分或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，然数量，通常各份的数量不一定相等，然后分给某些人或地方后分给某些人或地方”。distribute leaflets 分发传单分发传单divide指指“把整体分成若干部分把整体分成若干部分”。divide
17、 it into two 把它分成两份把它分成两份填空：填空：（1）这笔款项是在本地区的学校中）这笔款项是在本地区的学校中 分配的。分配的。（2）一个句子可以划分成有意义的）一个句子可以划分成有意义的 各个部分。各个部分。The money _ schools in the area.was distributed amongA sentence can _ meaningful segments.be divided up into6.benefit from 从从中受益中受益Many children in the area benefit from the books he donate
18、d.这个地区的许多孩子从他捐赠的图这个地区的许多孩子从他捐赠的图书中受益。书中受益。7.wind up 上发条上发条He reminded his wife to wind up the lock.他提醒妻子给钟上发条。他提醒妻子给钟上发条。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.约翰约翰洛吉洛吉贝德尔于贝德尔于1928年制造出第年制造出第一台彩色电视机，但知道一台彩
19、色电视机，但知道1938年第一年第一个彩色电视节目才播出。个彩色电视节目才播出。难句解析难句解析分析分析 句中句中but后面的后面的it was not until 1938 that是强调句型，对时间状语是强调句型，对时间状语not until 1938 加以强调。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 near
20、by.然而，大多数人仍然收益与卫星电然而，大多数人仍然收益与卫星电视，因为当地的电视公司把从卫星视，因为当地的电视公司把从卫星接收器接收到的信号波送给附近的接收器接收到的信号波送给附近的居民。居民。句中句中as引导一个状语从句，在此引导一个状语从句，在此句中，句中，they get from satellite receivers是定语从句，修饰前面的是定语从句，修饰前面的the signals。3.It all began in 1877,when Thomas Edison made the first recording of a human voice on his invention
21、,the record player.一切始于一切始于1877年，年，这一年托马斯这一年托马斯 爱迪生用他发明的留声机第一次录爱迪生用他发明的留声机第一次录 制了人的声音。制了人的声音。句中句中when引导非限制性定语从句，引导非限制性定语从句，在此从句中在此从句中the record player是是his invention的同位语。的同位语。1.Regular public broadcasting followed shortly afterwards,first beginning on 11 May 1928 in New York and on 20 August 1929 in
22、 London.(P2)考点考点 regular考点考例考点考例考例考例 A new _ bus service to Tianjin Airport started to operate two months ago.A.normal B.usual C.regularD.commonregular 有规律的，定期的，定时的有规律的，定期的，定时的;normal 正常的，常态的，正规的；正常的，常态的，正规的；usual 通常的，惯常的；通常的，惯常的；common 普通的，通常的，常见的。普通的，通常的，常见的。2.It took more than two decades,though，
23、until 1951,for regular colour TV broadcasts to begin in the USA.(P2)考点考点 though 作为副词的用法作为副词的用法考例考例1 How is everything going on with you in Europe?Quite well.Not so smoothly as I hoped,_.A.though B.instead C.eitherD.too考例考例2 _ he has limited technical knowledge,the old worker has a lot of experience.
24、A.Since B.Unless C.As D.Although 3.I think watching too much TV just makes you stupid!(P5)考点考点 too much和和much too 考例考例 Allen had to call a taxi because the box was _ to carry all the way home.A.much too heavy B.too much heavy C.heavy too much D.too heavy much副词副词too修饰形容词时，前面可以修饰形容词时，前面可以用用much,a lot,a bit,far等来修饰，等来修饰，表示强调。根据逻辑，题中表语只表示强调。根据逻辑，题中表语只能是能是heavy，too修饰修饰 heavy，much修饰修饰 too。Homework To complete A1 and A2 on page 98 of the Workbook.To read the article in Part A on page 103 and in Part B on page 104 of the Workbook.
