自制M7U1_Reading(课堂PPT)

1、1,为科技咋舌，与时代同吻！,Unit 1 Living with technology,2,Warming up,Can you make a list of the electrical appliances(电气设备) and electronic devices（电子器件） you have at home?,3,electrical appliances: A machine, usually one that is electrical, that is used for doing jobs in the home, such as washing clothes or cook

2、ing Most homes now have numerous electrical appliances, from dishwashers to microwave ovens.,4,electronic devices: a usually small piece of equipment, especially advanced electronic equipment Some cars are fitted with a safety device which wont let the car start unless passengers are wearing seat be

3、lts.,5,Microwave ovens Refrigerators TV sets Air conditioners Washing machines Vacuum cleaners Dishwasher Computers CD players,Mobile phones Digital camera Electronic dictionaries Induction cooker Water heater Electric cooker,6,Which do you think is the most useful?,7,Electronics have developed very

4、 quickly in the last decades. Do you think these things have made our lives more convenient or have they made simple things more complicated?,8,Electronics have developed very quickly in the last decades. Do you think these things have made our lives more convenient or have they made simple things m

5、ore complicated?,9, They are invented to meet peoples needs. They have improved peoples lives to some degree. They are developing very quickly. The radiation from some of the electrical or electronic devices, such as mobile phones, may be harmful to peoples health. When people buy new electrical or

6、electronic devices, they throw away the old ones. This may generate a large amount of waste, which is harmful to the environment.,10,Can you imagine what life would be like without those electrical and electronic devices?Which do you think is the most greatest inventions in your life?,“Personally, I

7、 think the invention that has greatly changed our life is _ because _.”,11,Do you agree with the following statements? 1. Technology has seen some amazing developments in the last few decades. 2. Technological inventions have greatly improved peoples lives. 3. Science and technology is the first pro

8、ductive force,12,Development of TV,black-and-white TV,colour TV,LCD screen 液晶显示器,13,Picture 2: How did people record music in the past?,Put the tapes into the recorder, then play the tape with music at one side and play the record button at the other side to record the music onto the blank tape.,14,

9、gramophone (留声机),radio/tape recorder,MP3 player,CD player,Development of audio (音响) devices,15,Picture 4: How did people keep in touch in the past?,- by letter/telegraph/telephone,How do people keep in touch now?,- mostly by mobile phone,What functions do the latest mobile phones have?,16,Fast readi

10、ng The structure of the passage,17,The (1) of video and sound devices,TV,Early (2) of TV,The modern age: (3) TV,(4) and sound devices,Early history of sound recorders,(5) and video recorders,Sound and video go (6),The future,18,Structure of the passage,Part I TV Part II Sound and video devices,19,Ex

11、ercises on Page 2 part A: 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.,20,Reading strategies 1,What do you think

12、is the best way to get the most important information in such a long passage? Follow the chronological order(年月日次序).,Reading strategy on Page 3,21,Reading strategies 2,How is so much information organized? Take a close look at the structure of the passage and youll find out: Subtitles are helpful!,2

13、2,Careful Reading,?,?,23,Complete the table,Complete the following table by filling in the event happening in a particular year.,24,25,Emile Berliner invented a record player that used discs to record on.,The first public TV broadcasts were made, in the USA.,Regular public broadcasting began in Lond

14、on.,26,The first colour TV programe was broadcast.,Satellites were used to broadcast TV.,Regular colour TV broadcasts began in the UK.,The first CDs were made available.,27,The DVD was invented.,The VCD was born.,28,Reading for details,P4 C1 F L12-14 F L24-25,F L35-38 T L43-45 5. T L49-50,29,Languag

15、e points,30,long-distance (line3) regular public broadcasting (line 3) shortly afterwards (line 4) contribute to (line 6) primitive (line 8) be broadcast live (line 19) over vast distances (line 20) accessible ( line 21) benefit from (line 24) wind up (line 31) electrical component (line 38),31,port

16、able cassette players (line 39) along with (line 39) available (line 43) be used for (line 43) be standard for (line 46) with the development of (line 48) digital technology ( line 48) foresee (line 51),32,Word study,33,However, his system was very primitive and had many drawbacks.(line 8) A. disagr

17、eements B. disadvantages C. disabilities 2. John Baird constructed the first color TV in 1928. ( line 12) A. collected B. instructed C. made 3. Regular color TV broadcasts were delayed in the Uk until 1967.(line 14) A. held over B. defeated C. rebuilt 4. They also make TV accessible to people who li

18、ve far away from(line 21) A. convenient for B. available for C. possible for 5. Meanwhile, electrical components eventually became so small that.(line 38) A. initially B. temporarily C.finally,34,6. Sound and video can now be stored on a PC, on the internet, or.(line 48) A. reserved B. shopped C. st

19、arted 7. Who can foresee what the future will bring? ( line 51) A. forecast B. retell C. approve 8. Since people were sceptical that the public would want to .(line 10 page 5) A. thankful B. doubtful C. believable.,35,Sentence study,Translate the following sentences into Chinese.,36,Modern TVs use m

20、any of the principles first discovered by Parnsworth(line 10) 2. It took more than 2 decades, though, until 1951, for regular color TV broadcasts to begin in the USA.(line 13) 3. Satellites were used to broadcast TV beginning in 1962. (line 19) 4. However, most people still benefit from satellite TV

21、, as local TV companies broadcast the signals they get from satellite receivers to the population living nearby(line 24) 5. The first record players had to be wound up by hand and only played records that were 2 minutes long.(line 31) 6. Most early recorders employed steel tape to record on, which m

22、ade them heavy and difficult to use, or paper tape, which was easier to use but often broke.(line 35),37,Key points,38,Many different people contributed to the development of TV. (line 6) contribute: verb 1) 捐助，贡献 Come to the meeting if you feel you have something to contribute. Her family have cont

23、ributed 50, 000 to the fund. 2 ）投稿 She contributes to several magazines. 3)contribute to sth. 有助于，成为的原因 Smoking certainly contributed to his early death.,39,注意：以下短语中 “to” 是介词，后接名词或动名词： look forward to ; take to(养成做的习惯); refer to; get/be used to; be/get/become accustomed to; lead to; contribute to； d

24、evote to; pay attention to; get down to; be addicted to（沉迷于）; the key to,40,2.John Logie Baird consturcted the first color TV in 1928, but it was not until 1938 that the first color TV programme was broadcast.(Line 12),本句中notuntil用于强调句型，其结构为:,It is /was not until that,我直到半夜才得以入睡。 直到昨天我才获悉姚明已经退役了。 有些

25、东西只有你在真正失去的时候才会感到它对你是如此的重要。,It was not until midnight that I went to sleep.,It was not until yesterday that I learned that YaoMing had retired.,It is not until you really lose sth that you finally realize how important it means to you.,41,“Not until+时间状语”置于句首，主谓要用部分倒装语序。,Not until after the war did

26、he return home. Not until next week will the sports meeting be held. Not until he had graduated from the university did he realize the importance of time.,42,3.It took more than two decades, though, until 1951, for colour broadcasts to begin in the USA. (P2) 但是彩色电视节目一直到1951年才得以在美国开播,这其间一共经历了二十多年的时间。

27、 though conj. 1) 虽然、尽管 Though he was only twelve，he could run faster than any kid in the school.,43,2) 但是 Theyre coming next week, though I dont know which day. adv. 可是,不过 We were at school together. I havent seen her for years , though.,44,as if/though 似乎,仿佛 I felt as though Id been lying in the su

28、n for hours. even though 虽然、尽管Even though he left school at 16, he still managed to become prime minister. even if 即便 ， 纵然 She was going to have problems getting the job even if she finished the work following the managers order.,45,（2）though 在本句中作副词，意思是“不过，然而。” 常位于句末，有时也可以放在句子中间。,He said he would c

29、ome; he didnt, though. I am suffering from a cold. Nothing serious, though.,though 做连词， =although 意思是“虽然，尽管。” 不可以和 but 连用，但是可以和_, _ 连用。,Though he joined the company only 2 years ago, he had already held an important position. Though it was late at night, he was still working.,46,though 可以用于倒装句，=as 引

30、导的让步状语从句. although不用此结构。,Child as/though he is, he knows a lot. Young as/though he is, he can speak perfect English. Try as/though he may, he still cant pass the exam.,47,4.Satellites allow TV to be broadcast live over vast distance with everyone receiving the same broadcast at the same time. (line

31、19)卫星让远距离直播电视成为可能， 大家在同一时间可以收到相同的电视节目。,with的复合结构,她含着泪说了声“再见” 他开着窗户睡觉。 他低着头站在老师面前。 由于没有可说话的人，约翰感到难受。 自行车被偷了，她只好步行回家。,allow sb to do sth,使成为可能,48,5. The first record players had to be wound up by hand and only played records that were two minutes long. 最早的留声机必须手摇上发条，而且只能播放两分钟的录像。 hand n. 帮助 Could you

32、give/lend me a hand with (= help me to move) the table, please? I think Matthew might need a hand with his maths homework.,49,hand sth. in 上交 Have you handed in your history essay yet? hand sth. out 分发 They stood on the street corner handing out leaflets. hand sth. over 移交 We were ordered to hand ov

33、er our passports. hand sth. down 留下遗产 This necklace was handed down to my mother by my grandmother. hand sth. down （将传统，风俗等）传给后世 a custom handed down through the generations,50,4. They also make TV accessible to people who live far away from cities, and satellites dishes can often be seen distribute

34、d throughout the countryside and remote areas.(line 21) 他们也使远离城市的人们可 以收看电视，在农村和边远地区经常可以看到卫星 天线。 accessible 可使用的，可接近的 distribute散布，分散 whocities 为修饰先行词people的定语从句， distributed用V-ed 分词做后置定语，相当于定语 从句。,51,5. Meanwhile, electrical components eventually became so small that, by the late 1960s, portable cassette players were developed, along with video reco