浙江省桐庐分水高级中学高二英语教学课件：Unit1 Reading.pptVIP

Unit 1 Reading TV and audio devices: a review A brief review of what has been taught last time The development of TV has undergone several stages, from the first wireless TV transmission till cable TV, satellite TV and digital TV, and now it is still developing gradually into new forms that is completely new to us The history of audio devices began in 1877. Then the first record player was invented. In 1931, the first tape recorder was made. In the following years, cassette recorders, walkman as well as CD came onto the market. And now audio devices are largely digitalized and developing much more quickly than can be imagined. Read the text again to finish part C1 on page 4 Thomas 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. Transistor technology was first used to receive radio programs, and then to develop cassette recorders. CDs were invented about ten years before the MD player was invented. MP3 technology began in Germany in 1987. Arrange the following sentences in the order of time First recording of a human voice was made. Cable TV began in the USA; 3 American scientists invented the transistor. International standards for digital TV were established. First public showings of wireless TV transmissions were made in the USA. First web TV set-top boxes came onto the market. First CDs produced by using digital technology were made available. Development of MP3 technology started in Germany. Satellites began to be used to broadcast TV. Invention of transistor led to the development of cassette recorders. Color broadcast began in the USA. First LPs came onto the market. Development of MD player began. Language points Shortly after=short afterwards Shortly after I came here, he fell asleep. Kobe Bryant came back to the court shortly after his injury but his team was unluckily ousted by Dallas Ma