高二英语M7U1_Reading.ppt

Unit 1 reading The evolution of video and sound devices Careful reading: Part one: TV shortly afterwards contribute to system primitive drawbacks make some important breakthroughs principle(s) construct decade(s） delay 11. the modern age satellite TV be broadcast live over vast distances make TV accessible to sb satellite dishes distribute remote areas a small percentage of sth/sb benefit from local TV companies broadcast signals satellite receivers Part Two: invention the recorder player round tubes discs alternative be wound up times surely have changed! the tape recorders employ steel tape meanwhile electrical components eventually 13. portable cassette players 14. video players 15. be made available 16. store and play music 17. traditional 18. standard 19. go digital 20. portable storage 21. make sth the past 22. keep pace with 23. foresee Language points Sum-up The ____ public TV broadcasts were made in Three years ______, there was long-distance TV broadcast ______ by regular public broadcasting first in New York and in the next year in London. Many people ______ to the development of TV. John Baird _______ the first color TV in 1928. But it was not until 1938 that the first color TV programme was_________. Satellites were used to broadcast Tv in 1962, and now many people get information from satellite TV. The ________ of sound and recorders started with Thomas Edison’s first _____of a human voice, and then moved on different kind of tape recorders, and the first CDs were made ______ in the 1980s. Soon DVDs and TVs will become the past things. Who can forsee what the future will bring? Word study However, his system was very primitive and had many drawbacks.(line 8) A. disagreements 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)