牛津譯林版高中英語(yǔ)選修七unit1livingwithtechnologyperiodtwo課件1-展示頁(yè)
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【正文】 rder of time, by subtopics or by concepts. TV (In order of time) Audio devices (By types of equipment) Early history of audio devices Tape recorders and players Sound goes digital Early history of TV The modern age: cable TV, satellite TV, digital TV C2: Fill in the form Year Event 1877 First recording of a human voice was made 1925 1929 1938 1962 The first public TV broadcasts were made, in the USA. Regular public broadcasting began in London. The first colour TV programme was broadcast. Satellites were used to broadcast TV. Year Event 1967 1982 1993 1995 Regular colour TV broadcasts began in the UK. The first CDs were made available. The VCD was born. The DVD was invented. Part D: Match these new words from the article with their the correct letters in the blanks. 1e, 2d, 3h, 4c, 5f, 6a, 7b， 8g 1. TV is popular in modern times. so most of us spend a lot of time enjoying a variety of TV programmes every day. What benefit does TV bring us? Does it have bad effect on us? And why? Discussion ? and more people are using puters for information and entertainment. Do you think we will still need books and TVs in the future? Why or why not? ? are the possible disadvantages of having a lot of technology in our lives? First of all, watching TV has the value of giving people plete relaxation. After working hard all day, people can fet the pressures and challenges of work whe n sitting in front of TV. In addition to bei ng relaxing, TV is entertaining. As is kno wn to all, TV offers a variety of movies, sports events and music to satisfy people’s demands. Meanwhile, TV helps to widen our knowledge and view by covering news. However, TV has a bad effect on people, too. For one thing, it is a big time waster. Secondly, TV has killed people’s creativity undoubtedly. While watching TV, people bee receptive and unquestioning. Finally some TV shows are harmful to children, whose mind may be filled with confusing, misleading, and violent ideas. Besides, their valuable time will be wasted. Language points in Reading Find out the meaning of these phrases …… 做出貢獻(xiàn) …… 好；比 …… 強(qiáng) 200個(gè)頻道 ；繞 ；手動(dòng)的
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