江苏省盐城市时杨中学 2014 高中英语 Unit1 Reading 导学案 1 外研版选修 7【学习目标】1.Students will be able to read an article from a book about the evolution of video and sound devices;2.Students will be able to know the reading strategy—understanding headings;【问题情境】I. Read the text fast and then answer the following questions.1.Who developed the s ystem used for most early TV broadcasts?_____________________________________________________2.Who made the first recording of a human voice?_____________________________________________________3.What were developed by the late 1960s?_____________________________________________________【我的疑问】【自主探究】Read the sentences below and decide whether they are true(T) or false(F) according to the article. 1. Color TV became popular within just a fe w years after it was invented. ( )2. People without satellite dishes do not benefit at all from satellite TV broadcasts. ( )3. Some of the first tape re corders 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 New technology will soon make many of the things talked about in the article out of date. ( )【课堂检测】备 注根据课文内容填空:(每空限填一词)Early history of TV In 1925, the first public TV broadcasts were made in the USA. In 1928, the first long-distance TV broadcasts was made between the UK and the USA. Regular public TV broadcasting started on 11 May 1928 in New York and on 20 August 1929 in London. The first color TV was made in 1928, but it took a(n) (1)_________ for the first color TV program to be broadcast. In 1951, regular color TV broadcasts began in the USA.The modern age: satellite TV In 1962, satellites were put to (2) ________ in ...