Living with technology

4.(line 50) this is like a mini cd player but can also record music and is very easy to carry, being very small, as the name “mini” indicates.
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step 5隨堂檢測：

                tv and audio devices: a review
 

tv 

early history *three men, vladimir zworykin, philo farnsworth and john logie baird, were considered to have made the greatest1._______ to the development of tv.
*the first public tv broadcast was made in 2._______ in the usa.
*color broadcasts began in 1951, over 3._______ years after color tv was first shown in 1929.
 

modern age
 
*cable tv began in the usa in 1948.
* 4.________ satellites to broadcast tv began in 1962.
* 5.________ standards for digital tv were set in 1989 and consumers in the usa had access to 200 channels in 1994.
*web tv set-top boxes first came onto the market in 1996, which 6.________ the tv set with the internet.

audio devices 
early history *thomas edison 7.________ a human voice in 1877 for the first time
*emile berliner invented  the first record player in 1887.
*the first lps were made 8._____ in 1958.
 
tape recorders and players  *the first tape recorders, which could record and play sounds on a tape, were made in 9._______ in 1931.
*the transistor was invented by three americans in 1948.two young japanese engineers bought the 10.________ and created the transistor radio.
*11._______ saw the birth of cassette recorders.
*the walkman was introduced in 1979.
 
12.______ technology *the first cds came onto the market in 1982.the next new development was the md player.
*mp3 technology was first 13.________ by germans in 1987. thanks to the popularity of mp3 players, a lot of music websites offerings mp3 music 14.________ all over the internet
step 6課后學習：
1. 復習鞏固本課時講義重要內容, 熟讀課文。
2. 劃出課文中短語。
學習感悟：
1. 我學會了：________________________________________________________________
2. 我的困惑是(還有哪些不理解的地方)：_________________________________________

m7 unit 1   living with technology
welcome to the unit and reading
keys:
fast reading
1.on the display boards at a media and technology exhibition.
2.the development of tv and radio devices.

step 1 reading the development of tv
follow the chronological order (in order of time)