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(1. 要求的三個內容都寫到了嗎? 2. 是否有語法錯誤? ) (單元綜合運用 ) A Brief Introduction to the TV Set _________________________________________________________________________________________________________ _______________________________ (單元綜合運用 ) The first TV set was invented by Baird in the UK in 1824. An early version of the TV set looked like a wooden box. It was black and white at first. Nowadays, almost every family has a TV set. The TV sets are very useful and necessary. (單元綜合運用 ) First, it provides us another way to kill our spare time. If you have a lot of spare time and you don’t want to go out, you can watch films, ball games or listen to music on TV. Second, we can learn a lot by watching some meaningful TV programs. There are some useful TV programs on TV. (單元綜合運用 ) These programs are about culture, history,language, science and so on. They are lively and interesting. Third, we can know more about our world through news on TV. We can know about the things happening in the world by watching the n