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19. 说近100年最important的invention之一
①worldwide connection possible; ②promote development of science & technology; ③provide entertainment.
The most important invention in the recent century would definitely be the internet, which has changed our life so tremendously. First of all, it makes the worldwide connection possible so that it can help human beings to work much more conveniently and efficiently. In addition, it has greatly promoted the development of science and technology by a number of websites and databases of information. Besides, it can provide people with entertainment, such as watching movie, chatting room and even shopping. So the internet is really an amazing invention.