1 de junio de 2009
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Since computers were first introduced to the public in the early 1980's, technology_________ (change) a great deal. The first computers _____(be) simple machines designed for basic tasks. They___________ (not do) much memory and they________ (be, not) very powerful. Early computers were often quite expensive and customers often______ (pay) thousands of dollars for machines which actually____ (do) very little. Most computers___(be) separate, individual machines used mostly as expensive typewriters or for playing games.
Times_______(change). Computers______ (become)powerful machines with very practical applications. Programmers_______ (create) a large selection of useful programs which do everything from teaching foreign languages to bookkeeping. We are still playing video games, but today's games ________(become) faster, more exciting interactive adventures. Many computer users___________ (get, also) on the Internet and__________ (begin) communicating with other computer users around the world. We_____________ (start) to create international communities online. In short, the simple, individual machines of the past____________ (evolve) into an international World Wide Web of knowledge. (To check your results, send an e-mail to beyond_english@hotmail.com)
Hi! I liked very much the video and i´d like to download it. could it be possible?...
ResponderEliminaragain, excellent video..
mary