5reasons of my having come to the 10-th form в двух словах! например: 1) не определился с будущей профессией. на ,

there are some good reasons which made me come to the 10th form. firstly, i haven't made up my mind yet what profession to choose. now there are two years before i leave school to think over my future career. secondly, i would like to get further education in an institute or a university, so i will have to pass the state exams. i am sure my school will provide me with all necessary knowledge to pass the exams successfully. and last but not least, my friends and my teachers are those who make my life happier and more exciting. i am not ready to leave them now.

Yesterday my mum, dad and i _went__ ( to go) to covent garden.while my parents _were to shop), i _was watching__ ( to watch) the street actors' performance. the performance was great! the pantomime actors and the jugglers _were   entertaining__ ( to entertain) the people around for two hours. while one man in a bright cap _was playing__ ( play) the violine, the juggler _was juggling__ ( to juggle) six big balls and the pantomime actor __was standing__ ( to stand) like a statue. the people _were laughing__ ( laugh) while the clowns _were ( to do) silly things. when my parents __arrived__ ( to arrive), one of the actors _was showing__ ( to show) tricks. we __left_ ( to leave) the performance while the people around _were singing__ ( to sing) together with the street actors.

At the height of the cold war, the united states wanted to have a network that could survive even a nuclear war. used while the telephone network does not provide adequate stability (loss of only one large unit can divide the network into isolated areas). to solve the problem, the ministry of defense has asked the corporation rand. one of its employees, paul baran, drafted a distributed network. due to the fact that at very large distances difficult to transmit the analog signal without distortion , it is suggested to transmit digital data packets. pentagon liked his ideas, and he turned to the telephone company at & t. at & t rejected the idea berena, saying that such a network can not be built. october 4, 1957 the soviet union launches the first artificial earth satellite, thereby obtaining an advantage in space. in the united states decided that the money allocated by the pentagon for research go to waste. it was decided to create a single scientific organization under the auspices of the ministry of defence - arpa (advanced research projects agency), which would be picked from universities and organizations offered the most promising projects and contracts on them. over time, the attention of the director larry roberts attracted arpa computer network. intrigued by the idea of an expert wesley clark on the packet-switched network, he spoke at a symposium acm sigops with a report relating to this, in 1967. at the same symposium was presented a similar, but realized at the national physical laboratory in england system. its implementation has shown that packet switching can be applied in practice. director of arpa went there with the intention of creating a similar in americа