С! нужно с этого текста выбрать главное и своё дополнить ещё и плюсы минусы этих космических путешествий

From ancient times people dreamed to depart to space unknown to them. for this purpose, a century after a century many scientists and not only, dreamed to make flight in a space. and only in the middle of the twentieth century there came an era of astronautics, having begun with start into a circumterraneous orbit of the first artificial satellite. it was only the first step. after that the astronautics started to develop unprecedented rates therefore in only some years in space the first live beings – dogs belka and strelka were sent already. the spacecraft with animals onboard safely returned to earth. both dogs felt perfectly. it from them left after herself numerous posterity. but weeds belka and strelka was only dress rehearsal of flight in space of the person. on april 12, 1961 the first person went to space. it was our compatriot – yury alekseevich gagarin. the whole world remembered his words said by it before flight: let's roll ! gagarinsky flight moved heaven and earth, gave hope to people on the future. gagarin and his followers during rather short period of time turned a space into a usual workplace

1. mum: victor? kenneth? what’s all that shouting about? what are you doing? 2. victor: ken’s playing with my game-boy! give it back to me! 3. kenneth: it’s not your game-boy, vic! it’s mine! mum: so whose game-boy is this one under the table? 4. kenneth: oh! sorry, vic. this one belongs to you i must have dropped it there.mum: anyway, didn’t you two want to go surfing on the internet this afternoon with chris and bonzo? 5.kenneth: no, they’re no friends of ours! mum: well, i saw their mother at the supermarket this morning. she said you two had invited them to come round here after school to try out your new computer.victor: are you sure it was chris and bonzo’s mother? mrs brown from number 193? 6. mum: of course i’m sure. i spoke to her.7. kenneth: we didn’t invite them, mum. they must have invited us! 8. mum: what’s wrong? don’t you like them? i thought all the boys and girls in your class liked them.9. victor: most of us do, mum, and bonzo is ok. but nobody likes chris brown much.