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There is a great number of people who say that flights to space were the greatest development of the previous century. While others claim that exploring the space was not the biggest achievement. In this essay, I will express my point of view on this issue. In my opinion, flights to space were not the greatest achievement of the 20th century. First, costs involved in space exploration are enormous and the money could be spent on more pressing issues. Second, space exploration had no practical use to develop it at that time and now. Undoubtedly, there may be some practical use in the distant future, such as possibly colonizing other planets, but it distracted people from solving more important issues like ecology situation and climate change. Dreaming about colonizing Mars humanity recklessly uses the resources of their own planet.

There is an opinion that you don't need to think about the future at all, because it hasn't come yet, that you need to live "here and now". However, this view is extremely naive. You can't know the future, of course, but you can assume it. And even need to. Otherwise, it becomes unclear how to proceed.

Объяснение:

1) Unknown elect
     Marriage of parents of Lermontov of rich successor M. M. Arsenyeva (1795-1817) and army captain Yu. P. Lermontov (1773-1831) was unsuccessful. The early death of mother and quarrel of the father with grandmother E.A.Arsenyeva hard affected formation of the identity of the poet. Lermontov was brought up at the grandmother in Tarkhana's manor of the Penza province; I got an excellent house education (foreign languages, drawing, music). The romantic cult of the father and the corresponding treatment of the family conflict were reflected later in dramas Menschen und Leidenschaften ("People and passions", 1830), "The strange person" (1831). Are significant for Lermontov's formation and the legend about the legendary founder of his sort the Scottish poet Thomas Lermonte. Trips belong to strong impressions of the childhood to the Caucasus (1820, 1825). With 1827 Lermontov lives in Moscow. It is trained in the Moscow university noble board (September 1828 March, 1830), is later at the Moscow university (September 1830 June, 1832) on moral and political, then verbal office. Lermontov's early poetic attempts testify to hazardous and unsystematic reading preromantic and romantic literature: along with J. G. Byron and A.S. Pushkin for him F.Schiller, V. Hugo, K.N. Batyushkov, philosophical lyrics любомудров are important; in verses the mass of the borrowed lines (fragments) from compositions of the most different authors from M.V.Lomonosova to modern to it poets. Without thinking of itself the professional writer and without seeking to be printed, Lermontov keeps the undercover lyrical diary where strangers, sometimes contrast formulas serve as expression of the intimate truth about the great and not understood soul. Endured in E.A.Sushkova, N.F.Ivanova's 1830-32 hobbies, Century. And. Lopukhina become a material for the corresponding liriko-confessionary cycles where the eternal, tragic conflict is behind concrete circumstances. At the same time there is a work on romantic poems from frankly imitative "Circassians" (1828) to quite professional "Izmail-beya" and "Litvinki" (both 1832), testifying to assimilation of a genre (bayronovsko-Pushkin) canon by Lermontov (exclusiveness of the main character, composition "vershinnost" ", an innuendo" a plot, exotic or historical color). By the beginning of the 1830th the "main" heroes of poetic system of Lermontov, correlated to two different vital and creative strategy, with two treatments of own personality are found: the fallen spirit which consciously damned the world and has chosen the evil (the first edition of the poem "Demon", 1829), and innocent, pure soul the sufferer dreaming of freedom and natural harmony (the poem "Confession", 1831, been a poem "Mtsyri" prototype). Contrast of these treatments doesn't exclude the internal relationship providing an intense antitetichnost of characters of all main lermontovsky characters and complexity of an author's assessment.                                             2) подели на 18 и 14 так надо читать во втором на 18 и 41 и так всегда