Задание 48966 ЕГЭ по английскому языку

Many of Tsiolkovsky’s ideas went on to be used in rocket science and space travel. Like most scientists, though, some of his ideas were considered ______ and were ignored as a result. (PRACTICAL)

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Konstantin Tsiolkovsky was a Russian scientist. He worked during the late 19th and early 20th century on the ______ of theories in rocket science and space flight, and is considered one of the pioneers of astronautics. (DEVELOP)

His work with rockets can be easily seen today. The jet engines that steer rockets in space were developed by Tsiolkovsky, and the airlocks that allow astronauts to enter and exit space were his ______ as well. (INVENT)

Tsiolkovsky often had trouble getting funding for his projects. He was quite ______ for his time, and the Russian science programmes didn’t always believe in his work. (PROGRESS)

In 1903 he published an article which proved that rockets could fly into space. Although it is now a basic ______ principle, no one in his field appreciated the article when it was written. (SCIENCE)