For questions 1-8, read the text below and decide which answer (А, В, C or D) best fits each gap. There is an example at the beginning (0).
Today we all know that we live on a planet that roughly 0_____ a sphere. But has it always been so? Since the 1 of human history people have shown curiousity 2 what kind of land they lived on. For centuries it was believed that the Earth was flat as a 3 . Certain theories depicted Earth 4 a piece of land supported by three elephants, carried through space on the back of an enormous turtle. There were other, even more ridiculous concepts.
Aristotle was the first to propose and prove the theory of Earth 5 spherically shaped. He noticed that as one moves forward, new objects appear on the horizon in front of you. Another important 6 he had made was how certain constellations could only be seen from particular parts of the world. This theory was later developed further by Eratosthenes, a Greek mathematician.
7 science has advanced tremendously since then, there are still people who believe that the Earth is flat. As the Internet became widely 8 , it enabled people to share and spread their views, which lead to popularising the pseudo-scientific idea of flat Earth.