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Neil Armstrong was the first person (1)                     on the moon. He was born inOhio on August 5,1930. While he was in college, he left to serve in the U.S. Navy. He flew planes during the Korean War. Then he came back to college and finished the degree he (2)            . He later (3)         a master’s degree too.       Armstrong became an astronaut in 1962. He was the commander of Gemini 8 in 1966. Neil Armstrong (4)                 the first successful connection of two vehicles in space.       Armstrong’s second flight was Apollo 11in 1969, and he was the mission commander. He flew with Buzz Aldrin and Michael Collins. Armstrong and Aldrin landed on the moon in a lunar module named “Eagle”. With more than half a billion people (5)              on television, Armstrong (6)                         the ladder and said,“That’s one small step for a man, one giant leap for mankind.” and Aldrin (7)                him shortly. They explored the surface for two and a half hours, collecting samples and taking photographs.       They left behind an American flag, and a plaque reading, “Here men from the planet Earth first (8)  upon the moon. July 1969 A. D. We came in (9)                   for all mankind.”       After almost a day, they blasted off. They docked with Collins in (10)              around the moon. All three then flew back to the Earth.

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Fill in the blank with a suitable word in the box.       Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1)                          of manned and unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2)                         until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)                     the table, aquestion has often been asked: “Why should we spend money on NASA while there are so (4)                          problems here on Earth?” However, this might be partially wrong since exploring the unknown may help us progress.       The advantages of space exploration include the materials (5)                           can be obtained from outer space. For instance, asteroids have iron and nickel which could be utilized to satisfy the (6)                for metal. Therefore, numerous commercial companies have invested in developing technology for asteroid mining. Several comets and asteroids (7)                     solid water in them. This water can be used for astronauts and scientists in space stations. The water can also be broken down to hydrogen which can be used as (8)                   for the rockets. Scientists also believe that dinosaurs disappeared because they couldn’t go to (9)              planet. Sooner or later a killer comet will again cross Earth’s path, threatening all life. Fortunately, (10)                          we have knowledge about comets and space science, we will be able to survive.

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