Fill in the Blanks Unit 7 Reading Vocabulary Online version Complete the sentence by Şehriban Dündar 1 discusses celebrate float up reasons engineers program brilliant machines models sinking describe drawings history engines huge aim grew invented Learning about Air and Space The Smithsonian National Air and Space Museum is a great place to visit . It contains many airplanes and spaceships that show the of air and space travel . Some exhibits the lives of famous . Others explain how airplane and rocket work , and you can also learn about other . The museum has many interesting and photographs . There are also that visitors can touch and examine . The museum often organizes new exhibits . For example , a recent exhibit explained how the hot air balloon was . It explained how hot air balloons gracefully through the air without back to Earth . The museum is located in Washington , D . C . The Amazing Work of Alan Turing Alan Turing was a mathematician and computer scientist . He was born in 1912 , and he in London , where he lived for most of his life . Today , he is famous for developing an important computer that helped the British government in World War II . The of the technology was to understand secret codes sent by a machine called ENIGMA . By breaking the codes , Turing helped end the war . This work saved millions of lives . It also had a impact on the development of future computers . The film The Imitation Game Turing's life and work , and it explains the many we should this amazing inventor .
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