A) 1was Sikorsky Igor Ivanovich a wellknown aircraft engineer and manufacturer. 2was igor the first to make experiments in helicopter design. 3 did Sikorsky become an American citizen in 1928. 4 did tupolev work as the head of design bureau. b)where was sikorsky born. where did igor produce the first successful helicopter. when was tupolev born. what did tupolev design. c)did sikorsky or tupolev design the first russian wind tunnel. d)During his career he directed the design of more than 100 military and commercial aircraft, including the TU-2 and TU-4 bombers used in the World War II, didn't he
1. The iron is a metal 2. The milk comes from the cow. 3. We eat soup with the spoon. 4. The bread is made of the flour. 5. I wear a raincoat in the autumn and fur coat in the winter. 6. I went to France last year, but I haven’t been to Netherlands yet 7. I live in the Tverskaya Street. 8. The Thames flows through the London. 9. The United Kingdom includes the Great Britain and Northern Ireland. 10. My train leaves from the waterloo station at 7.10 p. m. 11. St. Bernard dogs are named after a monastery high up in the Alps. 12. The Queen Elizabeth II won’t speak on TV tomorrow. 13. The USA is a fourth largest country in a world after the Russia, Canada and Republic of China
Объяснение:
tennis
basketball
hockey
volleyball
swimming
skiing
skateboarding
cycling
horse riding
jogging