Unit 4 Reading and Thinking 课件-2022-2023学年高中英语人教版（2019）必修第三册

Book 3 Unit 4 Reading and Thinking SPACE: THE FINAL FRONTIER First read the passage and choose the correct sentence (A-D) to fill in each gap. Space: The Final Frontier “Are we alone? What's out there?” Looking up at the stars, people have always wanted to explore and learn about space, and scientists work hard to find answers. They make vehicles to carry brave people into space to find out the secrets of the universe. _______________________ ___________________________________________________________________. They also really wish to discover other planets that are suitable enough to support life. Para. 1 : The reasons for space exploration Before the mid-20th century, most people felt travelling in space was an impossible dream. However, some scientists were determined to help humans realise their dream to explore space . _________________ ____________________________________________________________________ . ..., and it still transmits data today. Para.2:Earlier achievements in space exploration After many experiments, they succeeded in making rockets that could escape Earth's gravity. What are the great achievements? after mid-20th century （ ） （ ） （ ） （ ） Rocket Sputnik 1 Yuri Gagarin Neil Armstrong Voyager 1 1957 1961 1969 1977 rocket(1920-) man-made satellite(1957-1977) manned mission ＞30 years 8 years Voyager 1 Sputnik 1 Yuri Gagarin 1961 Neil Armstrong 1969 ___________________________________________________________________________________________________________________________. All the astronauts on the USSR's Soyuz 11 and America's Challenger died during their missions. These disasters made everyone sad and disappointed, but the desire to explore the universe never died. This is because sci