Unit 4 Space Exploration Space The Final Frontier Language Points 课件-2021-2022学年高中英语人教版必修第三册

Space: The Final Frontier Language Points Para1 “Are we alone? What's out there? " Looking up at the stars, people have always wanted to learn more about space, and scientists work hard to find answers. They also really wish to discover other planets that are suitable enough to support life. Para 2 Before the mid-20th century, most people felt travelling into space was an impossible dream. However, some scientists were determined to help humans realise their dream to explore space. After many experiments, they succeeded in making rockets that could escape Earth’s gravity. On 4 October 1957, the Sputnik 1 satellite was launched by the USSR and successfully orbited around Earth. Afterwards, the USSR focused on sending people into space, and on 12 April,1961, Yuri Gagarin became the first person in the world to go into space. Para 3 Although scientists try to make sure nothing goes wrong, accidents can still happen. All the astronauts on the USSR'S Soyuz 11 and Americas Challenger died during their missions. These disasters made everyone sad and disappointed, but the desire to explore the universe never died. This is because people believe in the importance of carrying on space exploration despite the huge risks. An example of this ongoing work is the International Space Station. It orbits Earth and has astronauts from different countries on board providing a continuous human presence in space. Para4 China's space programme started later than those of Russia and the US, but it has made great progress in a short time. China became the third country in the world to independently send humans into space in 2003, when Yang Liwei successfully orbited Earth in the Shenzhou 5 spacecraft. Then Shenzhou 6 and 7 completed a second manned orbit and the first Chinese spacewalk, followed by the vehicle Jade Rabbit being sent to the moon to study its surface. Para 5 The future of space exporation remains bright. Europe, the US, and China all have plans to further study and explore p