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课件网) WELCOME M3U4 SPACE EXPLORATION Elon Musk’s Plan to Colonize Mars Because Earth-Mars synchronization (轨道同步) happens roughly _____, there is an opportunity to fly to Mars. SpaceX plans to send_____cargo ships(货运飞船) to Mars in 2022. If that proves successful, in 2024, they want to fly _____ ships, two of which would be crewed, and the other two will be cargo ships. every two years two four With six ships, they would have plenty of loaded mass to construct the propellant depot (推进器能源库)， which would consist of large array of (大批) of solar pannels. Then they have to _____ (采矿)and _____ (净化)water and draw the _____ out of the atmosphere， and then create and store deep cryo(冷沉淀) CH4 and O2. mine refine CO2 Then they will build up the base with one ship, then multiple ships, then start building up the city. gravity frontier vehicle universe transmit data satellite launch orbit astronaut n. 重力；引力 n. 边境；国界；边远地区 n. 交通工具；车辆 n. 宇宙；天地万物 n. 资料，数据 n. 人造卫星；卫星 vt. & n. 发射；发起；上市 n. 轨道，势力范围 vt. & vi. 沿/环绕轨道运行 n.宇航员 vt. & vi. 传输；发送 Words Aid the USSR Sputnik 1 Voyager 1 spacecraft Challenger Jade Rabbit dock signal the International Space Station n.苏联 n. 旅伴一号 n. 旅行者一号 n. 航天器；宇宙飞船 n. 挑战者号 n. 玉兔 vt.&vi (两架航天器)对接;使……进港 n. 码头；船坞 vt. & vi. 标志着；标明；发信号 n. 信号；标志 国际空间站 Activity 1: Several sentences have been removed from the text. Choose the correct sentence (A — D) to fill each gap. A. Although scientists try to make sure nothing goes wrong, accidents can still happen. B. They also really wish to discover other planets that are suitable enough to support life. C. The future of space exploration remains bright. D. After many experiments, they succeeded in making rockets that could escape Earth’s gravity. Part of a list of details A sequence word—a detail from the middle of a narrative A&C: general statements—topic sentences A&C: Space: the Final Frontier ① the border of a country ② a remote area That’s one small step for [a] man, one giant leap for mankind. -- Neil Armstrong Apollo 11 Moon Landing “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 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 Para 1 : Humans have always had a natural curiosity about space. 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 a ... ...
