1、SPACE：THE FINAL FRONTIER“Are we alone? Whats out there？”1(look) up at the stars，people havealways wanted to learn more about space，and scientists work hard2(find) answers.They make vehicles3(carry) brave people into space to find out the secrets of theuniverse. They also4(real) wish to discover othe
2、r planets that are suitable enough5support life.Before the mid-20th century，most people felt6(travel) into space was animpossible dream. However，some scientists were7(determine) to help humansrealise their dream to explore space. After many experiments ， they succeeded8making rockets9could escape Ea
3、rths gravity.104 October 1957，theSputnik 1 satellite11(launch) by the USSR and12(successful) orbited aroundEarth.Afterwards， the USSR focused13sending people into space， and on 12April1961，Yuri Gagarin became the first person in the world14(go) into space. Overeight years later，on 20 July 1969，Ameri
4、can astronaut Neil Armstrong stepped onto themoon，famously saying，“Thats one small step for a man，one giant leap for mankind.”Following this，many more goals were achieved. For example，Americas NASA spaceagency launched Voyager 1 on 5 September 1977 to study deep space，and it still transmitsdata toda
5、y.Although scientists try to make sure nothing goes wrong，accidents can still happen.Allthe astronauts on the USSRs Soyuz 11 and Americas Challenger died during theirmissions.These disasters made everyone sad and15(disappoint)，but the desire toexplore the universe never died. This is because people
6、believe in the importance of16(carry) on space exploration despite the huge risks. An example of this ongoing work is theInternational Space Station. It orbits Earth and has astronauts from different countries onboard，17(provide) a continuous human presence in space.Chinas space programme started18(
7、late) than those of Russia and the US， butit has made great progress in a short time. China became19third country in theworld to20(independent) send humans into space in 2003，when Yang Liwei21(successful) orbited Earth in the Shenzhou 5 spacecraft. Then Shenzhou 6 and7 completed a second manned orbi
8、t and the first Chinese spacewalk，followed by the vehicleJade Rabbit being sent to the moon to study its surface. After that，China launched theTiangong 2 space lab into space and Tianzhou 1 to dock with it. This signalled one step22(far) in Chinas plan to establish a space station in the future. Mor
9、e23(recent)，China has sent Change 424(explore) the surface of the far side of themoon to make measurements and observations.The future of space exploration remains bright. Europe，the US，and China all haveplans to25(far) study and explore planets like Mars and Jupiter. Despite thedifficulties， scient
10、ists hope future discoveries will not only enable us26(understand)how the universe began，but also help us survive well into the future.Keys:1. Looking2. to find3. to carry4. really5. to6. travelling/traveling7. determined8. in9. that/which10. On11. was launched12. successfully13. on14. to go15. disappointed16. carrying17. providing18. later19. the20. independently21. successfully22. further23. recently24. to explore25. further26. to understand
