Unit4 Life on Mars拓展提升卷 2024-2025学年牛津译林版九年级英语下册

Unit4 Life on Mars拓展提升卷 一、单项选择（每小题1分，共15分） ( )1. Mars is often called the "Red Planet" due to its ______ soil. A. brown B. red C. yellow D. green ( )2. The first Mars rover ______ to the planet in 2021. A. sends B. sent C. was sent D. is sent ( )3. Astronauts need to ______ regular exercise to prevent muscle loss. A. take B. make C. do D. get ( )4. The ______ on Mars is about 38% of Earth's gravity. A. atmosphere B. pressure C. gravity D. temperature ( )5. The discovery of water on Mars ______ scientists excited. A. made B. let C. caused D. kept ( )6. The ______ of Mars is mainly composed of carbon dioxide. A. surface B. atmosphere C. core D. moon ( )7. Future missions to Mars will require ______ life support systems. A. sustainable B. sustainablely C. sustainability D. sustain ( )8. The ______ of Mars has two small moons: Phobos and Deimos. A. planet B. star C. galaxy D. universe ( )9. The ______ of the Mars rover is to collect samples for analysis. A. task B. job C. work D. duty ( )10. ______ do astronauts need to survive on Mars? A. How B. What C. When D. Where ( )11. The ______ of Mars is approximately 227 million kilometers from the Sun. A. distance B. length C. width D. height ( )12. The ______ of Mars is about half the diameter of Earth. A. size B. shape C. mass D. volume ( )13. The ______ of the Mars mission includes scientific research and technology testing. A. goal B. aim C. purpose D. all of the above ( )14. The ______ of the Mars base will require careful planning. A. construction B. building C. development D. creation ( )15. The ______ of Mars is characterized by extreme temperatures and dust storms. A. environment B. ecosystem C. climate D. weather 二、完形填空（每小题1分，共15分） 阅读下面短文，从各题所给的A、B、C、D四个选项中选出最佳答案。 Mars has long fascinated scientists and the public. Its similarity to Earth 16______ it a potential candidate for human colonization. However, the harsh environment 17______ significant challenges. The lack of a breathable atmosphere and extreme cold require advanced life support systems. 18______, radiation exposure is a major health risk. Despite these obstacles, countries like China and the US are investing in Mars missions. ( )16. A. makes B. makes C. makes D. makes ( )17. A. presents B. presents C. presents D. presents ( )18. A. Additionally B. However C. Therefore D. Otherwise 三、词汇运用（每小题1分，共15分） A) 根据句意，从方框中选择合适的单词或短语填空。 colonize, atmosphere, sustainable, radiation, habitat, simulate, orbit 1. Mars' thin ______ offers little protection from solar radiation. 2. Scientists are developing technology to ______ Earth-like conditions on Mars. 3. The goal of the mission is to ______ Mars within the next decades. 4. The space station orbits Earth in a low ______. 5. The ______ of Mars is inhospitable to humans without protective gear. 6. Growing food on Mars requires ______ farming methods. 7. Astronauts must shield themselves from harmful ______. B) 用括号内所给单词的正确形式填空。 8. The ______ (explore) of Mars has advanced significantly in recent years. 9. The ______ (science) community is optimistic about finding water on Mars. 10. The ______ (develop) of Mars rovers has revolutionized space exploration. 11. The ______ (discover) of organic molecules on Mars excited researchers. 12. The ______ (safe) of astronauts is a top priority in space missions. 13. The ______ (possible) of life on Mars remains a subject of debate. 14. The ______ (construct) of a Mars base will require international cooperation. 15. The ______ (challenging) of living on Mars include isolation and resource scarcity. 四、阅读理解（每小题2分，共40分） 阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳答案。 A The Mars Sample Return mission aims to collect rock samples from Mars and return them to Earth. This will allow scientists to study the planet's geology and potential for past life. The mission involves a rover, lander, and ascent vehicle. It is a collaborative effort between NASA and the European Space Agency. ( )1. What is the purpose of the Mars Sample Return mission? A. To colonize Mars. B. To collect rock samples. C. To build a base. D. To study Earth's climate. ( )2. Which agencies are involved in the mission? A. NASA and ESA. B. China and Russia. C. India and Japan. D. All of the above. B The Perseverance rover is exploring Jezero Crater, a ancient lakebed on Mars. Its main tasks include searching for signs of ancient microbial life and testing technology for future missions. ( )3. Where is Perseverance currently exploring? A. Olympus Mons. B. Valles Marineris. C. Jezero Crater. D. Tharsis Bulge. ( )4. What is Perseverance testing? A. New energy sources. B. Life support systems. C. Technology for future missions. D. Communication devices. C Living on Mars would require artificial gravity to prevent health issues. Scientists are researching centrifugal force to simulate gravity in space stations. ( )5. Why is artificial gravity needed on Mars? A. To reduce radiation exposure. B. To simulate Earth-like conditions. C. To provide oxygen. D. To grow crops. ( )6. How could artificial gravity be created? A. Through centrifugal force. B. By using magnets. C. By adjusting atmospheric pressure. D. By increasing oxygen levels. D The Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) is a device on Perseverance that produces oxygen from Mars' atmosphere. This technology is crucial for future human missions. ( )7. What does MOXIE produce? A. Water. B. Oxygen. C. Food. D. Energy. ( )8. Why is MOXIE important? A. It provides water for astronauts. B. It reduces reliance on Earth resources. C. It generates electricity. D. It cleans the atmosphere. 五、书面表达（15分） 请以“Life on Mars: Challenges and Opportunities”为题，写一篇不少于80词的短文。 提示： 1. 火星生活的主要挑战（如重力、辐射、资源等）。 2. 科技如何帮助克服这些挑战。 3. 火星探索对人类的意义。 要求： 1. 内容连贯，语法正确。 2. 不得出现真实姓名和校名。 _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 参考答案 一、单项选择 1-5 BCCCA 6-10 BAAAA 11-15 AADAA 二、完形填空 16-18 ABA 三、词汇运用 A) 1. atmosphere 2. simulate 3. colonize 4. orbit 5. habitat 6. sustainable 7. radiation B) 8. exploration 9. scientific 10. development 11. discovery 12. safety 13. possibility 14. construction 15. challenges 四、阅读理解 A: 1-2 BA B: 3-4 CC C: 5-6 BA D: 7-8 BB 五、书面表达（15分） Life on Mars: Challenges and Opportunities Establishing life on Mars presents formidable challenges. The planet's low gravity causes muscle atrophy, while its thin atmosphere offers little protection from harmful radiation. Resource scarcity, including water and breathable air, further complicates human habitation. However, technological innovations provide viable solutions. Advanced life support systems can recycle air and water, while solar panels and nuclear power offer sustainable energy. 3D printing could construct habitats using Martian soil, reducing dependency on Earth materials. Mars exploration symbolizes humanity's spirit of adventure and scientific progress. By overcoming these challenges, we expand our understanding of the universe and secure a potential future for our species. International collaboration in this endeavor reflects our shared commitment to advancing civilization. 学科网（北京）股份有限公司 $$