2024年人教版中考英语话题复习 主题十二　宇宙探秘与航天事业发展

2024年人教版中考英语话题复习 主题十二　宇宙探秘与航天事业发展 主题语篇精练 Ⅰ.阅读理解 　　①Over the last 60 years, many space rockets have flown by, orbited(沿轨道运行) and even landed on the Red Planet. That's why the United States, China and other countries want to send people to Mars. But surviving this trip would not be easy. 　　②Astronauts would face dangers both getting to and surviving on Mars. What would it take to keep people safe and healthy on a trip to Mars? Although the trip may be many years later, scientists are already working on it. 　　③ ▲ Mars is about 225 million kilometers away, so it would take astronauts at least six months to reach there. However, it only takes a few days to get to the moon. 　　④While space travel is never free of danger, it takes a lot more health risks to travel in space for a long time. For one thing, staying in space for long periods makes the human body weak. Also, it puts pressure behind the eyes and causes eye problems. But gravity(重力) machines could help. 　　⑤Then there's space radiation(辐射) to worry about. It might raise the risk of health problems, especially for astronauts who will have long journeys. Scientists are working out the problems. They have checked about if taking certain vitamins is helpful. 　　⑥Astronauts will have to take little to see off from the Earth. And they won't be able to get things they need like astronauts on the space station do. Astronauts on the space station practice for this by growing lettuce and other food in space. Engineers are developing 3D printing techniques which could allow future Mars astronauts to build tools as needed. 1. The journey to Mars is NOT . (　　) A. dangerous　 B. difficult C. relaxing D. meaningful 2. How long does it take astronauts to reach the moon? (　　) A. A few weeks. B. A few months. C. A few days. D. A few hours. 3. Which of the following sentences should be put in the ▲ ? (　　) A. We have never been to the space for such a long time. B.A trip to Mars would be the farthest journey in h