宇宙奥秘诱人，遥远距离考验着探索者。请根据所给提示完成单词。
1. The universe is full of m (神秘的) places that attract us.
2. Our s (太阳的) system is just a tiny part of it.
3. The earth's nearest star, Proxima Centauri, is about 40 t (万亿) kilometres away.
4. That distance is b (超出) what our fastest rockets can travel in a human lifetime.
5. It might sound c (疯狂的), but scientists are still trying to find ways to reach it one day.

1. mysterious 点拨:由句意及提示可知空格处填mysterious。mystery n. 神秘事物;奥秘。
2. solar 3. trillion 4. beyond 5. crazy

航天器与探测器为宇宙探索搭建桥梁。请用方框中词的适当形式填空。
billion, galaxy, complete, spacecraft, manned
6. We launch different into space to explore the universe.
7. Voyager 1, for example, has travelled the furthest —about 23.5 kilometres from Earth.
8. For deep-space missions, which are too dangerous for astronauts, we also use space probes(探测器).
9. Thanks to these probes, humans have photographed other .
10. So scientists believe visiting the stars is not a wild dream.

6. spacecraft 7. billion 8. unmanned 9. galaxies
10. completely

推进星际探索，周全准备与合作缺一不可。请
根据汉语意思完成句子。
11.目前,科学家们正在规划更多深空任务。
, scientists are planning more deep-space missions.
12.然而,他们需要做好准备,以防在太空中发生出乎意料的问题。
However, they need to prepare well unexpected problems happen in space.
13.毕竟,航天员与设备必须在航天器上正常工作。
After all, astronauts and equipment must work properly .
14.为使这些任务取得成功,国家也需要彼此合作。
To make these missions successful, countries also need to .
15.最终目标是助力人类踏上更多星球。
The final goal is to help humans more planets.

11. At present 12. in case 13. on board
14. cooperate with each other 15. set foot on

航天的伟大成就
“天问一号”火星探测告捷，彰显中国航天实力。请完成完形填空。
“Tianwen-1” was China’s first home-made Mars rover. Its mission was to 16 the planet and look for signs of life. This was a huge step for China’s space program.
Before the landing, scientists faced many 17. Mars had extreme(极度的) cold, reaching minus 100°C, and signals(信号) took a long time to reach Earth. But the team didn’t 18. They worked patiently and solved all problems.

“Tianwen-1” found 19 evidence (迹象) of water On Mars. This was great news as it could help future humans live on Mars. The rover also took 20 photos of Mars’ landscape, showing rocks and valleys. After the main mission, “Tianwen-1” has continued to work 21 now. This project shows China’s 22 will in space exploration.
The “Tianwen-1” mission also 23 students. Many schools held space-themed (太空主题的) activities to 24 students. Some students made small models of space stations at home. With this success, China will 25 more space projects in the future.
16.() A. change B. develop C. explore D. discover
17.() A. successes B. challenges C. chances D. changes
18.() A. give up B. get up C. stand up D. look up
19.() A. possible B. little C. false D. clear
20.() A. boring B. normal C. amazing D. colourful
21.() A. when B. if C. after D. until
22.() A. soft B. poor C. weak D. strong
23.() A. inspired B. advised C. praised D. controlled
24.() A. stop B. encourage C. ask D. order
25.() A. start B. stop C. cancel D. leave

16 ~20: CBADC 21 ~25: DDABA