3 . ___________(explore) the universe, you must first understand the solar system and our globe. Besides, you have to know about rockets, satellites, spacecraft, gravity and so on. (所给词的适当形式填空)

6 . 汉译英
1. make________组成
2. two ________ advantages of……的两个主要好处
3. ________把……和……连接或联结起来
be joined ________被连接到……；被加在……中
4. if________若有的话
5. solve this________解开这个谜题
6. the ________ country of Wales邻国威尔士
7. ________脱离；背叛
8. result ________导致
9. _________被称为（refer to…as…称……为……）
10. ________属于
11. _________同（一样也）；和；还
12. share the same currency and military ________拥有同样的货币和军事防御
13. education systems and ________ systems教育体系和法律体系
14. have a long and interesting history ________（explore）有一段漫长而有趣的历史去探索
15. _________被……包围

9 . 我们不仅获得了快乐和有关自然世界的知识，而且我们都充满好奇心地探索我们周围的环境。
We not only gained recreation and relevant knowledge about the natural world but we all _________

10 . 除此之外，中国的天文学家已经建造了世界上最大的天文望远镜，这对于探索宇宙的起源有重要意义。(非限制性定语从句)
________________, Chinese astronomers have built the world’s largest astronomical telescope, ________________.