内容正文:
选择性必修三Unit 2 Why we explore
重要短语
1. make breakthroughs in 在...中做出突破
2. space exploration 太空探索
3. the first man to journey into outer space 第一个在外太空旅行的人
4. come to an end 结束
5. due to the absence of gravity 由于失重
6. attach...to... 把...固定在...
7. with no pressure against our back 背部没有压力
8. be extremely rewarding 极其有意义
9. carry out/ conduct scientific research 进行科学研究
10. work on 致力于.../忙于...
11. locate and track lightning 定位并追踪闪电
12. take place 发生
13. put on 穿上/ 上演/ 增加
14. protect us from exposure to the radiation 保护我们免受辐射的伤害
15. take pills 吃药
16. be of vital importance/ be vitally important to 对...至关重要
17. discipline oneself to do 严格要求自己去做...
18. at a speed of 以...的速度
19. be worth (doing) sth 值得(做)...
20. set up permanent bases 建立永久的基地
21. there is no such thing as... 没有...这样的事
22. be glued to 被粘在.../盯着...
23. starry sky 布满星星的天空
24. play a crucial role in 在...中扮演关键角色
25. planets orbiting other stars 围绕其他恒星运行的行星
26. This is clearly not the case 实际情况显然不是这样
27. a waste of the public purse 浪费政府经费
28. enhance the quality of our lives 提高我们的生活质量
29. our curiosity about the unknown 我们对于未知事物的好奇心
30. motivate sb to do 激励某人做某事
31. make contributions to an understanding of 对...的理解做出贡献
32. address fundamental questions about 处理关于...的基本问题
33. cities with a high frequency of earthquakes 地震频发的城市
34. long/desire/have a thirst to do/ for sth 渴望做某事/渴望得到某物
35. make sense of 理解,认清
36. be fascinated by 被...迷住
37. give sb insights into 使...了解
38. be mass-produced and launched 被批量生产并投入市场
39. a strong motive for 一个强有力的动机
40. demand huge investment 需要巨额投资
41. It has been calculated that 据估计
42. go far beyond 远超出
43. receive widespread media coverage 被媒体广泛报道
44. be incredibly inspiring 极其鼓舞人心的
45. keep our thirst for knowledge alive 使我们始终抱持对知识的渴望
46. exposure to high levels of radiation 暴露于高强度的辐射中
47. increase the r