内容正文:
Unit 4 Space Exploration
Reading and Thinking
Ⅰ. 根据语境写出正确的单词
1. a famous _________ 一位著名的宇航员
2. the selection _________ 选择过程
3. ______and physical training 身心训练
4. an _________answer 一个聪明的回答
5. the secrets of the ________ 宇宙的秘密
6. escape Earth’s _______ 摆脱地球的引力
7. make _______to carry people 制造载人的交通工具
astronaut
procedure
mental
intelligent
universe
gravity
vehicles
8. _________to be a explorer 决定做一个探索者
9. the Sputnik _______ “旅伴一号”卫星
10. ______the satellite 发射卫星
11. _____around Earth 绕地球运转
12. America’s NASA space ______ 美国宇航局太空总署
13. transmit ____ 传输数据
determine
satellite
launch
orbit
agency
data
14. the ______to explore the universe 探索宇宙的欲望
15. Shenzhou 5 _________ 神舟五号飞船
16. the first Chinese _________ 中国首次太空行走
17. operate _____________ 独立运作
18. ______one step further 标志着更进一步
desire
spacecraft
spacewalk
independently
signal
Ⅱ. 根据语境用恰当的介、副词填空
1. They make vehicles to carry brave people into space to find ___the secrets of
the universe.
2. The USSR focused ___sending p