Ⅱ.补全信息
选择正确选项填入空白处，补全所给句子提供的信息：
A．to look up at the stars
B．to learn more about space
C．to find out the secrets of the universe
D．to understand the origin of universe
E．to orbit Earth successfully
F．to make measurements and observations
1．The scientists make vehicles to carry brave people into space ．
2．The scientists hope future discoveries will enable us ．
3．Now many scientists work hard ．
4．Scientists wish and further study and explore the space.
5．The Sputnik 1 satellite was launched by the USSR on 4 October 1957.
6．More recently，China has sent Chang'e 4 to explore the surface of the far side of the moon ．
[答案] 1－6 CDBAEF
