Ⅰ.单词拼写
1．As the saying goes “Mystery creates wonder and wonder is the basis of man's desire(渴望) to understand it.”
2．He put down the election procedure(程序) for astronauts on the blackboard.
3．It is known that Yang Liwei is a famous astronaut(宇航员) in China.
4．They had to do a lot of mental(精神的) and physical training before being sent into space.
5．He must be intelligent(聪明的) enough to be admitted into the key university.
6．Now the country has succeeded in making rockets that could escape Earth's gravity(重力)．
7．Unfortunately astronauts on America's Challenger died during the launch(发射)．
8．He was very disappointed(失望的) at the news that his parents can't see him off at the airport.
9．He reads English words every morning since he has been determined(下定决心的) to learn English well.
10．He has lived and learned independently(独立地) at abroad since he was 16 years old.
