Ⅰ. 单词拼写
1. Once upon a time they were driven to the northern frontier(边境).
2. The driver managed to escape from the vehicle(车辆)and shouted for help.
3. There was nothing yet for the satellite(卫星)cameras to pick up.
4. As we all know, the earth is in orbit(轨道)around the sun.
5. The young people should make a greater contribution to mankind(人类).
6. If you lose these data(资料), I’ll never forgive you.
7. Soviet rockets have launched (发射)more satellites into orbit in the past few years.
8. He was without question one of the giants(伟人) of Japanese literature.
9. There is an ongoing (进行中的)discussion within the party about this.
10. The United States may soon have a manned spacecraft (航天器)on Mars.
