6. Technology can be used in various fields of A. educate B. education C. educator D. educated
7. Space plays an important role in the development of science.
A. exploration B. exploraty C. explorers D. explore
8. The of steam engine has become a revolution in world’s transportation.
A. invent B. invention C. inventor D. invented
9. There are several aspects that need to be in your project.
A. improvement B. improving C. improved D. improve
10. Our first try on the new medicine was , so we needed to make a lot of changes.
A. successful B. succeed C. unsuccessful D. unsucceed
11. A is a scientist who studies the earth, including the origin and history of the rocks and soil of which the earth is made.
A. geology B. geologist C. geography D. geographic
12. We need evidence to confirm the existence of aliens.
A. science B. scientist C. scientific D. sci-fi
13. The invention of the Internet human’s life.
A. transform B. transformer C. overslept D. sleptover
14. She came to class late today. She .
A. oversleep B. sleepover C. overslept D. sleptover
15. She is going to receive a for her new invention.
A. patent B. certificate C. degree D. lience