第一部分 英语知识运用(共两节，满分45分)
第一节 单项填空(共15小题；每小题1分，满分15分)
从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. Exploring ________space is exciting, yet dangerous. There is ________need for both robots and humans for space exploration.
A. the; a B. a; a C. /; a D. /; the
2. Scientific research results can now be quickly ________ to factory production.
A．used B．applied
C．tried D．practiced
