2010年西北工业大学考博英语真题

A. delivered

B. relieved

C. sent

D. brought

19. The distance from the Earth to the spacecraft is often determined very accurately from the time _______ between two radio signals.

A. interaction

B. alternative

C. interference

D. interval

20. Finding himself trapped in the Death Valley, he had a sudden feeling of _______.

A. despair

B. desperate

C. frightened

D. dreadful

21. In a time of social reform, people’s state of mind tends to keep pace with the rapid changes of society.

A. take step

B. match up

C. keep in touch
D. make progress

小编推荐：

历年西北工业大学考博英语真题汇总

>>点击注册会员，享更多英语考试相关资料

素材来源：网络