After reading Philip Morrison’s paper on gamma-ray astronomy in 1959, a fellow physicist was prompted to ask, "Wouldn’t using ga

admin2011-03-26  37

问题 After reading Philip Morrison’s paper on gamma-ray astronomy in 1959, a fellow physicist was prompted to ask, "Wouldn’t using gamma-rays be a good way to communicate across the galaxy?"

选项 A、petitioned
B、cautioned
C、motivated
D、requested

答案C

解析
转载请注明原文地址:https://jikaoti.com/ti/v3XYFFFM
0

随机试题
最新回复(0)