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

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

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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
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