单选题
The passage indicates that, in comparison to radio waves, gamma waves ______.
【正确答案】
A
【答案解析】[分析] 本题考查根据上下文对句意的理解。参看第二段第一句“...high-energy gamma radiation,a form of electromagnetic radiation like light and radio waves,only very much shorter wavelength高能伽玛辐射,是一种像光和无线电波似的电磁辐射,只是波长短得多…”,可知答案应为A。其他选项文章均未提及。