题目

下列哪个实验揭示了原子具有核式结构A. 阴极射线实验 B. 光电效应实验C. 粒子轰击氮核实验 D. 粒子散射实验 答案：【答案】D【解析】卢瑟福的α粒子散射实验揭示了原子具有核式结构，故选D.At last the music ________, neither of them moved for a while. A. died out　　  B. died off　　    C. died down　　    D. died away