问题
单项选择题
通过轰击原子核以释放中子所用的粒子是（）
A、α粒子
B、质子
C、γ光子
D、氘核
E、以上都是
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
通过轰击原子核以释放中子所用的粒子是（）
A、α粒子
B、质子
C、γ光子
D、氘核
E、以上都是
参考答案：E
| 阅读理解。 | |||||
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