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在本征半导体中加入(          )元素不能形成P型半导体。

多选题
2022-04-02 17:22
A、<span style="font-size:16px;font-family:楷体_GB2312">五价</span>
B、<span style="font-size:16px;font-family:楷体_GB2312">四价</span>
C、<span style="font-size:16px;font-family:楷体_GB2312">三价</span>
D、<span style="font-size:16px;font-family:楷体_GB2312">无法确定</span>
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正确答案
ABD

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