N型半导体的多数载流子是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30217' and id < 2444147 and id<>'2444147' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30217' and id > 2444147 and id<>'2444147' order by id asc limit 5