(2016 •国家）关于导体及其导电原理，下列说法错误的是：

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29348' and id < 2389737 and id<>'2389737' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29348' and id > 2389737 and id<>'2389737' order by id asc limit 5