汤逊理论没有考虑正离子的作用。（   ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68449' and id < 4418983 and id<>'4418983' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68449' and id > 4418983 and id<>'4418983' order by id asc limit 5