下列有关分散系是胶体的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21345' and id < 1850963 and id<>'1850963' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21345' and id > 1850963 and id<>'1850963' order by id asc limit 5