下列措施对增大反应速率明显有效的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='22732' and id < 2004462 and id<>'2004462' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='22732' and id > 2004462 and id<>'2004462' order by id asc limit 5