癌和肉瘤最根本的区别是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30913' and id < 2487733 and id<>'2487733' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30913' and id > 2487733 and id<>'2487733' order by id asc limit 5