“一方水土养一方人”这一谚语从生物学的角度说明了（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31891' and id < 2549480 and id<>'2549480' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31891' and id > 2549480 and id<>'2549480' order by id asc limit 5