正常的胎心率为（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30909' and id < 2487273 and id<>'2487273' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30909' and id > 2487273 and id<>'2487273' order by id asc limit 5