题目内容
从下蹲位突然站立而发生晕厥的原因是
2021-12-07
A.低垂部位静脉舒张
B.血液发生倒流D.压力感受性反射敏感性降低
C.心率突然减慢
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29019' and id < 2361409 and id<>'2361409' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29019' and id > 2361409 and id<>'2361409' order by id asc limit 5