题目内容
主动脉瓣关闭开始于( )
2021-10-17
A.快速射血期开始时
B.快速充盈期开始时
C.等容舒张期开始时
D.以等容收缩期开始时
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SQL Error: select id,body,options from ***_enewstiku where sourceid='25935' and id < 2179400 and id<>'2179400' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25935' and id > 2179400 and id<>'2179400' order by id asc limit 5