正常成人心尖搏动位于第5肋间，左锁骨 中线（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25683' and id < 2158818 and id<>'2158818' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25683' and id > 2158818 and id<>'2158818' order by id asc limit 5