正常成人心尖搏_位于下列部位的左锁骨中线内0.5〜1.0cm处（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25689' and id < 2159320 and id<>'2159320' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25689' and id > 2159320 and id<>'2159320' order by id asc limit 5