下列关于神经-肌肉接头传递的叙述中，哪些是正 确的（      ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25933' and id < 2179338 and id<>'2179338' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25933' and id > 2179338 and id<>'2179338' order by id asc limit 5