6个月男孩，发热腹泻3天就诊。体温38-400C,大便10-15次/天，为黄色稀水样便，量中等，有时呕吐。査体：患儿较烦躁，哭无泪，尿量很少。下面哪组检查最合理和急需

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28255' and id < 2313604 and id<>'2313604' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28255' and id > 2313604 and id<>'2313604' order by id asc limit 5