女性，32岁。1个月腹胀，腹痛，低热。查 体:腹饱满，全腹轻压痛，移动性浊音 (+)。为明确诊断，应立即做的检查是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31930' and id < 2553307 and id<>'2553307' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31930' and id > 2553307 and id<>'2553307' order by id asc limit 5