题目内容

男性，28岁，十二指肠球部溃疡史5年，突感上腹剧痛5小时，继之全腹痛，大汗淋漓。查体：全腹压痛及反跳痛，似有溃疡穿孔可能。哪项体征最支持溃疡穿孔的诊断

A. 腹肌紧张
B. 腹部叩诊呈鼓音
C. 肝浊音界消失
D. 腹部移动性浊音

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证券发行议案经董事会表决通过后，公告召开股东大会的通知。股东大会通过本次发行议案之日起5个工作日内，上市公司应当公布股东大会决议。（）

A. 对
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