科隆主教堂,这座建筑的建造时间长达六个世纪,它是德国中世纪()式建筑艺术的典范。
参考答案:哥特
Declaration documents, import and export documents, contracts and other data directly related to import and export transactions shall be retained for ______ effective from the date of release of import and export goods.
A. one year B. two years C. three years D. four years
男性,65岁,有高血压病史20余年,平时不间断服用降压药物,1小时前突然出现明显头痛,烦躁,心悸,多汗,恶心,呕吐,视物模糊,面色潮红,BP260/130mmHg,治疗首先考虑选用()
A.利尿剂口服
B.限制钠摄入
C.硝普钠静脉滴注
D.β受体阻滞剂
E.复方降压片