【简答题】病历摘要男性,35岁,农民。突发剧烈腹痛3小时,急诊入院。3小时前农田劳动中无明显诱因,突感剑突下疼痛,剧烈如刀割样,无放射,很快扩散至全腹,伴恶心、呕吐,呕吐物为胃内容物。无腹泻,无发热。既往史:反复胃部不适5年余,伴反酸、烧灼感,未行规律性治疗。无肝炎、结核、心脑血管疾病史。无腹部手术史。查体:T37.7℃,P100次/分,R23次/分,BP130/80mmHg。一般情况尚可,巩膜无黄染。心肺...
【简答题】TTL电平的标准是什么?232电平的标准是什么?
【单选题】定量分析工作中,对定量测定结果的误差的要求是
【单选题】What is said about the schools funded by the Bill and Melinda Gates Foundation?
A.
They are usually magnet schools.
B.
They are often located in poor neighborhoods.
C.
They are popular with high-achieving students.
D.
They are mostly small in size.
【判断题】( ) β -胡萝卜素在人体内可以转化成部分维生素 E 。
【单选题】在同一平面内的两个力偶只要( ),则这两个力偶就彼此等效。
【简答题】急性肝炎根据发病原因常可以分为( )、( )和其他性。