题型:问答题 Cheer up! Everyone may have periods in their lives everything seems tough.A.whichB.whereC.when D.that 查看答案
题型:问答题 患者男性,35岁,上腹部间歇性疼痛二年,近日突然剧烈腹痛,伴恶心呕吐,呕吐较多剧烈,经X线检查提示有膈下游离气体。最可能的诊断是:()A.胃十二指肠溃疡穿孔 B.急性阑尾炎 C.急性肠梗阻 D.急性胆囊炎 E.急性胃炎 查看答案