肝硬化患者消化道出血的最常见原因是（） A.食管静脉曲张 B.胃_爱下问搜题

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问题单项选择题

肝硬化患者消化道出血的最常见原因是（）

A.食管静脉曲张

B.胃底静脉曲张

C.急性胃黏膜病变

D.门脉高压性胃病

E.消化性溃疡

答案

参考答案：A

选择题

It was seven o;clock in the morning ____ he came back.It was really at seven o’clock ___ he came back from work this morning.

A．that; that

B．when;when

C．when; that

D．that;when

判断题

A320飞机上如要呼叫所有服务台，按下ALL ATTND即可。