男性，20岁。2个月来中上腹疼痛，痛向背部放射，有夜间痛，以往_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

男性，20岁。2个月来中上腹疼痛，痛向背部放射，有夜间痛，以往亦有类似的发作，曾先后有3次黑粪。

为进一步明确诊断，下列哪项检查为首选

A．胃镜检查

B．粪隐血试验

C．胃液分析

D．X线钡餐检查

E．血清促胃液素测定

答案

参考答案：A

补全对话，情景问答

选择合适的句子完成对话。（多一项）

A. How long did the fire last?
B. When did the fire happen?
C. Luckily, no one was in the building.
D. How did the fire happen?
E. How was the fire put out?
F. Did the fire last long?

Amy : Have you heard about the fire ?
Sandy: 1._____?
Amy: It was about ten o’clock in the evening.
Sandy: 2._____?
Amy: There was a heavy storm with thunder and lighting.
Sandy: Was anyone hurt?
Amy: 3._____.
Sandy: 4._____?
Amy: Someone called the police and the firemen put it out at last.
Sandy: 5._____?
Amy: The firemen put out the fire soon. It didn’t last long.

单项选择题

血清甘油三酯的平均生物学变异为（）。

A.6.1％～11％

B.23％～40％

C.7％～12％

D.9.5％

E.7％～8％