急性糜烂性胃炎的确诊应依据（） A.上消化道出血的临床表现 B._爱下问搜题

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问题单项选择题 A1型题

急性糜烂性胃炎的确诊应依据（）

A.上消化道出血的临床表现

B.胃液分析

C.X线胃肠钡餐检查

D.急诊胃镜检查

E.胃B超

答案

参考答案：D

解析：急性糜烂出血性胃炎确诊有赖急诊胃镜检查。内镜可见以弥漫分布的多发性糜烂、出血灶和浅表溃疡为特征的急性胃黏膜病损，一般应激所致的胃黏膜病损以胃体、胃底为主。内镜检查宜在出血后24～48小时内进行。

完形填空

阅读下面短文，掌握其大意，然后从16~35各题所给的四个选项（A、B、C和D）中，选出最佳选项。
My friends and I had just finished lunch at a hotel when it started to pour heavily. When it became lighter. I decided to 16 the rain to get my car. which was parked at my office three streets away.
My friends 17 that I shouldn't go, 18 I was seven months pregnant (怀孕的) then. I told them that I'd be very 19 . One of them wanted to come with me but I 20 that she should stay with another friend who needed 21 with her baby.
I walked out of the hotel and started making my 22 to the car. At the traffic junction (交叉路口), a car 23 and the passenger got off with an umbrella. 24 I knew what was happening, he walked right beside me and told me he'd accompany me to my 25 . I was very embarrassed and 26 , but he was very persistent (坚持的).
During our walk, he kept telling me to walk 27 , as the ground was wet. When we got to the car park. I thanked him and we 28 . I did not get his name and may not even 29 him now. Did he purposely stop for me? I'll never know.
So how did I pay it 30 ? I was at home when I 31 two Indian construction workers walking in the heavy rain. They were probably on their way to the construction site near my home, which was a long walk. I went out and 32 them an umbrella. The two men were wet through. They were 33 by my gesture, and I told them they should take the umbrella and keep it. They were very 34 and like me, probably wondered why a stranger was 35 such kindness.

A．disappeared

D．destination

A．appreciating

单项选择题

无功功率变送器将被测无功功率转换成按相性比例输出（）。

A.直流电流

B.交流电压

C.电磁电流

D.交流电流