问题
单项选择题
慢性胃溃疡病最常见的并发症是（）
A.幽门狭窄
B.出血
C.穿孔
D.癌变
E.粘连
答案
参考答案：B
解析：胃溃疡病的并发症按发病率由高到低的顺序是：①出血：溃疡底部血管破裂可引起呕血和黑便；②穿孔：引起急性弥漫性腹膜炎；③幽门狭窄：瘢痕收缩引起幽门狭窄，患者出现呕吐；④癌变。
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慢性胃溃疡病最常见的并发症是（）
A.幽门狭窄
B.出血
C.穿孔
D.癌变
E.粘连
参考答案：B
解析：胃溃疡病的并发症按发病率由高到低的顺序是：①出血：溃疡底部血管破裂可引起呕血和黑便；②穿孔：引起急性弥漫性腹膜炎；③幽门狭窄：瘢痕收缩引起幽门狭窄，患者出现呕吐；④癌变。
You Are Going Places I work at a local restaurant in town as cashier, seater and waiter. I went to work feeling 小题1: . And to make things worse, I was busy that evening. It’s the same thing over and over again. 小题2: with customers who complain about their food and where they are 小题3: is too big or too small. Little things like that tend to 小题4: a lot of us 小题5: but we manage to deal with it. Three elderly ladies walked in and sat by the windows. It happened to be the very 小题6: near where I keep the dirty 小题7: in the boxes. Trying to keep up with all the dirty tables, customers leaving and coming in and 小题8: running all over the house, it was crazy. 小题9: these elderly women were watching 小题10: I was working to make sure every table was clean and ready for the next customers. When they 小题11: their meals, I took their plates back to the kitchen. They talked to me for a while about school, how I was doing, what 小题12: I was in and what I planned to do in the future. 小题13: they were leaving, they walked past me and one of them said to me in a 小题14: and gentle voice, “You are going places. And that was it.” They left the 小题15: and I had tears in my eyes, because they gave me 小题16: to believe in myself. They 小题17: my spirit from being down and gave me a 小题18: to keep on working hard. People used to tell me that I couldn’t have a career in 小题19: until I had a degree. I’m now a co-anchor(联合支持人)of a student-produced television 小题20: . And the best thing is: I’m only 17 years old and I am a senior in high school.
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