问题
单项选择题 案例分析题
男，32岁，间歇性、节律性上腹痛4年，2小时内排柏油样便3次，来院急诊。
治疗2天后黑便停止，以下哪项检查结果不可能出现（）
A.红细胞比容降低
B.红细胞计数降低
C.网织红细胞增加
D.血pH值升高
E.血尿素氮升高
答案
参考答案：D
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男，32岁，间歇性、节律性上腹痛4年，2小时内排柏油样便3次，来院急诊。
治疗2天后黑便停止，以下哪项检查结果不可能出现（）
A.红细胞比容降低
B.红细胞计数降低
C.网织红细胞增加
D.血pH值升高
E.血尿素氮升高
参考答案：D
Several times on my way to work, I passed a gentleman who I supposed homeless. He had a lot of his possessions 36 down to his bike and held a cardboard sign that said he was a 37 who doesn’t drink or do drugs, but would 38 anything that could be given. He usually has 39 on and is listening to the radio. He is always 40 his own business, often reading 41 . I’ve never seen him 42 “begging”. Several times, while I was 43 him, I realized I had some food with me, so I turned 44 and offered him that food. He took off his headphones, and said, “Umm, blueberry muffins are my 45 !” with a big smile and a gleam in his 46 . He thanked me so 47 . The graciousness(有礼貌) and humbleness（谦逊） of his 48 makes me want to continue to stop by with “ 49 ” of food, money or other gifts. In the past, I’ve met 50 folks who 51 the food I was offering, saying that they wanted only money instead. So this wonderful gentleman being so open to receiving has been a 52 . It also makes me think how 53 I am to receiving in my life --- am I humble and grateful when I am 54 with something? Sometimes yes, sometimes no, but 55 as gracious, humble and sincere as this wonderful man has been in receiving.
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