患者女，59岁，反复上腹部疼痛1个月，复发伴晕厥5h。因关节炎长期间断服用止痛药。
出现这些症状的原因最可能是（）。（提示：胃镜检查结果：急性糜烂出血性胃炎。腹部X线平片未见异常。经抑制胃酸分泌、保护胃黏膜、输血等处理，血压渐趋稳定。但入院第3天突然发生全腹剧烈疼痛，以左下腹为甚，便血次数增加，由黑粪发展为暗红色黏液血便。）
A.治疗措施不当，病情加重
B.肠道积血排出
C.继发弥散性血管内凝血
D.继发细菌性痢疾
E.继发缺血性结肠炎
F.继发溃疡性结肠炎
参考答案：E
根据短文内容，从各题所给的A、B、C、D四个选项中选出最佳选项。 “Never give up!” It is my law(法则) of life. It has brought me ____. I learned the law from my father's ____ story. My father was ____ in a poor village in the north of Jiangsu，in China. When he was a young boy，he went to school in the morning，then ___ in the fields till sunset. And then he did his homework ____ midnight. Life was hard，because they had no ___！ At the age of 14，my father heard of the United States of America. It was the land of gold，the land where ____ people can become rich. “____ don't I go to America？” he thought to himself，full of hope. So，my father came to America. “I had thought it was easy to ____ money in America，” he told me. “But when I arrived there，I realized it was not true. They did not like to hire(雇佣) me because I spoke ____ English. Later，I worked in a small restaurant，cleaning up tables，____dishes and sweeping the floor. Life was ____ for the first few years. I worked from 10 a. m. to 11 p. m. I wanted to go to school to learn English，but it was impossible. I couldn't ____ the schooling(学费). ” My father ____ working hard，and reached his goal. “Alan，” he often says to me. “If you want something，you have to work for it and never give up. Things do not come ____ in life. ” That is what I learned from my father.
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