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【单选题】
患者男,49岁。患十二指肠球部溃疡3年,经内科治疗上腹痛明显缓解。近3个月来出现上腹胀满不适,餐后明显加重,症状常于呕吐酸腐胃内容物后有所减轻。查体:消瘦,眼窝凹陷,皮肤干燥、弹性差，上腹部可见蠕动波,振水音(+)。该患者溃疡病最可能并发A.
幽门水肿
B.
幽门痉挛
C.
溃疡恶变
D.
瘢痕性幽门梗阻
E.
十二指肠淤滞症
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反馈参考答案：
举一反三
【单选题】The author refers to mankind, the best man for the job, and the common man in order to ______.
A.
demonstrate the superiority of males in English-speaking society
B.
provide an example of speech that is slanted towards the advantage of males
C.
list the characteristics of the feminist sociolinguist movement
D.
discount the notion that the English language discriminates against women
【简答题】.什么叫双受精?双受精后的一朵花有哪些变化?
【单选题】Choose the best answer to each of the following questions. The writer had to pound on the taxi in order to ________.
A.
read the letter of the taxi driver
B.
get the attention of the taxi driver
C.
ask the taxi driver to move
【单选题】Which of the following best represents the order from a harsh command to a very polite request？ a.Could you close the door? b.Close the door. c.Please close the door, d.Would you please close the door...
A.
b-c-a-d
B.
d-a-c--b
C.
c-b-a-d
D.
c-b-d-a
【简答题】现代柴油机采用增压技术的根本目的是。
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