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【单选题】
患者，男性，28岁，腹泻、脓血便4，4～5次／d，伴下腹阵痛，便后缓解。 最有可能考虑的疾病是A.
克罗恩病
B.
肠综合征
C.
直肠肛管周围脓肿
D.
肠结核
E.
溃疡性结肠炎
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反馈参考答案：
举一反三
【简答题】开口于中鼻道的鼻旁窦
【多选题】The hypotheses of Macroeconomics are:
A.
Market mechanisms are perfect
B.
Market mechanisms are imperfect
C.
The government has the ability and authority to regulate the economy
D.
The government do not regulate the economy, let it free
【简答题】开口于中鼻道的鼻旁窦
【单选题】Scientists' hypotheses are guesses which are already supported by a certain amount of evidence, derived from actual observation and experiment.
A.
theoretical
B.
psychological
C.
empirical
D.
emotional
参考解析：
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