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【单选题】
病人，男性，38岁，脐阵发性剧痛伴恶心、呕吐4小时就诊，既往有胆石症病史。查体：急性痛苦貌，腹平软，脐右上腹部压痛，轻度反跳痛，肠鸣音12次／分，可闻及气过水声。该病人需要首选下列哪项检查以明确诊断
A.
迅速建立静脉通道，尽快补液
B.
禁食、胃肠减压
C.
给予抗生素
D.
严密观察病情
E.
镇痛治疗
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A.
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consisted of; makes up of
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【单选题】While playing chess, the two players usually sit ______ each other.
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opposite
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正确
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A.
composed of; makes up
B.
consisted of; makes up of
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made up; consists of
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made up of; consists of
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查看完整题目与答案
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beside
B.
opposite
C.
against
D.
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查看完整题目与答案