题目内容：
诊断过敏性紫癜最主要的临床表现是
A．肾脏损害 B．血管神经性水肿
C．双下肢对称的紫癜样皮疹
D．胃肠道症状
E．关节症状
参考答案：
答案解析：
单选题：诊断过敏性紫癜最主要的临床表现是
- 题目分类：临床执业医师
- 题目类型：单选题
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B．血管神经性水肿
C．双下肢对称的紫癜样皮疹
D．胃肠道症状
E．关节症状
B．血管神经性水肿
C．双下肢对称的紫癜样皮疹
D．胃肠道症状
E．关节症状
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一、背景 某机电工程公司承包了一项油库工程，该工程主要包括4台5000m3拱顶油罐及其配套系统和设施。工程公司施工项目部对5000m3拱顶油罐施工方法进行了策
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