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【单选题】
患者男，45岁。炎热夏天，在外高空作业3小时，出现剧烈头痛、头晕、眼花、烦躁不安。该患者可能出现了A.
先兆中暑
B.
热衰竭
C.
热痉挛
D.
日射病
E.
热射病
拍照语音搜题，微信中搜索"皮皮学"使用
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D.
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A.
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B.
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C.
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D.
化学反应达到平衡时,正反应和逆反应速率相等,是对反应中不同物质而言
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