【单选题】【消耗次数：1】
在烈日下或高温环境中工作容易产生中暑，中暑者先有头痛、眩晕、心悸、恶心等症状，随即出汗停止，（ ），如不及时抢救可致昏迷而死亡。
①
体温下降
②
体温正常
③
身体忽冷忽热
④
体温上升
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相关题目
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体温上升期的热代谢特点是
①
散热减少，产热增加，体温
②
产热减少，散热增加，体温
③
散热减少，产热增加，体温保持高水平
④
产热与散热在较高水平上保持相对平衡，体温保持高水平
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