中暑易发生的环境是() ["A．高温","B．高湿度","C．通风不良","D．长时间烈日下劳动","E．长时间从事繁重的体力劳动"] 人体散热的方式有() ["A．对流","B．辐射","C．传导","D．蒸发","E．以上均不正确"] 高热影响人体哪些系统() ["A．水、电解质","B．中枢神经系统","C．心血管系统","D．消化系统","E．泌尿系统"] 人体同时触及带电设备或线路中的两相导体，电流从一相导体进入人体，又从另一相导体流出，此触电属于() ["A．电弧触电","B．双相触电","C．单相触电","D．跨步电压触电","E．三相触电"] 某农民在烈日下割麦子，出现头晕、头痛、皮肤干燥、皮肤灼热无汗、嗜睡或抽搐、昏迷，体温达到41℃，脉搏140次/分以上，血压85/60mmHg，应诊断为() ["A．先兆中暑","B．热射病","C．热痉挛","D．热衰竭","E．轻症中暑"] 属于热痉挛机制的是()